Definition
An energy sale for which receipt or delivery may be interrupted for any reason or no reason, without liability on the part of either the buyer or seller. Non-Firm Sales are transacted under Non-Firm Point-to-Point Transmission Service and reflect purely economic, as-available power movements — the seller bears no obligation to deliver and the buyer bears no obligation to accept if conditions change. They are typically priced at a discount to firm transactions to reflect the interruptible nature of the delivery commitment.
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Topic Deck
Markets & Pricing
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Source
FERC Pro Forma OATT / LGIP