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{{Short description|System for trading electrical energy}}{{Multiple issues|
{{Too technical|date=August 2022}} {{More citations needed|date=August 2020}} {{Update|date=August 2022|reason=needs more info on alternatives to [[marginal cost]] pricing}}
}} {{Redirect|Energy exchange|the physics concept|energy transfer}} In economic terms, [[electricity]] is a [[consumable]] energy resource capable of being bought, sold, and traded. An '''electricity market''', also '''power exchange''' or '''PX''', is a system enabling purchases, through bids to buy; sales, through offers to sell. Bids and offers use [[supply and demand]] principles to set the price. Long-term contracts are similar to [[power purchase agreement]]s and generally considered private bi-lateral transactions between counterparties.
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