ForgeAsset / Utilities / Duke Energy Progress

Duke Energy Progress LGS — EV fast-charging electricity cost

Duke Energy Progress LGS is the filed rate schedule ForgeAsset models for DC fast-charging sites in Duke Energy Progress territory in North Carolina. Energy prices at 6.5¢/kWh flat; the demand side bills $19.81/kW of monthly peak. For one reference Supercharger site held constant across the whole library, that works out to 48.8¢/kWh per dispensed kWh — rank 62 of 86 filed tariffs (1 = least expensive).

Modeled rates

Flat (non-time-differentiated) schedule — the three TOU rates carry the same bundled value. Demand is billed per kW of the site's monthly peak (15-minute measurement) and dominates the bill at this utility; the schedule's billed-demand ratchet and 1,000 kW availability floor are satisfied at the modeled billed peak. Rates fold in the Large General Service riders (including the $3.03/kW Joint Agency Asset rider) and North Carolina's 7% sales tax on electricity; North Carolina tax defaults apply on address resolve. A Duke NC rate case is pending, with new rates expected around January 2027.

The filed rate book for this territory records no EV-specific commercial rate, so the modeled cost is the standard schedule. Demand follows the model's conservative convention — 150 kW per stall billed every month, the worst-case coincident peak — so a site whose metered peak runs below that would see a lower demand line.

Source: Duke Energy Progress filed rate schedule. Rates are digit-verified against the utility's own filed sheets and update within two weeks of any revision; derivations are on the methodology page.

What the reference site pays here

Reference site: 8 Tesla V4 stalls at 235 kWh/stall/day (57,183 kWh dispensed per month), a 150kW per-stall demand assumption, the model's default time-of-use mix, and a 12% loss gross-up — identical to the full utility ranking, where this tariff sits at position 62 of 86.

The rest of the North Carolina picture

The tariff is one layer. State taxes, incentives, clean-fuels programs, and the charging market shape the remainder — Tesla Supercharger ROI in North Carolina covers them, and the US Supercharger Economics Map shows every US Supercharger over utility territories colored by this same effective-cost derivation.

Duke Energy Progress LGS — questions

What does Duke Energy Progress charge for energy on LGS?

The modeled rates are 6.5¢/kWh flat. At the model's default time-of-use mix (30% peak, 45% off-peak, 25% super-off-peak) that blends to 6.5¢/kWh.

Does LGS carry a demand charge?

Yes: $19.81/kW of monthly peak. For a reference 8-stall site at 150 kW per stall that comes to about $23,767 per month.

What does electricity cost per kWh dispensed on this tariff?

For the reference site — 8 Tesla V4 stalls dispensing 235 kWh per stall per day, with a 12% loss gross-up — the all-in utility cost works out to 48.8¢/kWh per dispensed kWh, rank 62 of 86 tariffs in the library (1 = least expensive).

ForgeAsset is software, not investment, tax, or legal advice — outputs are model estimates from your inputs, not guarantees. Rates current as of research; verify current terms with the utility's filed schedule before committing capital.