
Master-Level Solutions to Keep Your Home Powered, Protected, and Prepared.
Power & Reliability
Generator & Panel Experts in NH
From increasing electrical loads to unpredictable New England weather, your home requires a resilient power system. Evergreen Electrical is a BBB Accredited business, specializing in Master-level electrical service upgrades, sub-panel installations, and comprehensive generator solutions. Whether you are modernizing an older home or preparing for storm season, we ensure your electrical "heart" is safe, organized, and built for maximum reliability.



Portable & Standby Generator Installations
Be prepared for the next New Hampshire power outage with a backup solution tailored to your home. We specialize in:
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Standby Generators: Fully automated systems for seamless power restoration.
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Portable Generator Interlock Kits: A safe, code-compliant way to power your home’s essential circuits without dangerous extension cords.
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Transfer Switches: Professional installation to ensure your backup power is isolated from the grid, protecting both your home and utility workers.
Electrical Panel Repairs & Upgrades
Your electrical panel is the heart of your home. If you have a flickering lights, a crowded fuse box, or an outdated Federal Pacific or Zinsco panel, it’s time for an upgrade. We provide:
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200-Amp Service Upgrades: Increase your home’s capacity for modern appliances, heat pumps, and EV chargers.
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Panel Organization & Labeling: Improving safety and ease of use.
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Safety Inspections: Ensuring every connection is torqued to spec and heat-free.
Electrical Subpanels for Additions & Outbuildings
Expanding your footprint shouldn't compromise your power. We install dedicated electrical subpanels for:
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Garages & Workshops: Powering heavy tools and equipment safely.
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Barns & Outbuildings: Reliable and safe distribution for remote and sensitive structures.
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Home Additions: Ensuring your new space has the dedicated capacity it requires without overloading your main system.

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