Natural Gas Utilities — South Dakota
Service-area summaries are high-level and do not guarantee service at a specific address. Contact the listed utility directly for address-level eligibility.
3 published results
- MidAmerican Energy Company
Investor-Owned · Major Regulated
States served: South Dakota
Customer classes: Commercial, Residential
Last confirmed: August 27, 2026
Service area (high-level): Natural gas distribution in South Dakota communities served under SDPUC-jurisdictional gas tariffs.
View utility details - Montana-Dakota Utilities Co.
Investor-Owned · Major Regulated
States served: South Dakota
Customer classes: Commercial, Residential
Last confirmed: August 27, 2026
Service area (high-level): Natural gas distribution in South Dakota communities under SDPUC Volume No. 3 gas rate schedules.
View utility details - NorthWestern Energy Public Service Corporation d/b/a NorthWestern Energy
Investor-Owned · Major Regulated
States served: South Dakota
Customer classes: Commercial, Residential
Last confirmed: August 27, 2026
Service area (high-level): Natural gas distribution in South Dakota (~49,800 gas customers per SDPUC NG24-005 stipulation).
View utility details