set terminal png
set output 'power_daily.png'
set xdata time
set timefmt "%b %d %Y"
set title "Daily Power Consumption in Dollars (12.8 cents per KWh)" 
set ylabel "Dollars on one branch" 
set yrange [0:*]
set xrange [*:*]
set xlabel " "
set grid
set size 1.2 ,0.5
set key top left

plot 'power_daily.365' using 1:4 t "Power" with lines