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Reliability is a measure of the electric or natural gas system’s ability to provide supply to consumers when they desire to use the...
Renewable electric generation is a broad category fueled by sources that can be naturally replenished. There are many types of renewable...
A renewable energy credit, commonly called a REC, is a tradeable financial instrument that allows the owner of a renewable facility to...
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...
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...
The voltage configuration that is provided by the utility at the customer meter is called the service voltage. In many cases, two...
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...
Single-phase is a service configuration offered by electric utilities and is typically provided to residential and small commercial...
Most existing nuclear reactors are big – typically ranging in size from 600 to more than 1,500 MW. New technologies in development...
The term smart grid (also sometimes called the advanced grid) applies to deployment of various digital technologies at points throughout...
A smart inverter is an inverter that includes sophisticated power electronics that allow it to provide a variety of functions while...
