Black Hills Colorado Electric, LLC

What This Utility Data Tells You

Black Hills Colorado Electric, LLC is an investor-owned utility operating in Colorado under EIA identifier 56146. It reports service to approximately 101,100 customer accounts and generated about $0.25 billion in annual electric revenue, with a service footprint spanning 72 ZIP codes. Investor ownership puts this utility under the regulatory authority of the state public utility commission, which reviews its rate requests and reliability record.

In 2023, the average Black Hills Colorado Electric, LLC customer experienced 105.8 minutes of power interruptions, a measure known as SAIDI, or System Average Interruption Duration Index. That keeps this utility below the typical 120–180 minute national benchmark, consistent with a well-hardened distribution system and fast restoration crews. Over the same period, SAIFI (outage events per customer) was 1.55, putting the typical customer at roughly 2 distinct interruptions that year. Once major event days (hurricanes, ice storms) are excluded, SAIDI comes down to 87.4 minutes, and the spread against the headline 105.8 indicates how much weather, versus routine infrastructure, drove the outage total.

The EIA dataset includes 4 years of continuous reporting (2020–2023) for Black Hills Colorado Electric, LLC, which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has increased from 74.1 to 105.8 minutes, which may reflect either worsening weather exposure or delayed grid modernization.