The chart shows a typical load profile for a commercial site with no on-site renewables.
The graph below indicates effect Storage has on the site electricity demand. The grey line is before storage is fitted. The orange line shows the effect of the Grid FFR scheme operating, and the storage modules releasing all stored energy during the Red/Triad periods.
It is the blue shaded column that illustrates the demand region that the facility needs to reduce in order to prevent incurring highest costs and inconsistent supply.
Fixed costs (DUoS & Triads) currently comprise 24% of the electricity bill based on Ofgem information and these charges will increase to 40% by 2020 based on ofgem information.