Xcel Energy (Northern States Power) – South Dakota (Northern States Power Co - South Dakota)
- Last verified (tariff snapshot)
- Feb 25, 2026
- Page updated
- Feb 25, 2026
Xcel Energy (Northern States Power) – South Dakota, operating as Northern States Power Co - South Dakota, is an investor-owned electric utility serving customers in South Dakota. Serves ~97,500 SD customers. Regulated by SD PUC. Rates at puc.sd.gov and xcelenergy.com.
This page brings together tariff-based rate information from our research, federal EIA statistics on sales and generation when available, and the cities and states this provider serves.
Residential rates
Tariff snapshot (Aberdeen, SD)
- Customer charge
- $15.00/mo
- Energy charge (example tier)
- 12.00¢/kWh
Seasonal/tiered rates and riders may apply. Example tier used in our estimates.
puc.sd.gov· verified 2026-02-25Example bill at 1,000 kWh (derived from tariff snapshot): $135.00/mo
Based on snapshot; excludes local taxes/fees; riders may vary.
For city-specific estimates (including water, sewer, trash), see Aberdeen's full breakdown
Our estimates use tariff and official rate data from utility and regulatory sources. See our methodology for how we calculate bill estimates.
States & cities served
Cities in our dataset where this provider offers electric service. Click through to see utility cost estimates for each city.
South Dakota
- Aberdeen Sd(used for tariff snapshot)
Data sources
- Our research: Tariff documents, PSC/regulatory filings, and official utility rate schedules. Each city page cites sources and last-verified dates.
- EIA (2024): Form 861 (sales, revenue, customers) and Form 860 (generation capacity by fuel). Supplementary context; our tariff-based rates remain primary for bill estimates.
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Understanding electricity costs
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