Feed-in versus self-consumption calculator
Every kilowatt hour you use yourself is worth the electricity price. Every kilowatt hour you export is worth the feed-in rate. This tool shows what that gap means for your system.
Data set
These are reference values for Europe. Our country sites carry verified local data: myosolar.de, myosolar.at, myosolar.ch, myosolar.it, myosolar.es, myosolar.fr
Your inputs
kWp
kWh
PVGIS was not reachable, so this result uses the market average yield and is an estimate rather than a location specific calculation.
Result
covers around 28% of your electricity demand
that is €102 less on the electricity bill every month
Self-consumption is worth 3.6 times as much as feed-in
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Assumptions and sources
The market data behind the calculation above, with source, date and quality, followed by the modelling assumptions the result depends on.
Change our assumptions
These are estimates for your market. Enter your real rates and every result recalculates immediately.
Market data with sources
- Household electricity price0.2896 EUR/kWh
European reference value. Choose your country site for local figures.
- Feed-in remuneration0.08 EUR/kWh
Illustrative only. Never print in an article. Use the market specific constant instead.
- Specific yield1,100 kWh/kWp
Illustrative only. Never print in an article. Use the market specific constant instead.
Modelling assumptions
These are modelling choices, not measurements. They shape the result, so we name each one and what it does to it.
- Self-consumption share12 to 90 percent, derived
We derive the share of your production that you use yourself from the ratio of annual production to annual consumption: the larger the system compared with your demand, the smaller the share. A battery raises it, in proportion to how much of a day of consumption it can store. A higher share raises the saving, because power used at home avoids the full electricity price.
Rules that apply in your market
- These figures are European reference values, not the rules of a single country. Our country sites carry verified local data.
Frequently asked questions
- Should I size my system for feed-in or for self-consumption?
- Where feed-in rates are low, self-consumption carries the business case, so shifting load into the day and adding storage matters more than maximising the annual total.
- Is exporting still worth it?
- Yes. Even a low feed-in rate is better than curtailing production, and a larger system usually still lowers your total cost of electricity.
- How can I raise self-consumption without a battery?
- Run the dishwasher, washing machine, hot water and car charging during the day, and let a heat pump prefer daytime hours.
Related tools
- Self-consumption and battery size calculatorSelf-consumption with and without a battery, plus the size that pays back.
- Solar savings and payback calculatorSystem size, production, savings and payback for your market.
- Heat pump savings calculatorElectricity demand, heating cost and how much solar can cover.
Matching guides
This is a transparent model for orientation, not an offer, not a yield guarantee and not financial advice. Binding figures need a site survey.