- 285 Pulaski Street Riverhead, NY 11901
Standby Power Solutions
From humble beginnings as a one-man operation in 1965, Commander Power Systems has grown into the trusted choice for thousands of Nassau and Suffolk County residents and businesses each year.
With 24/7 coverage, your home stays powered through any outage, giving you confidence and comfort year-round.
No more reliance on extension cords or power strips—your home’s electrical system is fully supported, ensuring safe, reliable power.
Sized for easy expansion, a whole home generator accommodates future home upgrades without needing a larger system.
Who we are
We Are Long Island’s Leading Generator Service Provider
At Commander Power Systems, we partner with industry-leading manufacturers to provide reliable, high-quality power solutions for residential and commercial clients. Our factory-trained and certified team ensures every generator is expertly installed, sized for your needs, and optimized for maximum performance and efficiency.
How can we help you today?
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Join thousands of happy customers. Our trained experts ensure flawless service. Request a consultation today.
24/7
Support, 365 Days a Year
Why Choose us
Stay Powered, Stay Confident”
When you choose Commander Power Systems, you’re choosing reliability, excellence, and peace of mind.
Our team is certified by leading manufacturers for flawless installations and repairs.
Dependable generators backed by 24/7 maintenance and support.
Ensuring safe, reliable power solutions with certified installations and 24/7 support.
Over 60 years of expertise in delivering top-tier generator services.
Personalized care from your initial consultation to installation and ongoing maintenance.
Keep your operations running with commercial-grade generator solutions.
A Legacy of Growth and Trust
Under our strong leadership, Commander Power Systems has grown exponentially, expanding its team and acquiring several local companies to broaden its reach. Today, we proudly serve thousands of residential and commercial clients across Nassau and Suffolk counties.
With sixty years in business, we remain committed to the values that built this company: integrity, innovation, and unwavering dedication to our clients. From our white-glove service to 24/7 emergency support, we are in the business of keeping your business—and your life—powered without interruption.
Founded in 1965
The Commander Difference
We are more than a service provider—we’re your trusted partner in power, committed to excellence, reliability, and innovation for generations to come.
Family-Owned, Community-Focused:
Rooted in Long Island for nearly six decades, we understand the unique needs of our communities.
White-Glove Service
From the moment you call, we treat your generator and property with the care it deserves.
Proven Reputation
Emergencies don’t wait, and neither do we. Our team is always ready to answer the call.
Quality control before delivery
Thousands of loyal customers, from luxury homes to commercial enterprises, trust us to keep their power reliable year-round.
Whether you’re a new customer or have trusted Commander Power Systems for decades, your satisfaction is our top priority.
Our factory-trained and certified staff ensures every installation is flawless, every repair is meticulous, and every service is designed to keep your generator performing at its peak.
Commander Power Systems is proud to be factory trained and certified on the following manufacturer product lines
What Our Clients Say About Commander
We believe in delivering uninterrupted power with white-glove service and 24-hour support, so our clients have the power they need when they need it most.