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  1. Home
  2. Glossary
  3. Surplus

Self-consumption

Surplus

Electricity that is generated but not consumed on site, which can be injected into the grid or sold.

Also known as: production surplus

Source: Ministère de la Transition écologique

In the same category

  • Collective self-consumption
  • Injected surplus
  • Self-consumption
  • Self-consumption rate

Articles that use this term

  • Home battery: the price and the alternative
  • Solar panels: nobody home during the day
  • Farm roofs: the energy-sharing guide
  • Schools: a guide to energy sharing
  • Energy communities: a guide for municipalities
  • Energy sharing in a condominium: the guide
  • Local electricity: the short-circuit guide
  • Solar surplus: the 5 options compared
  • Solar panels 2026: still worth it in Wallonia?
  • Cheaper electricity without switching supplier
  • Which electricity tariff to choose in Belgium?
  • Internal transfer price in an energy community
  • Simulate an allocation key: test your scenarios
  • Energy self-consumption in Belgium
  • Reduce your electricity bill: energy communities
  • Automatic allocation key generation
  • Allocation key in Belgium: the 3 regions
  • Join an energy community in Wallonia
  • Create an energy community in Wallonia
  • Energy communities in Belgium: CER, CEC, CEL

Go further

Solar panels: profitability and surplus — Decide whether to install based on your situation, then choose what to do with the electricity you do not use.

Back to the glossary

OptimCE

Open source management platform for renewable energy communities.

Born from Locomotrice, a Walloon research project (2023–2026) funded by the Win2Wal programme and led by ULiège (BEMS laboratory) and CECOTEPE.

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