CAISO will make permanent the practice of boosting its power reserves to account for utility-scale solar tripping offline because of an inverters problem.

FERC gave final approval to NERC reliability standards on training requirements and the coordination of protection systems.

NERC said Wednesday that its annual summer reliability assessment indicates ERCOT and CAISO will face operational challenges and potential reliability concerns this summer, thanks to the two ISOs’ respective loss of baseload generation and lack of fuel assurance.

FERC proposed to approve a revised reliability standard on geomagnetic disturbances but directed NERC to also require mitigation of vulnerabilities to localized events.

FERC should let RTO stakeholder processes work and not issue broad and costly new mandates on grid resilience, commenters told the commission.

FERC approved the dissolution of the SPP Regional Entity and the transfer of its members to the Midwest Reliability Organization and SERC Reliability Corp.

Coal plant retirements have not caused a shortage of black start resources, but grid operators should consider expanded testing, FERC and NERC said.

Although FERC has required almost all new generating units to provide primary frequency response (PFR), PJM stakeholders are strongly opposing any move by the RTO to require existing units to follow suit.

FERC approved rules to prevent malware from infecting “low impact” computer systems through devices such as laptops and thumb drives.

MISO challenged a 2017 NERC assessment that found two areas in the RTO would challenges during a disruption of natural gas delivery.