HILL · High Impact Large Load
SPP's category for a new or expanded load of 10 MW+ at 69 kV or below, or 50 MW+ above. Requests from 2026-01-15 must meet SPP's ride-through table, including 90% recovery within 1 s.
Current numbers
0.90–1.10 pu continuous; 0.15 s below 0.50 puSPP HILL ride-through (2025-09-23): 0.80–0.90 pu 2.00 s; 0.50–0.80 pu 0.50 s; under 0.50 pu 0.15 s; upper ends exclusive