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Potential transformer

A potential transformer (PT) is a device that lowe

Power factor (Pf)

Power factor is defined as the ratio of real power

Power flow model

Power pool

A power pool is an entity that handles scheduling

Power system stabilizer (PSS)

A power system stabilizer (PSS) is a control syste

Power-to-gas

Power-to-gas is a technique used to create clean s

Pressure testing

​Pressure testing is the practice of subjecting

Price index

A price index is a formula for calculating the mar

Price risk

Price risk is the possibility that a commodity pri

Price swap

Another common over-the-counter (OTC) derivative i

Properties of natural gas

Gas is tasteless, colorless, odorless, and non-tox

Prosumer

A prosumer is an electricity customer that both co

Public power agency

Smaller municipal utilities and/or public utility

Public Utility Regulatory Policies Act

The first move toward restructuring of U.S. electr

Pumped hydroelectric energy storage

Pumped storage plants are like impoundment hydropo

Qualifying facility

In 1978, the U.S. Congress passed PURPA, which con

Radial feed electric distribution

The distribution feeder design dictates how distri

Rate design (electric)

Rate design is the process of determining how auth

Rate design (natural gas)

Rate design refers the process of determining how

Rate of return

Cost-of-service ratemaking sets rates based on for