Among other things, PURPA requires electric utilities to offer to purchase electric energy from QFs, which are categorized as either small power producers or cogenerators. The rate that a QF may receive for energy must be a rate “not to exceed the incremental cost to the electric utility of alternative electric energy,” which is “the cost to the electric utility of the electric energy which, but for the purchase from such cogenerator or small power producer, such utility would generate or purchase from another source.” In other words, “the purchasing utility cannot be required to pay more for power purchased from a QF than it would otherwise pay to generate the power itself or to purchase power from a third party.” This is referred to as the utility’s “avoided cost.”
Rates for energy are generally categorized as either fixed or “as-available.” Fixed rates are generally fixed at the time of the contract or other legally enforceable obligation (“LEO”) between the QF and the utility and do not vary over the term of the contract or LEO. For example, many renewable energy projects, which generally produce only to sell into the market and rely on a fixed revenue stream for financing, often rely on fixed energy rates. Conversely, other types of generators, such as cogeneration facilities, might only sell into the market when they have excess energy and will take the prevailing price at the time of sale. This rate is referred to as an “as-available” energy rate and is variable. Rates for capacity are generally fixed at the time of contract or LEO. QF rates for energy and capacity are set by state commissions.
Order No. 872 follows a technical conference, notice of proposed rulemaking (“NOPR”), and multiple rounds of industry comments. The Order adopts most of the NOPR proposals and substantially alters the rules for QFs.
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