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Powers Guaranteed Services New England’s standby power experts. Generators & energy storage systems for home & business. Guaranteed.
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Powers Guaranteed Services (PGS) is the premier standby power and energy storage provider for New England homeowners, businesses, and municipalities. Founded in 1994, and headquartered in Swanzey, New Hampshire, PGS specializes in the sale and installation of leading generator brands and energy storage systems, with turnkey installation and specialized service solutions to protect your investment. And it’s all from a single source; our team can manage and service your entire project including equipment, gas work, electrical installation, and maintenance. We partner with well-known brands such as Kohler, Cummins/Onan, Honda, Briggs & Stratton, and Generac, and we offer maintenance and repair services on all brands. Our entire team – from the highly-skilled, certified technicians to the knowledgeable office staff- offers prompt access to the highest quality customer experience with a Mission “To provide peace of mind through quality service.” Ensuring that The Power is On so life can move forward is all that we do, and we do it with the utmost integrity.

A reliable generator starts with proper maintenance! 🔧⚡ Routine inspections and preventive care help identify potential ...
10/13/2026

A reliable generator starts with proper maintenance! 🔧⚡ Routine inspections and preventive care help identify potential issues early, maintain efficient performance, and keep your backup power system ready when unexpected outages occur. 🏠🔋 Staying ahead of maintenance needs today can help prevent costly surprises tomorrow.

Keep your generator dependable and ready when you need it most with regular professional maintenance! 🛠️⚡

Early fall heatwaves and peak storm season push the electrical grid to its absolute limits. The reality? It’s not a matt...
10/13/2026

Early fall heatwaves and peak storm season push the electrical grid to its absolute limits. The reality? It’s not a matter of if the grid fails this month, but when. You don’t have to sit in the dark waiting for utility crews.

With a Briggs & Stratton PowerProtect+ standby generator, you take charge before the storm hits. Keep your A/C running, your food cold, and your family safe without missing a beat.

Send us a direct message today to see how easy it is to get storm-ready.

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Keep your generator ready to provide dependable backup power throughout the year. ⚡🔧 Annual preventive maintenance helps...
10/10/2026

Keep your generator ready to provide dependable backup power throughout the year. ⚡🔧 Annual preventive maintenance helps identify potential issues early, check system performance, and keep your generator prepared for unexpected outages. 🏠🔋 Regular service also helps maintain reliable operation and reduce the risk of problems when you need backup power most.

Stay prepared year-round with annual preventive maintenance from Powers Guaranteed! 🛠️⚡

During grid strain, you need a generator that delivers full power on your existing natural gas line. Most standard gener...
10/08/2026

During grid strain, you need a generator that delivers full power on your existing natural gas line. Most standard generators lose power output on natural gas, but the Briggs & Stratton PowerProtect+ series features exclusive NGMax™ technology to deliver 100% rated power. That means maximum appliance coverage for your home without compromise.

📩 Reach out to our team to find the perfect power match for your property

Preventative generator maintenance helps keep your backup power system ready before an outage occurs. ⚡🔧 Regular inspect...
10/07/2026

Preventative generator maintenance helps keep your backup power system ready before an outage occurs. ⚡🔧 Regular inspections and service can identify potential issues early, support proper operation, and help your generator perform reliably when you need it most. 🏠🔋 Routine maintenance also helps reduce unexpected problems and keeps your system prepared throughout the year.

Keep your generator dependable with professional preventative maintenance from Powers Guaranteed Services! 🛠️⚡

Think you don't have room for a standby generator? Think again! Standard generators require a bit of clearance, but the ...
10/06/2026

Think you don't have room for a standby generator? Think again!

Standard generators require a bit of clearance, but the PowerProtect 13kW is engineered with an exclusive front-facing exhaust system with a vertical design. This allows for safe, flexible installation closer to your home - perfect for small lots or picky HOAs.

📞 Contact our local team today to schedule a quick consultation! (833) 792-6033


Away from home when a severe storm rolls through? No problem.Smart home protection means you’re always in command. With ...
10/01/2026

Away from home when a severe storm rolls through? No problem.

Smart home protection means you’re always in command. With EnergyTrak connected to your generator, you get real-time status updates right on your smartphone. You’ll know the exact moment utility power drops—and the second your system takes over to keep your home safe.

• Check status anywhere
• Instant outage alerts
• 24/7 peace of mind

Give us a call today if you're ready to upgrade your home defense! (833) 792-6033

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Keep your generator ready before you actually need it! ⚡🔧 Regular maintenance helps your standby generator perform relia...
09/29/2026

Keep your generator ready before you actually need it! ⚡🔧 Regular maintenance helps your standby generator perform reliably, while routine inspections can uncover potential issues before they turn into unexpected problems during an outage. 🏠🔋 Consistent generator care helps protect your investment and keeps dependable backup power within reach.

Stay prepared for the next outage with professional generator maintenance from Powers Guaranteed Services! 🛠️⚡

Waking up to an uncharged EV because of a middle-of-the-night power outage can ruin your entire morning. SimpliPHI batte...
09/29/2026

Waking up to an uncharged EV because of a middle-of-the-night power outage can ruin your entire morning.

SimpliPHI battery storage and Briggs & Stratton PowerProtect+ standby generators keep your Level 2 charger running straight through overnight blackouts. Never miss a meeting or deal with commute chaos by waking up to a 100% charge every single day.

Give us a call today to learn more! (833) 792-6033

🛠️⚡ A professionally installed generator is built for more than simply turning on when the power goes out. Proper sizing...
09/25/2026

🛠️⚡ A professionally installed generator is built for more than simply turning on when the power goes out. Proper sizing, safe wiring, strategic placement, and precise system configuration help your backup power perform as intended while protecting your home’s electrical system. 🏠🔋

Make every part of your generator installation count with Powers Guaranteed Services. 💪⚡

Address

5 Business Center Drive
Swanzey, NH
03446

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

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