Black Hills Corp seeks $26.7 million in Colorado rate review
Black Hills Corp. filed a rate review application with the Colorado Public Utilities Commission to recover $184 million in infrastructure investments. The utility is requesting $26.7 million in new annual revenue, based on a 10.5% return on equity, with new rates targeted for the first quarter of 2027.

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Black Hills Corp. filed a rate review application with the Colorado Public Utilities Commission to recover $184 million in critical infrastructure investments made since its last review. The utility is seeking $26.7 million in new annual revenue to support the delivery of safe and reliable electric service to over 102,000 customers in Southern Colorado. The request aims to fund grid improvements and generation infrastructure additions completed in 2024.
The filing outlines a capital structure consisting of 51.02% equity and 48.98% debt, with a proposed return on equity of 10.5%. Black Hills Corp. intends to implement the new rates in the first quarter of 2027. The application cites necessary capital infrastructure and operational costs required to maintain the electric system.
Linn Evans, president and CEO of Black Hills Corp., stated that the request supports the company's ability to make required investments. Evans noted that investments to replace aging infrastructure have resulted in fewer interruptions for customers in Colorado. The proposed rate increase is designed to ensure continued reliability and service quality.
Key Financial Details of the Filing
| Metric | Value |
|---|---|
| New annual revenue requested | $26.7 million |
| Total investments for recovery | $184 million |
| Return on equity | 10.5% |
| Equity portion of capital structure | 51.02% |
| Debt portion of capital structure | 48.98% |
| Target implementation date | First quarter of 2027 |
Black Hills Corp. serves 1.37 million natural gas and electric utility customers across eight states, including Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota, and Wyoming. The company is headquartered in Rapid City, South Dakota.
How might the Colorado Public Utilities Commission's view on the 10.5% return on equity compare to recent approvals for other utilities in the state?
What specific grid modernization technologies or resilience measures are prioritized in the $184 million investment plan for Southern Colorado?
Could the outcome of this Colorado rate case influence the timing and strategy of similar rate reviews in Black Hills Corp.'s other seven operating states?























