diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc479b0..b464331 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,8 +21,9 @@ add_executable(Sim_C__
         src/services/Cost/TaxComponent.cpp
         src/services/Cost/TaxComponent.h
         src/helper/Curry.h
-        src/enums/Aut.h
         src/config.h
+        src/services/Cost/NetworkProvider.cpp
+        src/services/Cost/NetworkProvider.h
 )
 find_package(doctest CONFIG REQUIRED)
 find_package(spdlog CONFIG REQUIRED)
diff --git a/src/Config.h b/src/Config.h
index f2b3373..4314334 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -8,9 +8,10 @@
     #define LOG_DEBUG_INFO(...)
     #define LOG_DEBUG_ERROR(...)
 #else
-    #define LOG_DEBUG_INFO(...) spdlog::info(__VA_ARGS__)
-    #define LOG_DEBUG_ERROR(...) spdlog::error(__VA_ARGS__)
+#define LOG_DEBUG_INFO(...) spdlog::info(__VA_ARGS__)
+#define LOG_DEBUG_ERROR(...) spdlog::error(__VA_ARGS__)
 #endif
-#define VALUE_COUNT (4*24*365)
+#define VALUE_COUNT ((size_t)(4 * 24 * 365))
+#define MAX_CONDITIONS 2560
 
 #endif //CONFIG_H
diff --git a/src/enums/Aut.h b/src/enums/Aut.h
deleted file mode 100644
index aad13c1..0000000
--- a/src/enums/Aut.h
+++ /dev/null
@@ -1,28 +0,0 @@
-//
-// Created by StanislausCichocki on 11.03.2025.
-//
-
-#ifndef AUT_H
-#define AUT_H
-
-    namespace Enums::AUT {
-        enum GridLevel {
-            GridLevel1,
-            GridLevel2,
-            GridLevel3,
-            GridLevel4,
-            GridLevel5,
-            GridLevel6,
-            GridLevel7WithP,
-            GridLevel7WithoutP,
-            GridLevel7Interruptable,
-        };
-        enum EegType {
-            GEA,
-            LocalEeg,
-            RegionalEeg,
-            BEG
-        };
-    }
-
-#endif //AUT_H
diff --git a/src/helper/Curry.h b/src/helper/Curry.h
index e55913a..5e55f0d 100644
--- a/src/helper/Curry.h
+++ b/src/helper/Curry.h
@@ -5,11 +5,9 @@
 #ifndef CURRY_H
 #define CURRY_H
 
-template <typename Func1, typename Func2>
-auto curry(Func1 f1, Func2 f2)
-{
-    return [=](auto... args)
-    {
+template<typename Func1, typename Func2>
+auto curry(Func1 f1, Func2 f2) {
+    return [=](auto... args) {
         auto result1 = f1(args...);
         return f2(result1);
     };
diff --git a/src/interfaces/ICostComponent.h b/src/interfaces/ICostComponent.h
index 4c91b51..d07dfa3 100644
--- a/src/interfaces/ICostComponent.h
+++ b/src/interfaces/ICostComponent.h
@@ -1,15 +1,21 @@
-//
-// Created by stani on 3/10/2025.
-//
-
 #ifndef ICOSTCOMPONENT_H
 #define ICOSTCOMPONENT_H
-#include "../model/Community.h"
 
-class ICostComponent
-{
+#include <bitset>
+#include "../model/Community.h"
+#include "../Config.h"
+
+class ICostComponent {
 public:
+    std::bitset<MAX_CONDITIONS> applicableConditions;
+
+    template<typename... Conditions>
+    ICostComponent(Conditions... conditions) {
+    }
+
     virtual ~ICostComponent() = default;
-    virtual double apply(std::vector<std::unique_ptr<Community>>& communities) const = 0;
+
+    virtual void apply(std::unique_ptr<Building::Base> &building, std::unique_ptr<Community> &community) = 0;
 };
+
 #endif //ICOSTCOMPONENT_H
diff --git a/src/model/Building.cpp b/src/model/Building.cpp
index d722db2..da330ba 100644
--- a/src/model/Building.cpp
+++ b/src/model/Building.cpp
@@ -4,29 +4,141 @@
 
 #include "Building.h"
 
-float Building::Cost::special_rate_consumption() const {
+float Building::Metadata::special_rate_consumption() const {
     return SpecialRateConsumption;
 }
 
-void Building::Cost::set_special_rate_consumption(float special_rate_consumption) {
+void Building::Metadata::set_special_rate_consumption(float special_rate_consumption) {
     SpecialRateConsumption = special_rate_consumption;
 }
 
-float Building::Cost::special_rate_generation() const {
+float Building::Metadata::special_rate_generation() const {
     return SpecialRateGeneration;
 }
 
-void Building::Cost::set_special_rate_generation(float special_rate_generation) {
+void Building::Metadata::set_special_rate_generation(float special_rate_generation) {
     SpecialRateGeneration = special_rate_generation;
 }
 
