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A renewable energy credit, commonly called a REC, is a tradeable financial instrument that allows the owner of a renewable facility to...
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A renewable portfolio standard, often called an RPS, is a regulatory requirement obligating utilities, generation authorities, or...
Replacement reserve comprises units that are available with a longer lead time than other reserves, commonly 30 minutes from...
The long-term balance of electric supply and demand in a specific market region is evaluated by looking at the reserve margin. The...
Natural gas and electric utility rate structures and regulatory rules typically classify residential customers as a unique class....
Electrical resistance (or the resistance to the flow of electricity through a material) is measured in units called ohms (Ω). You can...
Resistance is a term that is used to quantify how good or bad a given material acts as a conductor. Resistance to flow in a material is...
A retail marketer is a non-utility entity that sells electric supply, natural gas supply, and other energy services directly to end-use...
Revenue allocation is a step in the ratemaking process where the revenue requirement is divided among specific utility functions and,...
A revenue requirement is the total amount of money a utility must collect from customers to pay all its costs, including its return on...
A safety ground is a temporary conductor installed to protect electric workers performing maintenance or repairing electrical...
A service conductor is the wire or set of wires that transmit electricity from a transformer on a distribution line to a customer...
There are a variety of configurations and layout options for secondary services, most of which are standardized throughout the industry....
The service panel, also called a breaker box or fuse box, houses the circuit breakers and fuses that protect the circuits in a home or...
A service territory defines the geographic area where a utility is allowed and required to provide services. Typically, a utility has...
The voltage configuration that is provided by the utility at the customer meter is called the service voltage. In many cases, two...
Under the single-buyer electric market model, the utility company creates a supply purchasing group whose job is to competitively procure...
Distribution lines can be configured in different ways depending on how the lines are wired into the transformer at the substation. Lines...
Single-phase feeders and taps are used to take power from three-phase lines and feed it to customers taking single-phase service. The...
Single-phase power refers to an electrical system that has only one voltage or current curve. While we are used to thinking of electric...
