CPP proposes developers pay higher-than-average connection costs to get interconnection agreements faster and with more certainty

Total interconnection cost for SPP wind and solar projects (real 2022 $/kW)
Source: Berkeley Lab SPP Interconnection Cost Analysis (2023), SPP CPP Manual v1.0, Modo Energy
Note: 133 SPP wind and solar projects with studies completed 2020–2023, clipped to p5–p95. GRID-C rate is indicative — first rate publishes Fall 2026.
MODOENERGY