-std::vector<float> &Building::Simulation_Values::community_coverage() {
-    return CommunityCoverage;
+std::vector<float> &Building::Simulation_Values::generation_after_community() {
+    return GenerationAfterCommunity;
+}
+
+void Building::Simulation_Values::generation_after_community(const std::vector<float> &generation_after_community) {
+    GenerationAfterCommunity = generation_after_community;
+}
+
+std::vector<float> &Building::Simulation_Values::consumption_after_community() {
+    return ConsumptionAfterCommunity;
+}
+
+void Building::Simulation_Values::consumption_after_community(const std::vector<float> &consumption_after_community) {
+    ConsumptionAfterCommunity = consumption_after_community;
+}
+
+std::vector<float> &Building::Simulation_Values::generation_to_community() {
+    return GenerationToCommunity;
+}
+
+void Building::Simulation_Values::generation_to_community(const std::vector<float> &generation_to_community) {
+    GenerationToCommunity = generation_to_community;
+}
+
+std::vector<float> &Building::Simulation_Values::consumption_from_community() {
+    return ConsumptionFromCommunity;
+}
+
+void Building::Simulation_Values::consumption_from_community(const std::vector<float> &consumption_from_community) {
+    ConsumptionFromCommunity = consumption_from_community;
+}
+
+float Building::Simulation_Values::con_from_community_relative() const {
+    return this->ConsumptionFromCommunityRelative;
+}
+
+void Building::Simulation_Values::set_con_from_community_relative(const float x) {
+    this->ConsumptionFromCommunityRelative = x;
+}
+
+float Building::Simulation_Values::gen_to_community_relative() const {
+    return this->GenerationToCommunityRelative;
+}
+
+void Building::Simulation_Values::set_gen_to_community_relative(float x) {
+    this->GenerationToCommunityRelative = x;
+}
+
+float Building::Simulation_Values::consumption_after_own_coverage_sum() const {
+    return ConsumptionAfterCommunitySum;
+}
+
+void Building::Simulation_Values::set_consumption_after_own_coverage_sum(const float value) {
+    ConsumptionFromCommunityRelative = value;
+}
+
+float Building::Simulation_Values::own_usage_sum() const {
+    return OwnUsageSum;
+}
+
+void Building::Simulation_Values::set_ownUsageSum(const float value) {
+    OwnUsageSum = value;
+}
+
+float Building::Simulation_Values::needed_con_sum() const {
+    return NeededConSum;
+}
+
+void Building::Simulation_Values::set_neededConSum(const float value) {
+    NeededConSum = value;
+}
+
+float Building::Simulation_Values::needed_gen_sum() const {
+    return NeededGenSum;
+}
+
+void Building::Simulation_Values::set_neededGenSum(const float value) {
+    NeededGenSum = value;
+}
+
+float Building::Simulation_Values::consumption_after_community_sum() const {
+    return ConsumptionAfterCommunitySum;
+}
+
+void Building::Simulation_Values::set_consumption_after_community_sum(const float value) {
+    ConsumptionAfterCommunitySum = value;
+}
+
+float Building::Simulation_Values::generation_after_community_sum() const {
+    return GenerationAfterCommunitySum;
+}
+
+void Building::Simulation_Values::set_generation_after_community_sum(const float value) {
+    GenerationAfterCommunitySum = value;
+}
+
+float Building::Simulation_Values::consumption_from_community_sum() const {
+    return ConsumptionFromCommunitySum;
+}
+
+void Building::Simulation_Values::set_consumption_from_community_sum(const float value) {
+    ConsumptionFromCommunitySum = value;
+}
+
+float Building::Simulation_Values::generation_to_community_sum() const {
+    return GenerationToCommunitySum;
+}
+
+void Building::Simulation_Values::set_generation_to_community_sum(const float values) {
+    GenerationToCommunitySum = values;
+}
+
+std::vector<float> &Building::Simulation_Values::consumption_after_own_coverage() {
+    return ConsumptionAfterOwnCoverage;
 }
 
 void Building::Simulation_Values::
 set_community_coverage(std::vector<float> community_coverage) {
-    CommunityCoverage = std::move(community_coverage);
+    ConsumptionAfterOwnCoverage = std::move(community_coverage);
 }
 
 std::vector<float> &Building::Simulation_Values::own_usage() {
@@ -38,11 +150,11 @@ void Building::Simulation_Values::set_own_usage(std::vector<float> own_usage) {
 }
 
 std::vector<float> &Building::Simulation_Values::needed_con() {
-    return Needed_con;
+    return NeededCon;
 }
 
 void Building::Simulation_Values::set_needed_con(std::vector<float> needed_con) {
-    Needed_con = std::move(needed_con);
+    NeededCon = std::move(needed_con);
 }
 
 std::vector<float> &Building::Simulation_Values::needed_gen() {
@@ -68,6 +180,7 @@ float Building::Simulation_Values::relativeSelfGeneration() const {
 void Building::Simulation_Values::set_relativeSelfGeneration(float const relativeSelfGeneration) {
     this->RelativeGeneration = relativeSelfGeneration;
 }
+
 std::string Building::Metadata::name() const {
     return Name;
 }
diff --git a/src/model/Building.h b/src/model/Building.h
index 0ff4cd1..0de36cc 100644
--- a/src/model/Building.h
+++ b/src/model/Building.h
@@ -4,41 +4,70 @@
 
 #ifndef BUILDING_H
 #define BUILDING_H
-#include <functional>
 #include <memory>
 #include <vector>
 
 #include "Model.h"
+#include "../Config.h"
 
 
 namespace Building {
-    class Cost {
+    class CostValues {
     private:
-        float SpecialRateConsumption;
-        float SpecialRateGeneration;
+        float Consumption{0.0f};
+        float Generation{0.0f};
+        float ConsumptionWithCommunity{0.0f};
+        float GenerationWithCommunity{0.0f};
 
     public:
-        float special_rate_consumption() const;
+        float consumption() { return Consumption; }
+        void set_consumption(const float consumption) { Consumption = consumption; }
+        float generation() { return Generation; }
+        void set_generation(const float generation) { Generation = generation; }
+        float consumption_with_community() { return ConsumptionWithCommunity; }
+        void set_consumption_with_community(const float consumption) { ConsumptionWithCommunity = consumption; }
+        float generation_with_community() { return Generation; }
+        void set_generation_with_community(const float generation) { GenerationWithCommunity = generation; }
+    };
 
