Concepts
Demand Response
Grid Operation
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Meeting a strained grid from the demand side: customers cut their electricity use during hours of high demand in exchange for incentives, instead of the grid starting another plant. In some programs the operator can directly switch off enrolled cooling equipment or industrial processes; in others customers choose whether to respond to an announced event, and either way the avoided peak spares the least efficient, most expensive generation.
Facts
Disputed
Formulated YearUtility demand-side management and interruptible-load programs predate formal terminology by decades; the US Federal Energy Regulatory Commission's 2011 definition is the widely cited formal standard. Concept Domain Cross-Tradition Connections
Sources
1. United States Energy Information Administration Official Site
US Energy Information AdministrationToday in Energy, Demand response saves electricity during times of high demandQuote, Today in Energy, Demand response saves electricity during times of high demand
Lower demand means that less efficient, and often more expensive, forms of electricity generation do not need to come online during times of high demand.
1. United States Energy Information Administration Official Site
US Energy Information AdministrationAssociated With: Duck Curve, Today in Energy, As solar capacity grows, duck curves are getting deeper in CaliforniaQuote, Associated With: Duck Curve, Today in Energy, As solar capacity grows, duck curves are getting deeper in California
That rapid ramp up makes it more difficult for grid operators to match grid supply (the power they are generating) with grid demand in real time.
2. Wikipedia
Wikimedia FoundationBackgroundQuote, Background
Changes in electric usage by end-use customers from their normal consumption patterns in response to changes in the price of electricity over time, or to incentive payments designed to induce lower electricity use at times of high wholesale market prices or when system reliability is jeopardized.
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