This guide shows how to utilise FlatPeak to optimise the operation of an energy storage device, aiming to maximise cost savings and accelerate ROI.
Charge when import tariff is low
schedule.start_time
and schedule.end_time
.Supply when import tariff is high
relative=0.5
to get slots when the tariff is at the top 50% of the range.Export when export tariff is high
Log imported energy
direction=IMPORT
and tariff_rate=IMPORT
to determine what it did cost.tariff_rate
to LOCAL
. If you send LOCAL
and IMPORT
meter readings covering the same period, they will be summarised.Log supplied energy
direction=EXPORT
and tariff_rate=IMPORT
to determine what it could have cost.Log exported energy
direction=EXPORT
and tariff_rate=EXPORT
to determine what it earned from the grid.Get data to calculate savings
direction=IMPORT
) for the period for which you would like to provide the report:direction=EXPORT
); for the same period:direction=EXPORT
):aggregation
parameter to get data for a week, month, or year.Calculate savings
tariff.value
figures in the IMPORT
and EXPORT
responses will be the savings your system has achieved.The example below covers a day period and works out as follows:€1.18
grid costs avoid minus €0.64
paid, making a saving of €0.54 or 54% savings.LOCAL
tariff_rate
(step 4), solar savings will automatically be included in the calculation.