Trade · 6 pages · 12 min

Why the green claim and the physical flow can part ways

A contractual green claim can travel a different path from the power on the local wires.

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From the opening

On a pooled grid, power from many plants mixes, and no meter can point to the plant that supplied a particular socket. A green claim can follow a contract or a certificate, while the physical flow follows the laws of the network from whatever plants are running nearby. The opening covers contracts assign the claim, physics assigns the flow, and annual match skips the hour.

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Inside

  • Contracts assign the claim
  • Physics assigns the flow
  • Annual match skips the hour
  • A direct line narrows the gap
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Pooled grid dispatch
  • Hourly versus annual renewable matching