-        void set_special_rate_consumption(float special_rate_consumption);
-
-        float special_rate_generation() const;
-
-        void set_special_rate_generation(float special_rate_generation);
+    class Cost {
+    private:
+        std::shared_ptr<CostValues> CostValuesWith{};
+        std::shared_ptr<CostValues> CostValuesWithOut{};
 
+    public:
+        std::shared_ptr<CostValues> &get_cost_values_with() { return CostValuesWith; }
+        std::shared_ptr<CostValues> &get_cost_values_without() { return CostValuesWithOut; }
     };
 
     class Simulation_Values {
     private:
-        std::vector<float> CommunityCoverage;
-        std::vector<float> OwnUsage;
-        std::vector<float> Needed_con;
-        std::vector<float> NeededGen;
+        std::vector<float> ConsumptionAfterOwnCoverage = std::vector(VALUE_COUNT, 0.0f);
+        std::vector<float> OwnUsage = std::vector(VALUE_COUNT, 0.0f);
+        std::vector<float> NeededCon = std::vector(VALUE_COUNT, 0.0f);
+        std::vector<float> NeededGen = std::vector(VALUE_COUNT, 0.0f);
         float RelativeSelfConsumption{0.0f};
         float RelativeGeneration{0.0f};
+        std::vector<float> ConsumptionAfterCommunity = std::vector(VALUE_COUNT, 0.0f);
+        std::vector<float> GenerationAfterCommunity = std::vector(VALUE_COUNT, 0.0f);
+        std::vector<float> ConsumptionFromCommunity = std::vector(VALUE_COUNT, 0.0f);
+        std::vector<float> GenerationToCommunity = std::vector(VALUE_COUNT, 0.0f);
+        float ConsumptionFromCommunityRelative{0.0f};
+        float GenerationToCommunityRelative{0.0f};
+
+        float ConsumptionAfterOwnCoverageSum{0.0f};
+        float OwnUsageSum{0.0f};
+        float NeededConSum{0.0f};
+        float NeededGenSum{0.0f};
+        float ConsumptionAfterCommunitySum{0.0f};
+        float GenerationAfterCommunitySum{0.0f};
+        float ConsumptionFromCommunitySum{0.0f};
+        float GenerationToCommunitySum{0.0f};
 
     public:
-        std::vector<float> &community_coverage();
+        Simulation_Values() = default;
+
+        std::vector<float> &consumption_after_own_coverage();
 
         void set_community_coverage(std::vector<float> community_coverage);
 
@@ -55,24 +84,72 @@ namespace Building {
         void set_needed_gen(std::vector<float> needed_gen);
 
         float relativeSelfConsumption() const;
+
         void set_relativeSelfConsumption(float relativeSelfConsumption);
+
         float relativeSelfGeneration() const;
+
         void set_relativeSelfGeneration(float relativeSelfGeneration);
+
+        std::vector<float> &generation_after_community();
+
+        void generation_after_community(const std::vector<float> &generation_after_community);
+
+        std::vector<float> &consumption_after_community();
+
+        void consumption_after_community(const std::vector<float> &consumption_after_community);
+
+        std::vector<float> &generation_to_community();
+
+        void generation_to_community(const std::vector<float> &generation_to_community);
+
+        std::vector<float> &consumption_from_community();
+
+        void consumption_from_community(const std::vector<float> &consumption_from_community);
+
+        float con_from_community_relative() const;
+
+        void set_con_from_community_relative(float x);
+
+        float gen_to_community_relative() const;
+
+        void set_gen_to_community_relative(float x);
+
+        float consumption_after_own_coverage_sum() const;
+        void set_consumption_after_own_coverage_sum(float value);
+        float own_usage_sum() const;
+        void set_ownUsageSum(float value);
+        float needed_con_sum() const;
+        void set_neededConSum(float value);
+        float needed_gen_sum() const;
+        void set_neededGenSum(float value);
+        float consumption_after_community_sum() const;
+        void set_consumption_after_community_sum(float value);
+        float generation_after_community_sum() const;
+        void set_generation_after_community_sum(float value);
+        float consumption_from_community_sum() const;
+        void set_consumption_from_community_sum(float value);
+        float generation_to_community_sum() const;
+        void set_generation_to_community_sum(float values);
     };
 
     class Metadata {
     private:
-        std::string Name;
-        float AnnualConsumption;
-        float AnnualGeneration;
-        std::vector<float> ConsumptionProfile;
-        std::vector<float> GenerationProfile;
-        std::string ConsumptionProfileName;
-        std::string GenerationProfileName;
-        short ConnectionPower;
-        short GridPower;
+        std::string Name{};
+        float AnnualConsumption{0.0f};
+        float AnnualGeneration{0.0f};
+        std::vector<float> ConsumptionProfile = std::vector(VALUE_COUNT, 0.0f);
+        std::vector<float> GenerationProfile = std::vector(VALUE_COUNT, 0.0f);
+        std::string ConsumptionProfileName{};
+        std::string GenerationProfileName{};
+        short ConnectionPower{0};
+        short GridPower{0};
+        float SpecialRateConsumption{0.0f};
+        float SpecialRateGeneration{0.0f};
 
     public:
+        Metadata() = default;
+
         std::string name() const;
 
         void set_name(const std::string &name);
@@ -108,13 +185,21 @@ namespace Building {
         short grid_power() const;
 
         void set_grid_power(short grid_power);
+
+        float special_rate_consumption() const;
+
+        void set_special_rate_consumption(float special_rate_consumption);
+
+        float special_rate_generation() const;
+
+        void set_special_rate_generation(float special_rate_generation);
     };
 
     class Base : public Model<Base> {
     private:
-        std::unique_ptr<Cost> Cost;
-        std::unique_ptr<Simulation_Values> Values;
-        std::unique_ptr<Metadata> Metadata;
+        std::unique_ptr<Cost> Cost{};
+        std::unique_ptr<Simulation_Values> Values{};
+        std::unique_ptr<Metadata> Metadata{};
 
     public:
         std::unique_ptr<Building::Cost> &cost();
diff --git a/src/model/Community.cpp b/src/model/Community.cpp
index dd34f1f..3f5cdc4 100644
--- a/src/model/Community.cpp
+++ b/src/model/Community.cpp
@@ -1,6 +1,5 @@
 #include "Community.h"
 
