Examples
Examples
Try the starting example
- PV powers (kW)
- 0,8,10,2
- Site load powers (kW)
- 3,2,3,5
- Interval duration (hours)
- 1
- Export power cap (kW)
- 3
- Battery usable capacity (kWh)
- 5
- Initial battery energy (kWh)
- 0
- Battery power limit (kW)
- 3
- Charge/discharge efficiency each (fraction)
- 0.9
- Per-interval [direct use,charge input,discharge output,export,curtailment,grid import,end stored] kWh JSON
- [[0,0,0,0,0,3,0],[2,3,0,3,0,0,2.7],[3,2.55555555556,0,3,1.44444444444,0,5],[2,0,3,0,0,0,1.66666666667]]
- Total curtailment (kWh)
- 1.444444
- Total grid import (kWh)
- 3
Try another scenario
- PV powers (kW)
- [1, 8, 10, 2]
- Site load powers (kW)
- [3, 2, 3, 5]
- Interval duration (hours)
- 1
- Export power cap (kW)
- 3
- Battery usable capacity (kWh)
- 5
- Initial battery energy (kWh)
- 0
- Battery power limit (kW)
- 3
- Charge/discharge efficiency each (fraction)
- 0.9
- Per-interval [direct use,charge input,discharge output,export,curtailment,grid import,end stored] kWh JSON
- [[1,0,0,0,0,2,0],[2,3,0,3,0,0,2.7],[3,2.55555555556,0,3,1.44444444444,0,5],[2,0,3,0,0,0,1.66666666667]]
- Total curtailment (kWh)
- 1.444444
- Total grid import (kWh)
- 2
Calculation method
Calculation method
Per-interval [direct use,charge input,discharge output,export,curtailment,grid import,end stored] kWh JSON
Deterministic self-consumption dispatch: serve load, store surplus, discharge for deficits, export to cap, curtail rest; constant separate one-way efficiencies.
Total curtailment (kWh)
Deterministic self-consumption dispatch: serve load, store surplus, discharge for deficits, export to cap, curtail rest; constant separate one-way efficiencies.
Total grid import (kWh)
Deterministic self-consumption dispatch: serve load, store surplus, discharge for deficits, export to cap, curtail rest; constant separate one-way efficiencies.
Symbols and units
- a
- PV powers (kW)
- b
- Site load powers (kW)
- c
- Interval duration (hours)
- d
- Export power cap (kW)
- e
- Battery usable capacity (kWh)
- f
- Initial battery energy (kWh)
- g
- Battery power limit (kW)
- h
- Charge/discharge efficiency each (fraction)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions & limits
Assumptions & limits
- User-supplied measurements and assumptions; Deterministic self-consumption dispatch: serve load, store surplus, discharge for deficits, export to cap, curtail rest; constant separate one-way efficiencies. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
Are these inputs private?
These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.
Further reading
Background reading; this does not imply endorsement or independent review of SumFizz.