The SPP board of directors' approval of the RTO’s first reduction in its planning reserve margin since 1998 almost left members wanting more.

SPP members voted last week to reduce the RTO’s planning reserve margin to 12% from the current 13.6%.

The SPP task force updating the RTO’s planning reserve margin requirements shared its draft report on loss-of-load expectations.

MISO officials outlined proposals to boost its capacity resources, winning support for efforts to streamline the generator interconnection process and redraw its zonal boundaries to reflect constraints.

MISO launched the first in a series of stakeholder workshops dedicated to improving resource adequacy as the RTO deals with the retirement of coal-fired generation and the growth of natural gas and renewables.