Diesel Generator Installation
High-output backup power for homes, farms, and businesses—CJH Electrical installs rugged diesel generators throughout New England.
When You Need Serious Backup Power
Diesel generators are a tried-and-true solution for properties with high energy demands or where other fuel sources aren’t practical. Known for their reliability, longevity, and off-grid capabilities, diesel systems remain a preferred choice for rural homes, farms, and commercial sites.
CJH Electrical designs and installs diesel-powered backup systems that are built to run when it matters most.

Why Choose Diesel?
High power output
Ideal for large homes, outbuildings, and commercial applications
Fuel availability
Easily sourced and stored on-site
Rugged reliability
Long runtimes and powerful performance in extreme weather
Standalone Solution
Great for off-grid properties or areas without gas infrastructure
Long lifespan
Diesel engines are built to last with proper maintenance


Diesel Generator Services
System Planning & Load Calculations
We’ll help you size the right generator for your property
Generator Installation
Trusted brands and custom solutions available
Fuel Tank & Permitting Coordination
Above-ground and underground options
Transfer Switch Setup
Automatic and manual switching systems
Maintenance & Diagnostics
Keep your system running at its best
Ideal for:
- Agricultural and farm properties
- Large rural homes
- Commercial buildings and shops
- Backup for well pumps, barns, and mechanical systems
Areas We Serve
- Southern & Central New Hampshire
- Southern Maine
- Northeastern Massachusetts
CJH Electrical LLC
Manchester, NH
Licensed & Insured in NH, ME & MA
Ready to Power Up?
Let’s build a diesel generator system that meets your toughest demands.
Contact Us
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