-#include "../helper/Curry.h"
 
 std::string Community::name() const {
     return Name;
@@ -27,43 +26,44 @@ void Community::set_energy_tariff(const Energy_Tariff &energy_tariff) {
     energy_Tariff = energy_tariff;
 }
 
-std::vector<float> Community::GenerationAvailable() const {
-    return generationAvailable;
+std::vector<float> &Community::generation_available() {
+    return GenerationAvailable;
 }
 
 void Community::set_generation_available(std::vector<float> &generationAvailable) {
-    this->generationAvailable = generationAvailable;
+    this->GenerationAvailable = generationAvailable;
 }
 
-std::vector<float> Community::ConsumptionAvailable() const {
-    return consumptionAvailable;
+std::vector<float> &Community::consumption_available() {
+    return ConsumptionAvailable;
 }
 
 void Community::set_consumption_available(std::vector<float> &consumptionAvailable) {
-    this->consumptionAvailable = consumptionAvailable;
+    this->ConsumptionAvailable = consumptionAvailable;
 }
 
-std::vector<bool> Community::IsGenBiggerThanCon() const {
-    return isGenBiggerThanCon;
+std::vector<bool> &Community::is_gen_bigger_than_con() {
+    return IsGenBiggerThanCon;
 }
 
 void Community::set_is_gen_bigger_than_con(std::vector<bool> &isGenBiggerThanCon) {
-    this->isGenBiggerThanCon=isGenBiggerThanCon;
+    this->IsGenBiggerThanCon = isGenBiggerThanCon;
 }
 
 auto Community::iterateBuildings(
     std::vector<std::unique_ptr<Community> > &Communities)
-    -> std::function<std::function<void(const std::function<void(
-        Community &, Building::Base &)> &)>(const std::function<void(Community &)> &)> {
+    -> std::function<std::function<void(const std::function<void(Community &, Building::Base &)> &)>(
+        const std::function<void(Community &)> &)> {
     return [&](const std::function<void(Community &)> &func1) {
         return [&, func1](const std::function<void(Community &, Building::Base &)> &func2) {
-            iterateVector(Communities, func1);
-
-            iterateVector(Communities, [&](Community &community) {
-                for (auto &building: community.buildings()) {
-                    func2(community, *building);
+            for (auto &community: Communities) {
+                func1(*community);
+                for (auto &building: community->buildings()) {
+                    func2(*community, *building);
                 }
-            });
+            }
         };
     };
 }
+
+
diff --git a/src/model/Community.h b/src/model/Community.h
index 3b19250..7ac55e7 100644
--- a/src/model/Community.h
+++ b/src/model/Community.h
@@ -4,6 +4,7 @@
 
 #ifndef COMMUNITY_H
 #define COMMUNITY_H
+#include <bitset>
 #include <memory>
 #include <vector>
 
@@ -14,7 +15,6 @@
 
 class Community : public Model<Community> {
 public:
-    Community():generationAvailable(VALUE_COUNT, 0.0f),consumptionAvailable(VALUE_COUNT,0.0f){};
     std::string name() const;
 
     void set_name(const std::string &name);
@@ -27,29 +27,32 @@ public:
 
     void set_energy_tariff(const Energy_Tariff &energy_tariff);
 
-    std::vector<float> GenerationAvailable() const;
+    std::vector<float> &generation_available();
 
     void set_generation_available(std::vector<float> &generationAvailable);
 
-    std::vector<float> ConsumptionAvailable() const;
+    std::vector<float> &consumption_available();
 
     void set_consumption_available(std::vector<float> &consumptionAvailable);
 
-    std::vector<bool> IsGenBiggerThanCon() const;
+    std::vector<bool> &is_gen_bigger_than_con();
 
     void set_is_gen_bigger_than_con(std::vector<bool> &isGenBiggerThanCon);
 
+    std::bitset<MAX_CONDITIONS> getConditionsBitmask() const;
+
     static std::function<std::function<void(const std::function<void(Community &, Building::Base &)> &)>(const std::
-    function<void(
-    Community &)> &)>
+        function<void(
+            Community &)> &)>
     iterateBuildings(std::vector<std::unique_ptr<Community> > &Communities);
 
 private:
     std::string Name;
     std::vector<std::unique_ptr<Building::Base> > Buildings;
-    std::vector<float> generationAvailable;
-    std::vector<float> consumptionAvailable;
-    std::vector<bool> isGenBiggerThanCon;
+    std::vector<float> GenerationAvailable = std::vector(VALUE_COUNT, 0.0f);
+    std::vector<float> ConsumptionAvailable = std::vector(VALUE_COUNT, 0.0f);
+    std::vector<bool> IsGenBiggerThanCon = std::vector(VALUE_COUNT, false);
+
 
