D2 Energy Employee Performing Generator Repair & Sales in SeattlePeace of mind, 24/7 knowledgeable service, and excellent support. That’s why homeowners, building owners, contractors, and engineers rely on the trusted expertise of D Square Energy to keep their generators up and running. Since 1990, D Square has focused exclusively on the sales and support of standby generator systems. As your single source for fully-integrated design, engineering, construction, and maintenance services, D Square is well-versed in what you need in a generator, ensuring peace of mind during power outages and brown-outs. Give us a call – we’re anxious to earn your trust by demonstrating the difference that our reliability, quality, and customer care can bring to your next project.

About D Square Energy

D Square Energy has been providing superior generator repair and sales in Seattle and surrounding areas. As the largest independent standby-power generator dealer in the Pacific Northwest, serving Washington and Oregon, we’ve learned what clients need and which generators perform best.

Customers Always Come First
With a focus on customer care from its inception, D Square has built a reputation for excellent client service and takes the responsibility of providing expert installation and continuing care seriously. With over 3,500 satisfied customers serviced annually, clients rely on the trained and ready team at D Square for specification and design, sales, installation and knowledgeable service and support.


Sales (WA and OR)sales@d2energy.com

Service & Partsservice@d2energy.com

Executive Teamd2@d2energy.com

Areas We Service