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Fix the energy market
Draft

Zonal Marginal Pricing

A wholesale architecture in which electricity is priced within geographic bidding zones, inter-zonal congestion affects market prices and residual internal congestion is managed through redispatch.

Solution section

Investment & Cost Recovery

How fixed costs, investment and resource adequacy are supported.

Investment & Cost Recovery

Investment incentives can come from:

  • energy-market revenues;
  • congestion rents;
  • scarcity prices;
  • long-term contracts;
  • support schemes;
  • capacity mechanisms.

There is no single universal zonal investment architecture.

The locational investment signal is coarser than nodal pricing because all participants inside a bidding zone face the same wholesale settlement price.