PacifiCorp (Rocky Mountain Power / Pacific Power) is an investor-owned utility serving about 1,867,246 homes in Utah, Oregon, Wyoming, Washington, Idaho, California. Here's what its rates and export rules mean for solar: for a typical customer, solar is not worth it.
Net billing (reduced export credit) — about 4.3¢ per exported kWh, instantaneous netting.
Schedule 137: 4.855 c summer / 4.033 c winter (from 2026-03-01).
Schedule 137 Net Billing: imports billed at retail; all exported energy credited at seasonal flat rate; credits roll monthly and expire at end of annual period (March)
| System | 3.3 kW (50% of 816 kWh/month) |
|---|---|
| Cost | $11,750 |
| First-year savings | $589 |
| Payback | 20.6 years |
| 25-year net | $2,919 |
Uses the utility's average price; time-of-use plans can change this, so pick your plan in the calculator.
Rates we verified from PacifiCorp (Rocky Mountain Power / Pacific Power)'s tariff documents. Prices are per kWh including the main riders where noted; check your bill for the plan you're on.
Plan for solar customers. Effective 2026-08-10. Fixed charge $12.00/month.
| Period | Price |
|---|---|
| 12am–12am (4 months) | 13.9¢ |
| 12am–12am (8 months) | 12.3¢ |
Base: summer 9.8332c first 400 kWh / 12.5263c additional; winter 8.7020c first 400 / 11.0852c additional. All-in (x1.1094): summer 0.1091 / 0.1390; winter 0.0965 / 0.1230. Period rates show the >400 kWh (marginal) block.
Plan for solar customers. Effective 2026-08-10. Fixed charge $12.00/month.
| Period | Price |
|---|---|
| 6pm–10pm (4 months) | 37.3¢ |
| 12am–6pm, 10pm–12am (4 months) | 8.3¢ |
| 6pm–10pm (8 months) | 33.0¢ |
| 12am–6pm, 10pm–12am (8 months) | 7.3¢ |
EIA-861, 2025.
Schedule 137: 4.855 c summer / 4.033 c winter (from 2026-03-01). Exported power is credited at about 4.3¢ per kWh.
Residential customers paid an average of 14.4¢ per kWh in 2025 (EIA), about 14.7¢ adjusted to 2026. The typical home uses 816 kWh a month, a bill of about $120.
For a typical customer, solar is not worth it: a 3.3 kW system costing about $11,750 pays back in about 20.6 years, with $2,919 net over 25 years.
About 110,944 homes had net-metered solar at the end of 2025, roughly 5.9% of residential customers (EIA-861).
Legal name: PacifiCorp (EIA ID 14354). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026, utility tariff sheets.