igh-voltage shore connectionLoad managementMains electricity by countryPower linePower stationPumped hydroSmart gridSubstationSingle-wire earth returnSuper gridTransformerTransmission system operator (TSO)Transmission towerUtility poleFailure modesBlackout (Rolling blackout)BrownoutBlack startCascading failureProtectivedevicesArc-fault circuit interrupterCircuit breakerEarth-leakage circuit breakerGenerator interlock kitResidual-current device (GFI)Power system protectionProtective relayNumerical relaySulfur hexafluoride circuit breakerEconomicsand policiesAvailability factorCapacity factorCarbon offsetCost of electricity by sourceEnvironmental taxEnergy subsidiesFeed-in tariffFossil fuel phase-outLoad factorNet meteringPigovian taxRenewable Energy CertificatesRenewable energy paymentsRenewable energy policySpark/Dark/Quark/Bark spreadStatistics andproductionList of electricity sectorsElectric energy consumptionCategoryශ්‍රිතයක වි