Expert Commercial & Industrial Generator Troubleshooting Services

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Fast, Accurate Generator Diagnostics for Your Business

When your generator malfunctions, your operations can grind to a halt. At Electrical Technology Solutions, we specialize in troubleshooting commercial and industrial generators across New Hampshire and Massachusetts. Whether your generator won’t start, runs erratically, or trips under load, our team identifies the issue quickly and provides actionable solutions to restore full operation.

Large industrial generators installed in a commercial facility – part of ETS generator sales services in New England
ETS technician inspecting and troubleshooting an industrial generator control panel inside a facility

Comprehensive Troubleshooting for Complex Systems

Generators in commercial and industrial settings are often integrated with automatic transfer switches, fuel systems, load-sharing controls, and facility management systems. Our technicians are trained to diagnose faults across all these subsystems. From fuel delivery problems and voltage irregularities to ECU (Engine Control Unit) issues and control panel failures, we isolate root causes and prevent recurring issues.

Scheduled Maintenance & Preventive Care

On-Site Generator Diagnostics & Testing

We arrive with fully equipped service vehicles to perform real-time diagnostics on your generator. Using advanced tools like thermal imaging, engine analyzers, and load bank testers, we assess electrical performance, fuel delivery, cooling systems, and more. Our team checks all fault codes, safety interlocks, and power outputs to pinpoint failures—so you can avoid guesswork and costly downtime.

Hydroelectric control panel with PLC display inside a power station – part of ETS control system installation and service
ETS technician inspecting outdoor generator control unit with tablet during excitation troubleshooting in fenced industrial site

Troubleshooting All Major Generator Brands

ETS services all major commercial and industrial generator brands, including Generac, Kohler, Cummins, Caterpillar, and MTU. Whether you’re running a diesel, natural gas, or hybrid power system, our team understands each manufacturer’s specifications, software, and common fault patterns. We also provide support for legacy and discontinued models still in use at many facilities.

ETS technician inspecting outdoor generator control unit with tablet during excitation troubleshooting in fenced industrial site

Serving Mission-Critical Industries Across New England

We support healthcare facilities, municipal infrastructure, data centers, manufacturers, and more with professional-grade generator diagnostics. Our technicians understand the high stakes and regulatory pressures of mission-critical power systems. We serve clients across NH and MA with fast dispatch, expert knowledge, and proven reliability.

For ongoing support, explore our generator service plans that include maintenance, inspections, and performance testing.

Hydroelectric control panel with PLC display inside a power station – part of ETS control system installation and service
ETS technician inspecting outdoor generator control unit with tablet during excitation troubleshooting in fenced industrial site

24/7 Emergency Troubleshooting & Support

If your generator fails outside of business hours or during a storm, you can count on ETS for 24/7 emergency troubleshooting and support. Our rapid response team is available any time, day or night, to diagnose and address urgent issues. We help businesses avoid prolonged outages and costly losses by resolving problems on the spot.

Testimonials

What Our Customers Say About Electrical Technology Solutions

Facility managers and plant operators across New Hampshire, Vermont, Maine, Massachusetts, New York, Connecticut, and Rhode Island trust ETS for fast, expert solutions in generator service, hydroelectric controls, and power automation. With unmatched troubleshooting skills and industry experience, we consistently deliver results our clients depend on—every time.

Simon R.

Hydroelectric Superintendent

5‑star customer rating for ETS testimonial from Simon R.

“ETS is comprised of dedicated, hardworking and ambitious individuals totally committed to their craft. Their goal is to provide the best product they can, and they work diligently to make sure you are happy with the product and the product is reliable. As a superintendent of a hydroelectric plant, every day reveals another problem either as a failure of a component or new rules to follow that require different automation schemes. ETS is fully capable in all phases of project. I have yet to find something that is out of their wheelhouse and trust me, I have a lot of ideas."

Andrew S.

Plant Manager

5‑star customer rating for ETS testimonial from Andrew S.

“I have been working with the ETS team for 5+ years on electrical and electrical control projects in a Hydroelectrical power plant. Ranging form panel refurbishments, troubleshooting and testing, PLC programming and major commissioning and electrical restoration projects. Scott, his engineers and electricians have immediate responses to my needs limiting my generation downtime. Day or night the work is done promptly, safely, and on time. Communication and workmanship are both fantastic. I can't speak highly enough about the knowledge that ETS brings to the table for our various plant systems. ETS is always my first call when dealing with issues throughout the plant.”

Electrical Technology Solutions Service Area

Just A Few Of The Areas We Serve...

Brookline

Hollis

Milford

Amherst

Windham

Bedford

Electrical Technology Solutions Service Area

Just A Few Of The Areas We Serve...

Generator Business

Vermont

Maine

Hydroelectric Business

Vermont

Maine

New York

Conneticut

Rhode Island

Electrical Technology Solutions

Your Trusted Generator & Power Control Experts in New England

Delivering expert generator service, hydroelectric power control, and excitation system solutions with unmatched skill and care. ETS proudly serves commercial and industrial clients across NH, VT, ME, MA, NY, CT, and RI—offering fully licensed, factory-certified service and free estimates you can rely on.

FAQs

Answers to Your Top Generator & Power System Questions — We’re Here to Support Facilities Across New England!

What are common signs my generator needs troubleshooting?

Warning lights, fault codes, failed startups, uneven voltage, or unexpected shutdowns are all indicators your generator needs a diagnostic inspection.

How quickly can you respond to an emergency call?

We offer 24/7 emergency response across NH and MA. In most cases, we can dispatch a technician the same day—or within hours.

Will I receive a report after troubleshooting?

Yes, we provide a detailed service report outlining the cause of the issue, repairs made, and recommendations for preventing future problems.

Do you offer remote monitoring or predictive troubleshooting?

Yes, for some systems we can install remote monitoring tools that provide alerts and performance data to catch problems early.

Can you troubleshoot systems integrated with ATS or UPS equipment?

Absolutely. We have experience with complete standby power setups, including automatic transfer switches, UPS systems, and parallel configurations.

Do you troubleshoot rental generators or temporary systems?

Yes, we can diagnose and service temporary generator setups often used on construction sites or at events.

CONTACT Electrical Technology Solutions

Expert Generator & Power Control Services Across New England — Book Your Free Estimate Today

Protect your facility with expert generator service, excitation system repair, and hydroelectric control support. Whether it's an emergency fix or a long-term upgrade, ETS offers fast, certified service to help you avoid costly downtime and keep operations running smoothly.

“At ETS, we offer free, no-obligation estimates to help you plan confidently. Our fully insured and factory-certified team proudly serves NH, VT, ME, MA, NY, CT, and RI—delivering high-quality, efficient results, every time.”

ETS Electrical Technology Solutions company logo – trusted generator and hydroelectric service provider in New England

Energizing with ETS—your trusted partner for generator systems, excitation repair, and hydroelectric control services across New England. Headquartered in Bow, NH, we proudly serve NH, VT, ME, MA, NY, CT, and RI with over two centuries of combined, proven field expertise and reliability.

Get in Touch

1357 Route 3A Unit C Bow NH 03304

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