     Energy_Tariff energy_Tariff;
 };
diff --git a/src/model/Energy_Tariff.h b/src/model/Energy_Tariff.h
index 59cfeb4..7a77ea4 100644
--- a/src/model/Energy_Tariff.h
+++ b/src/model/Energy_Tariff.h
@@ -7,6 +7,9 @@
 
 
 class Energy_Tariff {
+public:
+    float consumption_tariff{0.0f};
+    float generation_tariff{0.0f};
 };
 
 
diff --git a/src/model/Model.h b/src/model/Model.h
index 8687f54..79f4a0f 100644
--- a/src/model/Model.h
+++ b/src/model/Model.h
@@ -5,15 +5,12 @@
 #include <memory>
 #include <vector>
 
-template <class T>
-class Model
-{
+template<class T>
+class Model {
 public:
-    static void iterateVector(std::vector<std::unique_ptr<T>>& vector,
-                              const std::function<void(T&)>& function)
-    {
-        for (auto& item : vector)
-        {
+    static void iterateVector(std::vector<std::unique_ptr<T> > &vector,
+                              const std::function<void(T &)> &function) {
+        for (auto &item: vector) {
             function(*item);
         }
     }
diff --git a/src/services/Cost/CostPipeline.cpp b/src/services/Cost/CostPipeline.cpp
index 97b1b0f..e27192d 100644
--- a/src/services/Cost/CostPipeline.cpp
+++ b/src/services/Cost/CostPipeline.cpp
@@ -4,15 +4,25 @@
 
 #include "CostPipeline.h"
 
-void CostPipeline::addCostComponent(const std::shared_ptr<ICostComponent>& components)
-{
+
+void CostPipeline::addCostComponent(const std::shared_ptr<ICostComponent> &components) {
     this->components.push_back(components);
 }
 
-void CostPipeline::calculateFinalCost()
-{
-    for (auto& component : this->components)
-    {
-        component->apply(this->communities);
+void CostPipeline::calculateFinalCost() {
+    for (auto &component: this->components) {
+        iterateCommunity(component);
+    }
+}
+
+void CostPipeline::iterateCommunity(std::shared_ptr<ICostComponent> &component) const {
+    for (auto &community: this->communities) {
+        iterateBuilding(community, component);
+    }
+}
+
+void CostPipeline::iterateBuilding(std::unique_ptr<Community> &community, std::shared_ptr<ICostComponent> &component) {
+    for (auto &building: community->buildings()) {
+        component->apply(building, community);
     }
 }
diff --git a/src/services/Cost/CostPipeline.h b/src/services/Cost/CostPipeline.h
index 77a0f5d..70f41b3 100644
--- a/src/services/Cost/CostPipeline.h
+++ b/src/services/Cost/CostPipeline.h
@@ -6,21 +6,27 @@
 #define COSTPIPELINE_H
 #include <memory>
 #include <vector>
+
+#include "NetworkProvider.h"
 #include "../../interfaces/ICostComponent.h"
 #include "../../model/Community.h"
 
-class CostPipeline
-{
-    std::vector<std::unique_ptr<Community>>& communities;
-    std::vector<std::shared_ptr<ICostComponent>> components;
+class CostPipeline {
+    std::vector<std::unique_ptr<Community> > &communities;
+    std::vector<std::shared_ptr<ICostComponent> > components;
 
 public:
-    CostPipeline(std::vector<std::unique_ptr<Community>>& communities) : communities(communities)
-    {
+    CostPipeline(std::vector<std::unique_ptr<Community> > &communities) : communities(communities) {
     }
 
-    void addCostComponent(const std::shared_ptr<ICostComponent>& components);
+    void addCostComponent(const std::shared_ptr<ICostComponent> &components);
+
     void calculateFinalCost();
+
+    void iterateCommunity(std::shared_ptr<ICostComponent> &component) const;
+
+
+    static void iterateBuilding(std::unique_ptr<Community> &community, std::shared_ptr<ICostComponent> &component);
 };
 
 
diff --git a/src/services/Cost/NetworkProvider.cpp b/src/services/Cost/NetworkProvider.cpp
new file mode 100644
index 0000000..547bcc9
--- /dev/null
+++ b/src/services/Cost/NetworkProvider.cpp
@@ -0,0 +1,18 @@
+//
+// Created by StanislausCichocki on 12.03.2025.
+//
+
+#include "NetworkProvider.h"
+
+
+void NetworkProvider::apply(std::unique_ptr<Building::Base> &building, std::unique_ptr<Community> &community) {
+   std::shared_ptr<Building::CostValues> &valuesWith = building->cost()->get_cost_values_with();
+   std::shared_ptr<Building::CostValues> &valuesWithout = building->cost()->get_cost_values_without();
+
+   //Todo tariffs
+   valuesWithout->set_consumption(building->values()->needed_con_sum()*building->metadata()->special_rate_consumption());
+   valuesWithout->set_generation(building->values()->needed_gen_sum()*-building->metadata()->special_rate_generation());
+
+   valuesWithout->set_consumption(building->values()->generation_to_community_sum()*-community->energy_tariff().consumption_tariff);
+   valuesWithout->set_generation(building->values()->consumption_from_community_sum()*-community->energy_tariff().generation_tariff);
+}
diff --git a/src/services/Cost/NetworkProvider.h b/src/services/Cost/NetworkProvider.h
new file mode 100644
index 0000000..c52ef07
--- /dev/null
+++ b/src/services/Cost/NetworkProvider.h
@@ -0,0 +1,19 @@
+//
+// Created by StanislausCichocki on 12.03.2025.
+//
+
+#ifndef NETWORKPROVIDER_H
+#define NETWORKPROVIDER_H
+#include "../../interfaces/ICostComponent.h"
+
+
+class NetworkProvider : public ICostComponent {
+public:
+    NetworkProvider(): ICostComponent() {
+    }
+
+    void apply(std::unique_ptr<Building::Base> &building, std::unique_ptr<Community> &community) override;
+};
+
+
+#endif //NETWORKPROVIDER_H
diff --git a/src/services/Cost/TaxComponent.cpp b/src/services/Cost/TaxComponent.cpp
index 46b9c3f..9330644 100644
--- a/src/services/Cost/TaxComponent.cpp
+++ b/src/services/Cost/TaxComponent.cpp
@@ -4,12 +4,6 @@
 
