January 23, 2025

Resource Adequacy

Resource adequacy is the ability of electric grid operators to supply enough electricity at the right locations, using current capacity and reserves, to meet demand. It is expressed as the probability of an outage due to insufficient capacity.
Thayer School of Engineering at Dartmouth
ISO-NE Planning Advisory Committee Briefs: Sept. 28, 2017
ISO-NE’s Planning Advisory Committee hashed over technical details from stakeholder comments regarding the grid operator’s draft 2016 Scenario Analysis.
Perry Orders FERC Rescue of Nukes, Coal
Energy Secretary Rick Perry on Friday ordered FERC to rescue at-risk nuclear and coal generation by ensuring they receive “full recovery” of their costs.
California Energy Commission
Metcalf Reliability-Must-Run Draws Scrutiny
CAISO will gather feedback on its proposal for reliability payments to keep Calpine’s Metcalf gas-fired plant from retiring.
ISO-NE Forecast Sees Flat Loads, More Solar, No Congestion
ISO-NE expects growing energy efficiency and behind-the-meter solar generation to more than cancel out load growth over the next 10 years.
© RTO Insider LLC
PJM PC/TEAC Briefs: Sept. 14, 2017
PJM has reduced its installed reserve margin, largely because of a drop in the equivalent forced outage rate.
Consumers Energy
Michigan PSC Orders 4-Year Capacity Look-Ahead
Michigan regulators issued an order outlining how electricity providers must demonstrate they have enough capacity to serve their customers for four years.
© RTO Insider
MISO Postpones External Zones Until 2019 Auction
MISO has decided to delay the formation of external resource zones and seasonal capacity.
ERCOT Briefs
ERCOT’s latest resource adequacy forecasts project the Texas grid will have sufficient installed generating capacity this fall and winter.
© RTO Insider
EIM Participants Seek Resource Test Tweaks
EIM market participants voiced concerns about fluctuating load forecasts that make it harder to pass resource sufficiency tests.
Power Sellers, LSEs Question CAISO ROR Designation
Generation owners in CAISO are urging changes in an ISO reliability proposal for determining which unprofitable generators are eligible to receive payments.

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