ECONOMIC

ANCILLARY MARKETS

a general term for markets that facilitate the provision of specialty services and functions beyond generation and transmission. These services generally maintain grid stability (e.g.

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CAPACITY TRANSACTION

Image courtesy: Delft University of Technology the acquisition of a specified quantity of generating capacity from another utility for a specified period of time. Measured in megawatts (MW).

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DAY-AHEAD ENERGY MARKETS

“Earth” by Yuri Samoilov is licensed under CC BY 2.0 a financial market that lets market participants commit to purchasing or selling wholesale electricity one day before the operating

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ESCALATOR VALUE

Image licensed under CC0 1.0 A percentage value that can either increase or decrease a contracted value over time or for a given market condition. Pros

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HORIZONTAL INTEGRATION

“Integration in English” by Andrew c is licensed under CC BY-SA 3.0 the process of a company increasing production of goods or services at the same level of the supply chain. A company

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INTERNAL RATE OF RETURN (IRR)

Image licensed under CC0 1.0 a metric used in capital budgeting to estimate the profitability of potential investments. Generally speaking, the higher a project’s internal rate of return, the

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NON‐SYNCHRONIZED RESERVES

“Diesel generator” by Guangjian Duan is licensed under CC BY 2.0 additional generation capacity above the expected load scheduled which can be available within 10 minutes to protect

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POWER PURCHASE AGREEMENT (PPA)

Image licensed under CC0 1.0 a legal contract between an electricity generator (provider) and purchaser (buyer, typically a commercial or industrial business, government entity, utility, or other large power buyer/trader). Pros

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