MISO · Midcontinent Independent System Operator
The regional grid operator covering the US midcontinent, one of the balancing authorities where large-load headroom and interconnection rules differ materially from neighbors.
Current numbers
18 / 15 / 10 GWcurtailment-enabled headroom at 0.5% in PJM / MISO / ERCOT (SPP also ~10 GW; Southern ~8 GW)