function [stdgrid,sumgrid]=battery_sim(BatterySize,End)

% clc
% close all
% clear all
load('Mum_NRJ_Data_matlab.mat', 'USEDWATTS', 'GENERATEDWATTS', 'BATTERY')
Start=1;
%End=3;
% BatterySize= 10;
UW=USEDWATTS(Start*2880:End*2880);
GW=GENERATEDWATTS(Start*2880:End*2880);
Grid=zeros(2880*(End-Start), 1 );
B=zeros(2880*(End-Start), 1 );
BS=BatterySize*120000;

for i=1:length(UW)
B(i)=GW(i)-UW(i);
     if  (0 <= sum(B))&&(sum(B) < BS )
          Grid(i)=0;
     elseif sum(B) >= BS
          B(i)=0;
         Grid(i)= GW(i)-UW(i);
     elseif sum(B)< 0
          B(i)=0;
         Grid(i)= GW(i)-UW(i);
     end
end

BatteryCost = BatterySize;
stdgrid=std(subplus(-Grid));
sumgrid=sum(subplus(-Grid/120000));





% data = [UW,GW, cumsum(B)/120];
% 
% figure;
% plot(data)
% figure;
% plot(-Grid)