Black Hills Colorado Electric, LLC

What This Utility Data Tells You

Black Hills Colorado Electric, LLC is a 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. As an investor-owned utility, it operates under state public utility commission oversight that reviews rate cases and reliability performance.

In 2023, the average Black Hills Colorado Electric, LLC customer experienced 105.8 minutes of power interruptions — a metric called SAIDI (System Average Interruption Duration Index). That sits within the 120–180 minute national benchmark range, indicating performance typical of U.S. distribution utilities. SAIFI — the average number of outage events per customer — was 1.55 for the same period, so customers statistically faced roughly 2 distinct interruptions that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 87.4 minutes — the gap between that figure and the headline 105.8 reveals how much weather, not day-to-day infrastructure, drove outages.

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. All figures on this page come directly from EIA Form 861, the federal annual electric power industry survey, with service territory ZIPs sourced from OpenEI — you can cross-reference them with your own utility bill or use them when comparing providers before relocating.