POWER REGION

What is SPP?

Southwest Power Pool · serves 14 central US states

Southwest Power Pool runs the grid across 14 states in the central US, from the Dakotas down toward Texas. Like MISO it's a wind powerhouse. On windy days SPP has run on more than 90% wind for short stretches, among the highest instantaneous renewable shares of any large grid.

SPP is part of the Eastern Interconnection and operates an integrated energy and reserves market across its members.

Explore on the map → Lesson · SPP: wind across the Plains →
Type
RTO
Region
14 central states
Signature
Record wind shares
Market
Integrated marketplace

Frequently asked questions

What is SPP?

Southwest Power Pool is the grid operator for 14 central US states. It regularly sets records for the share of demand met by wind power.