Letter: P

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Public Utility Commission of Texas (PUCT)

A state agency responsible for the economic regulation of electric, telecommunication, water, and wastewater utilities. PUTC oversees the Electric Reliability Council of Texas (ERCOT), which runs the electric grid for 90 percent of Texas’ power needs.

Power purchase agreement (PPA)

A long-term electricity supply contract between two parties, typically between an independent power producer (IPP) and a customer.

Power (electric)

The time rate of generating, transferring, or using electric energy, usually expressed in kilowatts (kW).

Pennsylvania-Jersey-Maryland Interconnection (PJM)

A Regional Transmission Organization (RTO) responsible for managing the power grid and wholesale electricity market in all or part of 13 US states, including Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and the District of Columbia.

Peak load

The highest level of electrical demand on a power grid over a specific time.

Pressure control valve (PCV)

A mechanical device used to manage and maintain desired pressure levels within a system by opening or closing in response to pressure changes.
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