Superior Water, Light and Power Co electricity rate plans
12 residential rate plans from Superior Water, Light and Power Co. Each page breaks down peak hours, off-peak windows, and per-kWh prices. 4 are time-of-use plans.
| Plan | Type | Peak hours | Peak / off-peak |
|---|---|---|---|
| Controlled Space Heating Service (Single-Phase) CSHS | Flat | — | 6¢ |
| Controlled Space Heating Service (Three-Phase) CSHS | Flat | — | 6¢ |
| Controlled Water Heating Service (Single-Phase) EW1 | Flat | — | 6¢ |
| Controlled Water Heating Service (Three-Phase) EW1 | Flat | — | 6¢ |
| Residential Service (Single-Phase) ER1 | Flat | — | 9¢ |
| Residential Service (Single-Phase) ER1 w/ Parallel Generation (< 20 kW) | Flat | — | 9¢ |
| Residential Service (Three-Phase) ER1 | Flat | — | 9¢ |
| Residential Service (Three-Phase) ER1 w/ Parallel Generation (< 20 kW) | Flat | — | 9¢ |
| Residential Service Time-of-Day (Single-Phase) ERTD | Time-of-use | 9 a.m.–9 p.m. | 12¢ / 4¢ |
| Residential Service Time-of-Day (Single-Phase) ERTD w/ Parallel Generation (< 20 kW) | Time-of-use | 9 a.m.–9 p.m. | 12¢ / 4¢ |
| Residential Service Time-of-Day (Three-Phase) ERTD | Time-of-use | 9 a.m.–9 p.m. | 12¢ / 4¢ |
| Residential Service Time-of-Day (Three-Phase) ERTD w/ Parallel Generation (< 20 kW) | Time-of-use | 9 a.m.–9 p.m. | 12¢ / 4¢ |
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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.