 #include "TaxComponent.h"
 
-void TaxComponent::applyCost(std::vector<std::unique_ptr<Community>>& communities)
-{
-    Community::iterateVector(communities, [&](Community& community)
-    {
-        Building::Base::iterateVector(community.buildings(), [&](Building::Base& building)
-        {
-        });
-    });
+void apply(std::unique_ptr<Building::Base> &building, std::unique_ptr<Community> &community) {
+
 }
diff --git a/src/services/Cost/TaxComponent.h b/src/services/Cost/TaxComponent.h
index 55cb620..ce0eb78 100644
--- a/src/services/Cost/TaxComponent.h
+++ b/src/services/Cost/TaxComponent.h
@@ -7,16 +7,14 @@
 #include "../../interfaces/ICostComponent.h"
 
 
-class TaxComponent : public ICostComponent
-{
+class TaxComponent : public ICostComponent {
     double taxRate;
 
 public:
-    TaxComponent(double rate) : taxRate(rate)
-    {
+    TaxComponent(double rate) : ICostComponent(), taxRate(rate) {
     }
 
-    void applyCost(std::vector<std::unique_ptr<Community>>& communities);
+    void apply(std::unique_ptr<Building::Base> &building, std::unique_ptr<Community> &community) override;
 };
 
 
diff --git a/src/services/Surplus.cpp b/src/services/Surplus.cpp
index 24d2e92..3bd63cf 100644
--- a/src/services/Surplus.cpp
+++ b/src/services/Surplus.cpp
@@ -1,69 +1,73 @@
-//
-// Created by StanislausCichocki on 10.03.2025.
-//
 #include <spdlog/spdlog.h>
-
-
 #include "Surplus.h"
 #include "../model/Building.h"
 #include <algorithm>
 #include <vector>
 #include <ranges>
 #include <numeric>
+#include <cassert>
+#include <iostream>
 
 void Surplus::CalculateSurplus() {
     auto iterateFunc = Community::iterateBuildings(communities);
+
     auto modifyCommunity = [this](Community &c) {
-        this->consumptionAvailable=std::vector<float>(VALUE_COUNT, 00.f);
-        this->generationAvailable=std::vector<float>(VALUE_COUNT, 00.f);
-        this->isGenBigger=std::vector<bool>(VALUE_COUNT, false);
+        this->consumptionAvailable = std::vector<float>(VALUE_COUNT, 0.f);
+        this->generationAvailable = std::vector<float>(VALUE_COUNT, 0.f);
+
+        assert(!c.name().empty() && "Community name is empty!");
         LOG_DEBUG_INFO("Calculating Surplus for Community: {}", c.name());
     };
+
+
     auto modifyBuildingSurplus = [this](Community &community, Building::Base &building) {
+        assert(building.metadata() != nullptr && "Building metadata is null!");
+
         LOG_DEBUG_INFO("Calculating Surplus for Building: {} in Community: {}",
                        building.metadata()->name(), community.name());
+
         CalculateBuildingSurplus(community, building);
-    };
-    auto modifyBuildingSurplusCommunity = [this](Community &community, Building::Base &building) {
-        LOG_DEBUG_INFO("Calculating Surplus for Building: {} in Community: {}",
-                       building.metadata()->name(), community.name());
-        CalculateSurplusCommunity(community, building);
-    };
-    iterateFunc(modifyCommunity)(modifyBuildingSurplus);
-    iterateFunc(modifyCommunity)(modifyBuildingSurplusCommunity);
-    auto addCommunityValues = [this](Community &community) {
+
         community.set_consumption_available(this->consumptionAvailable);
         community.set_generation_available(this->generationAvailable);
-        community.set_is_gen_bigger_than_con(this->isGenBigger);
     };
-    iterateFunc(addCommunityValues);
+
+    iterateFunc(modifyCommunity)(modifyBuildingSurplus);
+
+    auto calculateCommunitySurplus = [this](Community &community) {
+        std::vector<bool> isGenBiggerThanCon;
+        std::ranges::transform(
+            consumptionAvailable, generationAvailable,
+            std::back_inserter(isGenBiggerThanCon),
+            [](const float a, const float b) { return a < b; }
+        );
+        community.set_is_gen_bigger_than_con(isGenBiggerThanCon);
+    };
+
+    auto calculateDistribution = [this](Community &community, Building::Base &building) {
+        CalculateSurplusCommunity(community, building);
+    };
+
+    iterateFunc(calculateCommunitySurplus)(calculateDistribution);
 }
 
-
 void Surplus::CalculateBuildingSurplus(Community &community, Building::Base &building) {
-    std::vector<float> ownCoverage;
-    std::vector<float> neededConsumption;
-    std::vector<float> neededGeneration;
-    std::vector<float> ownUsage;
+    std::vector<float> ownCoverage = std::vector(VALUE_COUNT, 0.0f);
+    std::vector<float> neededConsumption = std::vector(VALUE_COUNT, 0.0f);
+    std::vector<float> neededGeneration = std::vector(VALUE_COUNT, 0.0f);
+    std::vector<float> ownUsage = std::vector(VALUE_COUNT, 0.0f);
+
+    assert(building.metadata() != nullptr && "Building metadata is null!");
 
     const auto &consumption = building.metadata()->consumption_profile();
     const auto &generation = building.metadata()->generation_profile();
 
