ForgeAsset / Utilities / Duke Energy Carolinas

Duke Energy Carolinas LGS — EV fast-charging electricity cost

Duke Energy Carolinas LGS is the filed rate schedule ForgeAsset models for DC fast-charging sites in Duke Energy Carolinas territory in North Carolina. Energy prices at 10.2¢/kWh flat; the demand side bills $5.16/kW of monthly peak. For one reference Supercharger site held constant across the whole library, that works out to 22.3¢/kWh per dispensed kWh — rank 17 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 (30-minute measurement); the schedule's billed-demand ratchet equals the current-month peak under the model's constant billed-peak assumption. Rates fold in the general-service rider stack 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.

Source: Duke Energy Carolinas 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 17 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 Carolinas LGS — questions

What does Duke Energy Carolinas charge for energy on LGS?

The modeled rates are 10.2¢/kWh flat. At the model's default time-of-use mix (30% peak, 45% off-peak, 25% super-off-peak) that blends to 10.2¢/kWh.

Does LGS carry a demand charge?

Yes: $5.16/kW of monthly peak. For a reference 8-stall site at 150 kW per stall that comes to about $6,189 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 22.3¢/kWh per dispensed kWh, rank 17 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.