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Grid Connection & Export Revenue

Metering, export tariffs (export price vs avoided import cost), DNO approval.

10 min read · Jacob Willis, Net Zero Lead · Last reviewed July 2026


Most building-scale CHP is designed to use all its power on site, but understanding grid connection and export is essential both to stay legal and to capture value where it exists. The core insight is simple: a unit of electricity is worth far more used on site than exported, and that fact shapes how CHP is sized and operated. This lesson covers why self-consumption wins, the connection requirements, export revenue routes, and operating to the market.

In this lesson

  • 01Why on-site use beats export
  • 02Connection requirements
  • 03Metering and revenue
  • 04Sources and further reading