-    ownCoverage.reserve(consumption.size());
-    neededConsumption.reserve(consumption.size());
-    neededGeneration.reserve(consumption.size());
-    ownUsage.reserve(consumption.size());
-
+    size_t i = 0; // Fixed static variable issue
     std::ranges::for_each(consumption, [&](auto c_ptr) {
-        static size_t i = 0; // Keep track of index
         const float c = c_ptr ? c_ptr : 0.0f;
-        const float g = (i < generation.size() && generation[i]) ? generation[i] : 0.0f;
-        const float c_community = (i < consumptionAvailable.size() && consumptionAvailable[i])
-                                      ? consumptionAvailable[i]
-                                      : 0.0f;
-        const float g_community = (i < generationAvailable.size() && generationAvailable[i])
-                                      ? generationAvailable[i]
-                                      : 0.0f;
+        const float g = i < generation.size() ? generation[i] : 0.0f;
+        const float c_community = (i < consumptionAvailable.size()) ? consumptionAvailable[i] : 0.0f;
+        const float g_community = (i < generationAvailable.size()) ? generationAvailable[i] : 0.0f;
 
         const auto ownCov = (c - g);
         const auto neededCons = ((c > 0.0f) ? c : 0.0f);
@@ -73,13 +77,12 @@ void Surplus::CalculateBuildingSurplus(Community &community, Building::Base &bui
         const auto communityConsumption = c_community + neededCons;
         const auto generationConsumption = g_community + neededGen;
 
-        ownCoverage.push_back(ownCov);
-        neededConsumption.push_back(neededCons);
-        neededGeneration.push_back(neededGen);
-        ownUsage.push_back(ownUs);
-        this->consumptionAvailable[i] = communityConsumption;
-        this->generationAvailable[i] = generationConsumption;
-        this->isGenBigger[i] = generationAvailable[i] > consumptionAvailable[i];
+        ownCoverage[i] = ownCov;
+        neededConsumption[i] = neededCons;
+        neededGeneration[i] = neededGen;
+        ownUsage[i] = ownUs;
+        if (i < consumptionAvailable.size()) this->consumptionAvailable[i] = communityConsumption;
+        if (i < generationAvailable.size()) this->generationAvailable[i] = generationConsumption;
         ++i;
     });
 
@@ -88,24 +91,92 @@ void Surplus::CalculateBuildingSurplus(Community &community, Building::Base &bui
     building.values()->set_needed_gen(std::move(neededGeneration));
     building.values()->set_own_usage(std::move(ownUsage));
 
-    if (building.metadata()->annual_consumption() > 0.0f) {
+    const float totalConsumption = std::accumulate(building.metadata()->consumption_profile().begin(),
+                                                   building.metadata()->consumption_profile().end(), 0.0f);
+    const float totalGeneration = std::accumulate(building.metadata()->generation_profile().begin(),
+                                                  building.metadata()->generation_profile().end(), 0.0f);
+
+    if (totalConsumption > 0.0f) {
         building.values()->set_relativeSelfConsumption(
             std::accumulate(building.values()->own_usage().begin(), building.values()->own_usage().end(), 0.0f) /
-            std::accumulate(building.metadata()->consumption_profile().begin(),
-                            building.metadata()->consumption_profile().end(), 0.0f));
+            totalConsumption);
     } else {
         building.values()->set_relativeSelfConsumption(0.0f);
     }
-    if (building.metadata()->annual_generation() > 0.0f) {
+
+    if (totalGeneration > 0.0f) {
         building.values()->set_relativeSelfGeneration(
             std::accumulate(building.values()->own_usage().begin(), building.values()->own_usage().end(), 0.0f) /
-            std::accumulate(building.metadata()->generation_profile().begin(),
-                            building.metadata()->generation_profile().end(), 0.0f));
+            totalGeneration);
     } else {
         building.values()->set_relativeSelfGeneration(0.0f);
     }
 }
 
-void Surplus::CalculateSurplusCommunity(const Community &community, const Building::Base &base) {
+void Surplus::CalculateSurplusCommunity(Community &community, Building::Base &base) {
+    const size_t neededGenSize = base.values()->needed_gen().size();
+    const size_t neededConSize = base.values()->needed_con().size();
+    const size_t consumptionAfterCommunitySize = base.values()->consumption_after_community().size();
+    const size_t generationAfterCommunitySize = base.values()->generation_after_community().size();
+    const size_t generationToCommunitySize = base.values()->generation_to_community().size();
+    const size_t consumptionFromCommunitySize = base.values()->consumption_from_community().size();
+    const size_t communityConsumptionSize = community.consumption_available().size();
+    const size_t communityGenerationSize = community.generation_available().size();
 
