Residential Current Marginal Benchmark — September 2026
Service area: Appalachian Power West Virginia service territory
Rate version: September 1, 2026 residential examples · verified 2026-09-29
Fixed charges cancel in the 1,000-to-2,000 kWh incremental benchmark.
| Season | Period | Hours | Rate |
|---|---|---|---|
| Current | Current marginal benchmark | All hours | 16.1460¢/kWh |
Modeling boundary
Appalachian Power publishes September 2026 residential examples of $183.07 at 1,000 kWh and $344.53 at 2,000 kWh. CalcuRiver uses the incremental $161.46 between those examples as a 16.146¢/kWh current marginal benchmark, which cancels fixed charges but is not a full tariff reconstruction.
Official sources
EV charging cost examples on Appalachian Power WV
Vehicle-specific pages below apply Residential Service — incremental bill-example benchmark to each EV’s verified charging-efficiency profile and compare it with the West Virginia statewide average.
How Appalachian Power WV differs from the West Virginia average
Eligibility / billing boundary: Appalachian Power publishes September 2026 residential examples of $183.07 at 1,000 kWh and $344.53 at 2,000 kWh. The difference implies a 16.146¢/kWh incremental benchmark across the 1,000→2,000 kWh interval, cancelling fixed monthly charges. Taxes are excluded by the utility.
The state average is a benchmark, not a substitute for this tariff. A low or high encoded period is a marginal energy price and should not be interpreted as a complete monthly bill unless the page explicitly says whole-bill modeling is supported.
Official source: Appalachian Power West Virginia residential usage-and-cost examples.
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Calculator-safe for supported marginal/period calculations, but not a complete monthly bill reproduction.
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