Categories
Renewable energy and heat pumps
Assess PV yield, storage, EVs and heat pumps with transparent annual balances.
05available
Enter site and demand, review assumptions, and compare energy and cost metrics.
Expansion prepared
Calculators in this category
01Seasonal energy balance
Heat-pump annual cost
Combine heat demand, SCOP, tariff and CO₂ into energy and cost.
Open calculator →02PV annual balance
PV yield and self-consumption
Calculate yield, autarky and grid import from site, orientation and demand profile.
Open calculator →03PV storage balance
PV battery sizing
Pre-size usable and nominal storage from PV, demand and target autarky.
Open calculator →04PV, storage and EV balance
PV, battery and EV
Balance household, EV, PV and storage together.
Open calculator →05Discounted energy economics
PV payback and LCOE
Determine LCOE, system value and simple payback from cost and yield.
Open calculator →