Quick calculation · home battery

What does a home battery yield?

With solar panels and without net metering: how much solar power you use yourself with a battery, what that saves per year, what each battery size earns and in how many years it pays for itself. With a dynamic contract also smart on hourly prices.

1. Your consumption and solar panels

Electricity use per yearkWhFrom your annual statement (grid consumption plus what you used yourself from the panels).Solar panel generationkWh/yearIn the inverter app; 14 panels of 400 Wp give about 4,750 kWh.On how many workdays is someone at home during the day?Whoever is home during the day uses more solar power directly; the battery then captures less.

2. The battery

Model (optional)A model fills in capacity, power and (if known) losses and standby.CapacitykWhPowerkWHow fast it charges and discharges; stated in the specifications.ControlSmart control and imbalance trading only with a dynamic contract.

Connected to Own inverter (AC) The solar panels' inverter (DC, hybrid)

Hybrid (DC): solar power charges the battery without conversion; usually € 5–15 per year more efficient.

Price from your quote (optional)€Without a price, the tool uses the market range (incl. installation and VAT).

3. Your contract (without net metering)

Type of contract Fixed Dynamic

Electricity price€/kWhFeed-in compensation€/kWhFeed-in costs€/kWhMany fixed contracts charge € 0.05–0.15 per kWh fed back.

Example rates, incl. energy tax and VAT, as in the calculator; enter those of your contract.

Your estimate

What does the battery yield?

€ 0per year

0%used yourself (was 0%)

0 kWhfrom the battery

–paid back

Without and with battery

From the grid: –
Fed back: –
Purchase: –

Savings per battery size

Per battery size, at your power

Capacity	Per year	Purchase	Paid back

A simple estimate with common assumptions: a standard consumption pattern, an average supplier and the battery as above. Want it more accurate, with your postcode, your own supplier, net metering, subsidy and VAT refund? Then use the full calculator. To the calculator

An indication, not a quote. Calculates every hour of a year with a standard consumption and solar pattern, like the calculator, with 10% loss when charging and discharging and the battery's own consumption (or the data of the chosen model). Smart control assumes a perfect forecast, so slightly more favourable than in reality. Prices: range from energieprijzen-nl.