C Winter Reliability Assessment
1
MISO -1.2% SPP 0.8% NWPP & RMRG -1.5% New England 16.8% ERCOT -37.1% California/Mexico 12.3% Percentages indicate the projected reserve margin with electricity demand, generaon outages, and energy derates under extreme condions. NERC’s annual Winter Reliability Assessment provides an evalua�on of genera�on resource and transmission system adequacy needed to meet projected winter peak demands and opera�ng reserves and iden�fies poten�al reliability issues for the 2021–2022 winter period. 2021–2022 Winter Reliability Assessment Generators should take proac�ve steps to prepare for winter condi�ons and commuicate with grid operators. Grid operators should prepare to implement cold weather opera�ng plans, conduct drills, and poll generators for fuel and availability status. Load-serving en��es should review cri�cal loads to prevent inadvertent disrup�ons and ensure alert systems are in place to prepare their customers. Regulators should support requested environmental waivers. Winter weather condi�ons that exceed projec�ons could expose power system genera�on and fuel delivery infrastructure vulnerabili�es. Increased demand caused by frigid temperatures, coupled with higher than an�cipated generator forced outages and derates, could result in energy deficiencies that require system operators to take emergency opera�ng ac�ons, up to and including firm load shedding. Natural gas supply disrup�ons in areas with infrastructure areas have the poten�al to affect winter reliability. Although New England and California have sufficient planning reserves, fuel supplies to generators in those areas can be vulnerable during cold weather condi�ons. Con�nuing drought in the West has caused low hydro condi�ons and could reduce the supply of electricity available for transfer. Extreme Weather Risk Energy Infrastructure Risk Low Hydro Conditions Risk BC -0.6% Key Ac�ons
Transcript of C Winter Reliability Assessment
MISO-1.2%
SPP0.8%
NWPP & RMRG-1.5% New
England16.8%
ERCOT-37.1%
California/Mexico12.3%
Percentages indicate the projected reserve margin with electricity demand, generation outages, and energy derates under extreme conditions.
NERC’s annual Winter Reliability Assessment provides an evalua�on of genera�on resource and transmission system adequacy needed to meet projected winter peak demands and opera�ng reserves and iden�fies poten�al reliability issues for the 2021–2022 winter period.
2021–2022Winter ReliabilityAssessment
Generators should take proac�ve steps to prepare for winter condi�ons and commuicate with grid operators.
Grid operators should prepare to implement cold weather opera�ng plans, conduct drills, and poll generators for fuel and availability status.
Load-serving en��es should review cri�cal loads to prevent inadvertent disrup�ons and ensure alert systems are in place to prepare their customers.
Regulators should support requested environmental waivers.
Winter weather condi�ons that exceed projec�ons could expose power system genera�on and fuel delivery infrastructure vulnerabili�es. Increased demand caused by frigid temperatures, coupled with higher than an�cipated generator forced outages and derates, could result in energy deficiencies that require system operators to take emergency opera�ng ac�ons, up to and including firm load shedding.
Natural gas supply disrup�ons in areas with infrastructure areas have the poten�al to affect winter reliability. Although New England and California have sufficient planning reserves, fuel supplies to generators in those areas can be vulnerable during cold weather condi�ons.
Con�nuing drought in the West has caused low hydro condi�ons and could reduce the supply of electricity available for transfer.
Extreme Weather Risk Energy Infrastructure Risk Low Hydro Conditions Risk
BC-0.6%
Key Ac�ons
