Serving the Power Industry for over 25 years.
Our Services
Substation Testing & Maintenance
Transformer Field Services
Commissioning Services
Infrared Thermography Scanning
Recloser Maintenance
Voltage Regulator Maintenance
Circuit Breaker Maintenance
Fabrication Services
Protective Relaying Services
Power Quality/Disturbance Analysis
About Us
Facility and Equipment
Employment Opportunities
Contact Us
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Created in 1980, Electro-Test and Maintenance, Inc provides a wide range of substation maintenance services, including substation testing and commissioning services. From a circuit switcher, transformer, regulator, recloser, circuit breaker, protective relay, and battery system........ we can handle all your needs. We even provide power quality analysis and infrared inspections. We invite you to review our services in more detail, and check out our Doble Engineering and Cooper Power Systems links.
We work with clients in developing a substation preventative maintenance program to meet their requirements. If you have further questions or require references, please contact our office.
Cooper Power Systems Authorized Service Center

Current News
ETMI welcomes the following new clients:

• PPL-Montana

M&A Electric Power Cooperative - Poplar Bluffs, MO.

• Nebraska Public Power District.

• Flathead Electric Cooperative - Kalispell, MT.

Colorado Energy Mgnt at Hardin Generating Station - Hardin, MT.

ETMI awarded transformer field services and acceptance testing at WyGen II Unit 4 facility.

MidAmerican Energy Co. awards ETMI substation testing and commissioning contract.

The City of Jackson, MN awards ETMI a turnkey contract to provide (2) Delta Star units and field installation services.

ETMI awarded 345kV PacifiCorp Project equipment testing services.

NPPD awards ETMI Transformer Field Services Contract for (2) 345kV 400MVA

Tri-State G&T Western Colorado Division awards ETMI IR inspection services contract for 2008.

Basin Electric Power Cooperative - Laramie River Station awards ETMI Unit 3 relay upgrade project.

MidAmerican Energy Council Bluff Energy Center awards ETMI relay upgrade project.

ETMI providing transformer field services for PPL-MT Ryan Dam Hydro Facility.


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