BMW
2025 · xDrive50 high-efficiency reference · Duke Energy Carolinas

BMW iX charging cost with Duke Energy Carolinas in North Carolina

Using CalcuRiver’s current verified Duke Energy Carolinas Schedule RS Residential Service (NC) rate at 14.37¢/kWh, 1,000 miles/month for BMW iX is estimated at $58.33 in wall electricity — $3.22 less than the North Carolina statewide-average result.

EV Cost Result
Location14.37¢/kWh

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Utility default: Duke Energy Carolinas · Schedule RS Residential Service (NC) · Current flat verified energy rate · last verified 2026-09-28
North Carolina residential rate15.16¢/kWhEIA · 2026-07 · preliminary
vs U.S. average-17.2%U.S. average 18.31¢/kWh
year over year+13.4%vs July 2025
national rank#36highest residential price
Result explained

Why this number?

Calculation

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Rate used

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U.S. comparison

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Boundary

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Actual tariff intelligence

Duke Energy Carolinas Schedule RS Residential Service (NC): charging-window rate used

Current flat verified energy rate. The result is computed from the verified schedule rather than treating one advertised period as a universal flat rate.

Utility tariff details →

Effective charging rate

Weighted rate14.37¢/kWh
BMW iX · 1,000 mi/month$58.33/mo
State-average comparison$3.22 lower/mo

Tariff window breakdown

Current verified energy rate14.37¢/kWh

Rate version cr.duke-energy-carolinas.standard-residential.2026-09.v1 · effective 2026-09-01 to open · last verified 2026-09-28.

Boundary. This is a marginal charging-energy estimate. Fixed charges, taxes, riders and account-specific adjustments remain separate unless explicitly modeled.

What is being calculated?

Vehicle efficiency2.46 mi/kWh
Utility reference14.37¢ scheduled effective
Battery reference111.8 kWh

MPGe-backed vehicles use the EPA 33.7 kWh/gallon-equivalent conversion; EPA says the MPGe label value already includes charging losses, so CalcuRiver does not add another default loss. Where a manufacturer source gives usable battery and EPA-estimated range but not MPGe, the reference efficiency is battery ÷ range and a 10% wall-loss assumption is applied by default.

cost = miles × 0.406024 kWh/mile × 1.00 × $0.14367/kWh

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Vehicle sourceU.S. DOE Alternative Fuels Data Center

Battery reference: 111.8 kWh. Data reviewed 2026-09-28.

Open source →
Utility reference ≠ complete bill. This estimate applies the encoded marginal energy reference for Duke Energy Carolinas. Fixed charges, taxes, account-specific riders, eligibility rules and unmodeled bill components remain separate unless the tariff engine explicitly models them.

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