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In-person · Pueblo, COElectrical safety training in Pueblo, CO
Pueblo makes steel on a mill powered almost entirely by its own 300 MW solar field, and it is home to Comanche 3, Colorado's newest and largest coal unit. We train the electrical crews who keep Pueblo's mill, power plants and factories running, at your facility or in an in-person class we set up in Pueblo when you ask.
Private employers in Colorado are inspected by federal OSHA. Every class is live, on the 2027 edition of NFPA 70E, and taught by a Certified Safety Professional. Colorado electrical safety training requirements →
Among the teams we have trained in the last year
Four ways to train your Pueblo crew
Crews we train in and around Pueblo: steel, power generation, solar, heavy manufacturing, hospitals, public employers.
What the class covers for Pueblo crews
OSHA found a 2024 death at the Pueblo mill came from rail machinery that had not been locked out. We teach establishing an electrically safe work condition as a verified state, not a checkbox, and tie it to mechanical isolation.
A 300 MW array next to a steel mill means DC collection, inverters and medium-voltage switchgear inside a plant fence. We cover PV and battery hazards alongside the mill's AC distribution.
Coal unit repairs bring large contract crews into generating stations on tight schedules. We cover host and contractor duties and the job briefing for switching and clearance work.
Wind tower fabrication runs heavy welding power supplies, rollers and overhead cranes. We adjust examples for welding circuits and crane conductors.
Pueblo at a glance
Federal OSHA (Englewood Area Office)
Black Hills Energy; Xcel Energy (steel mill and Comanche)
Statewide (Colorado State Electrical Board, DORA)
PUB, COS
Mountain
Colorado: what applies to your crews
Enforcement: federal OSHA
Pueblo County is handled by federal OSHA's Englewood Area Office, and Colorado has no state plan of its own. City, county and school electricians in Pueblo have no OSHA protection, which makes a written program their only safety structure.
Licensing: statewide
DORA's State Electrical Board licenses Colorado electricians at three levels: residential wireman, journeyman and master. Continuing education is required for renewal and focuses on NEC changes, not on safe work practices.
Where NFPA 70E fits
OSHA does not enforce NFPA 70E. A Pueblo mill or power plant uses it to demonstrate how it meets OSHA 1910 Subpart S, 1910.269 and 1910.147, and OSHA can cite the General Duty Clause for a recognized hazard no standard covers.
Pueblo's electrical work environment
The steel mill that Colorado Fuel and Iron built still defines Pueblo. Evraz bought it in 2007 for $2.3 billion, and Evraz Rocky Mountain Steel employs about 931 people making rail. Since 2021 the mill has drawn power from Bighorn Solar, more than 750,000 panels on about 1,800 acres of mill land, under an arrangement where Xcel Energy buys the output and supplies the mill as its largest retail electric customer in Colorado.
Power generation is the second industry. Xcel's Comanche Generating Station south of the city lost Unit 3, the state's newest and largest coal unit, to an unexpected outage on August 12, 2025, and regulators let Unit 2 run through 2026 while repairs went on. Comanche 3 is scheduled to retire on January 1, 2031. The 156 MW Comanche Solar project sits on about 1,000 acres seven miles south of town.
Manufacturing and health care fill out the rest. CS Wind bought Vestas's wind tower factory of nearly 700,000 square feet in 2021, and Trane Commercial Systems employs about 760. UCHealth Parkview Medical Center is the city's largest employer with about 4,293 staff. East of town, the Army finished destroying the chemical weapons stockpile at the Pueblo Chemical Depot in June 2023 and decommissioned the depot in September 2024, and it is now being redeveloped as PuebloPlex.
Steel, coal, solar and tower plants on the Arkansas River
Pueblo packs a steel mill, Colorado's largest coal station and some of its biggest solar projects into one county. These sites carry most of the heavy electrical work.
| Site | What is there | Status |
|---|---|---|
| Rocky Mountain Steel mill Evraz | Former CF&I mill with about 931 employees, bought by Evraz in 2007. | Operating |
| Bighorn Solar Lightsource bp | 300 MW array on about 1,800 acres of mill property, sold to Xcel under a 20-year agreement. | Operating |
| Comanche Generating Station Xcel Energy | Unit 3 has been offline since August 2025; Unit 2's retirement was pushed to the end of 2026. | Operating |
| Comanche Solar Not disclosed | 156 MW, 500,000 panels on about 1,000 acres south of Pueblo; broke ground in 2015. | Operating |
| Pueblo wind tower plant CS Wind | Nearly 700,000 square foot tower factory bought from Vestas in 2021. | Operating |
| Trane Commercial Systems Trane | HVAC manufacturing with about 760 employees. | Operating |
| PuebloPlex (former Pueblo Chemical Depot) PuebloPlex | Army depot decommissioned in September 2024 and slated for redevelopment, possibly including solar. | Planned |
Black Hills Energy, Xcel and the Comanche repairs
Black Hills Energy holds the electric franchise for the City of Pueblo, approved by voters in 2010 for 20 years. The city has committed to 100 percent renewable electricity by 2035, and some residents have pushed for a city-owned utility after repeated rate increases. Xcel Energy serves the steel mill directly and owns the Comanche station.
Comanche 3 broke down in August 2025. Xcel put the total repair cost between $15 million and $26 million and expected the unit back in mid-July 2026, while the Colorado PUC kept Comanche 2 running to cover the gap. For electricians, that has meant extended outage and repair work inside a generating station that was supposed to be winding down.
Who we train in Pueblo and Southern Colorado
Mill electricians and maintenance crews at the Rocky Mountain Steel mill.
Plant and contract crews at the Comanche station during repair and outage work.
Operations and maintenance technicians at Bighorn Solar and Comanche Solar.
Plant electricians at CS Wind's tower factory and Trane Commercial Systems.
Facilities teams at UCHealth Parkview Medical Center and the state mental health hospital.
City of Pueblo, Pueblo County and school district electricians, with no OSHA coverage in Colorado.
Also serving
Questions from Pueblo employers
Our mill already has a lockout program. Why add NFPA 70E training?
Can you train contract crews brought in for a power plant outage?
Does your class cover solar fields?
We are a Pueblo County department. Does OSHA apply to us?
Does finishing the class make someone a qualified electrical worker?
What the people in the room say
“Virtual can never replace hands-on, but the engagement from our instructor and the class made it feel more engaging than some in-person courses I've taken.”
“Probably one of the most useful safety courses I've ever attended. Rick genuinely cares about people and their well-being.”
“This is the 2nd arc flash training course I've taken and the class was amazing. I feel like I'm leaving the training safer than before I took this class.”
Train your Pueblo crew on the 2027 edition.
Onsite within a few days, or private live virtual as soon as tomorrow. Need it fast? Call (813) 725-0999.