+    if (neededGenSize != neededConSize ||
+        neededGenSize != consumptionAfterCommunitySize ||
+        neededGenSize != generationAfterCommunitySize ||
+        neededGenSize != generationToCommunitySize ||
+        neededGenSize != consumptionFromCommunitySize ||
+        neededGenSize != communityConsumptionSize ||
+        neededGenSize != communityGenerationSize) {
+        std::cerr << "Size mismatch detected in CalculateSurplusCommunity():\n";
+        std::cerr << "neededGenSize: " << neededGenSize << "\n";
+        std::cerr << "neededConSize: " << neededConSize << "\n";
+        std::cerr << "consumptionAfterCommunitySize: " << consumptionAfterCommunitySize << "\n";
+        std::cerr << "generationAfterCommunitySize: " << generationAfterCommunitySize << "\n";
+        std::cerr << "generationToCommunitySize: " << generationToCommunitySize << "\n";
+        std::cerr << "consumptionFromCommunitySize: " << consumptionFromCommunitySize << "\n";
+        std::cerr << "communityConsumptionSize: " << communityConsumptionSize << "\n";
+        std::cerr << "communityGenerationSize: " << communityGenerationSize << "\n";
+
+        throw std::runtime_error("Mismatch in vector sizes for CalculateSurplusCommunity()");
+    }
+
+
+    for (auto &&[needed_g, needed_c, con_after,gen_after,con_from,gen_to, con_available, gen_available, isGenBigger]:
+         std::views::zip(
+             base.values()->needed_gen(),
+             base.values()->needed_con(),
+             base.values()->consumption_after_community(),
+             base.values()->generation_after_community(),
+             base.values()->generation_to_community(),
+             base.values()->consumption_from_community(),
+             community.consumption_available(),
+             community.generation_available(),
+             community.is_gen_bigger_than_con()
+         )) {
+        if (isGenBigger) {
+            con_from = needed_g;
+            gen_to = needed_g / gen_available * con_available;
+        } else {
+            con_from = needed_c / con_available * gen_available;
+            gen_to = needed_c;
+        }
+        con_after = needed_c - con_from;
+        gen_after = needed_g - gen_to;
+    }
+
+    if (base.metadata()->annual_consumption() != 0) {
+        base.values()->set_con_from_community_relative(
+            std::accumulate(base.values()->consumption_from_community().begin(),
+                            base.values()->consumption_from_community().end(),
+                            0.0f) / base.metadata()->annual_consumption());
+    }
+    if (base.metadata()->annual_generation() != 0) {
+        base.values()->set_gen_to_community_relative(
+            std::accumulate(base.values()->generation_to_community().begin(),
+                            base.values()->generation_to_community().end(),
+                            0.0f) / base.metadata()->annual_generation());
+    }
 }
diff --git a/src/services/Surplus.h b/src/services/Surplus.h
index e000b5e..29ae247 100644
--- a/src/services/Surplus.h
+++ b/src/services/Surplus.h
@@ -16,20 +16,18 @@ private:
     std::vector<std::unique_ptr<Community> > &communities;
     std::vector<float> consumptionAvailable;
     std::vector<float> generationAvailable;
-    std::vector<bool> isGenBigger;
 
 public:
     Surplus(std::vector<std::unique_ptr<Community> > &communities) : communities(communities),
                                                                      consumptionAvailable(VALUE_COUNT, 0.0f),
-                                                                     generationAvailable(VALUE_COUNT, 0.0f),
-                                                                     isGenBigger(VALUE_COUNT, false) {
+                                                                     generationAvailable(VALUE_COUNT, 0.0f) {
     }
 
     void CalculateSurplus();
 
     void CalculateBuildingSurplus(Community &community, Building::Base &);
 
-    void CalculateSurplusCommunity(const Community & community, const Building::Base & base);
+    void CalculateSurplusCommunity(Community &community, Building::Base &base);
 };
 
 
diff --git a/tests/model/Factory.h b/tests/model/Factory.h
index cd9ac42..31507dd 100644
--- a/tests/model/Factory.h
+++ b/tests/model/Factory.h
@@ -15,12 +15,6 @@ namespace Building {
 
 class Factory {
 public:
-    std::unique_ptr<Building::Cost> static create_test_cost() {
-        auto cost = std::make_unique<Building::Cost>();
-        cost->set_special_rate_consumption(0.15f);
-        cost->set_special_rate_generation(0.10f);
-        return cost;
-    }
 
     std::unique_ptr<Building::Simulation_Values> static create_test_simulation_values() {
         auto values = std::make_unique<Building::Simulation_Values>();
@@ -56,6 +50,9 @@ public:
         metadata->set_connection_power(100);
         metadata->set_grid_power(50);
 
+        metadata->set_special_rate_consumption(0.15f);
+        metadata->set_special_rate_generation(0.10f);
+
         auto consumptionProfile = std::vector<float>();
         auto generationProfile = std::vector<float>();
 
@@ -74,7 +71,6 @@ public:
     std::unique_ptr<Building::Base> static create_test_building() {
         auto building = std::make_unique<Building::Base>();
 
-        building->set_cost(create_test_cost());
         building->set_values(create_test_simulation_values());
         building->set_metadata(create_test_metadata());
 
@@ -90,7 +86,7 @@ public:
         community->set_name("Test Community");
 
         std::vector<std::unique_ptr<Building::Base> > buildings;
-        for (int i = 0; i < 3; i++) {
+        for (int i = 0; i < 10; i++) {
             buildings.push_back(create_test_building());
         }
 
diff --git a/tests/services/test_Surplus.cpp b/tests/services/test_Surplus.cpp
index 31542fe..8b269fc 100644
--- a/tests/services/test_Surplus.cpp
+++ b/tests/services/test_Surplus.cpp
@@ -3,15 +3,19 @@
 //
 #define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
 #include "../../src/services/Surplus.h"
+#include "../../src/services/Cost/CostPipeline.h"
+#include "../../src/services/Cost/NetworkProvider.h"
 #include "doctest/doctest.h"
 #include "../model/Factory.h"
 
 TEST_CASE("Testing add function") {
     std::vector<std::unique_ptr<Community> > communities;
-    for (int i = 0; i < 1000; i++) {
+    for (int i = 0; i < 3; i++) {
         communities.push_back(Factory::create_test_community());
     }
     Surplus surplus(communities);
     surplus.CalculateSurplus();
+    CostPipeline costPipeline(communities);
+    costPipeline.addCostComponent(std::make_shared<NetworkProvider>());
     CHECK(true);
 }