Real-time pricing, new rates and enabling technologies target demand flexibility to ease California outages

Published: September 13, 2022

Growing California power system reliability threats made vivid by early September Flex Alerts called by the state’s system operator could be relieved by a price signal based on real-time pricing, or RTP, linked to smart customer-owned resources through new enabling technologies, according to the California Public Utilities Commission Energy Division’s June 22 ”CalFUSE” proposal.

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The middle row shows the tendered retail electricity price in $/kWh for the next 5-minute, 15-minute and one-hour intervals up to the last hour of tomorrow. The start time for each interval is shown in the top row. The prices use current wholesale California ISO locational prices for the Moorpark Southern California Edison transmission substation augmented by scarcity prices for distribution, resource adequacy and flexible resource adequacy based on an experimental tariff. The bottom row shows the forecasted marginal Lbs of CO2 or Green House Gases (GHG) released per kWh for the same intervals. The CHG estimates are from The ticker automatically updates from time to time based on the California ISO publication schedule.