Generator Installation & Service For Maryland, DC, VA, PA & WV

Long Electric specializes in commercial and home generator installation and service for those in and around Maryland, DC, Virginia, Pennsylvania and West Virginia. We can install anything from 8KW air-cooled generators all the way up to 150KW liquid-cooled generator systems.

Looking to engage in a service agreement? Download our Service Agreement and get in touch with us.

Power. Our lives depend on it. From everyday necessities like heating, cooling, refrigeration and lights, to daily essentials like cooking, laundry or kids’ bath times. Power outages are occurring more frequently than ever and lasting longer with devastating effects. Stand up to unpredictable weather and unforeseen outages with the most trusted name in residential standby power. If the power ever goes out, your Generac back-up generator goes on – automatically – protecting you and your home 24/7.

No matter where you are in the Maryland or greater DC area, losing power for even a few hours can mean thousands of dollars in lost revenue to your business. Security systems go down, refrigerated goods spoil, and customers are turned away. Generac revolutionized the commercial generator market with the first standby generators powerful enough to back your entire business without the cost of expensive configured systems. Keep your business open with a competitive advantage. These commercial generator systems are also ideal for large residential needs. Diesel Models Available from 10kW and up.

Consider the mission-critical businesses that require automatic standby power. Hospitals, data centers, 911 call centers. Generac’s range of industrial solutions has been proven dependable in the most severe power outage situations. If your business can’t afford to be without power for even a second, you need Generac for reliable automatic standby power. Diesel Models Available from 10kW and up.

Get power when and where you need it, no matter where you go. Generac’s rugged, dependable portable generators are designed to deliver power wherever you are — from tailgate parties to construction sites. With sizes up to 17500 watts, you can take your power with you wherever you need it.

What do you think about on your RV vacation… your next hike? Mapping the route to your next destination? Whatever your thoughts are, don’t worry about power with your Generac RV generator. Because we’ve been serving RV customers for over 35 years, we know reliability is the number one feature you require. These units are powered by Generac’s proven OHVI® engine and engineered specifically for the unique needs of recreational vehicles. Generac RV generators perform in all altitudes, under all conditions, for worry-free travels.