- Services
Turn-Key Solar
From engineering and sourcing to wiring, installation and ongoing maintenance, we can handle it all, making solar a worthwhile investment for you.
Project Types
- Services
Turn-Key Solar
From engineering and sourcing to wiring, installation and ongoing maintenance, we can handle it all, making solar a worthwhile investment for you.
Project Types
Saving Arizona Time, Money and Hassle with Quality Commercial Solar Solutions and Dependable Service, Since 1999.
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Trusted EPC Partner for Commercial Solar & Electrical you can depend on.
Trusted by Arizona’s leading EPCs & GCs since 1999 for millions of watts of quality commercial solar, done right.
Dependable Partner Work Reputation Team Solar ROI Electrical Period. >>
Why Arizona's Best EPCs & GCs Partner With Watt Masters.
Your reputation depends on every subcontractor you bring to a project. With Watt Masters, you get an experienced partner who thoroughly understands commercial solar and electrical — and the standards EPCs and GCs expect.
For over two decades, we’ve been the behind-the-scenes solar electricians and installation experts trusted by developers all across Phoenix, Arizona.
From solar parking lot canopies to utility-scale ground-mount projects, small offices to multi-megawatt distribution centers, we handle the critical wiring, conduit, panel mounting, and system integration—safely, efficiently, and always to spec.
- Licensed, Bonded & Insured.
- Solar since 1999, one of AZ's first.
- Efficient, Dependable, In-House Team.
150 +
Projects Completed
150000 +
Panels Installed
635 +
5★ Reviews
What They Say About Us
Several Commercial Projects
Rick Cibik, Fort McDowell AdventuresI have been working with Tom Buehler for the past thirteen years. They have completed several commercial projects for our business. It is rare to find such a professional company that offers outstanding customer service along with quality workmanship.
EPC Partner - Several Commercial Solar Installs & Wiring
Don Herman, Empire Renewable EnergyPlease consider this an enthusiastic recommendation for Watt Masters, whom I've worked with on several solar projects since 1998. What you can expect: work is fully understood, effort, material and equipment thoroughly known, and quality and pace will meet or exceed that of the most costly contractors. If you look at SolarByEmpire.com, we teamed on 80% of the projects.
GC Partner on Countless Projects
Brett Burns, Empire Power SystemsPlease accept this as a strong recommendation. Tom has demonstrated his skill in many solar applications, from small to very large (2.4MW), and earner the trust of myself and our entire organization. From a GC and Solar Integrator, they're professional and reliable, and their work is exceptional in quality and value. With $1m+ completed, we plan to keep using them as our primary contractor.
Solar EPC Company Phoenix, Arizona
Frequently Asked Questions
What Is a Solar EPC Company in Phoenix, Arizona?
A solar EPC company manages the full process of a commercial solar project from start to finish. EPC stands for Engineering, Procurement, and Construction. That means the company handles system design, equipment sourcing, permitting, installation, electrical integration, and final commissioning. For Phoenix businesses, working with a solar EPC company simplifies the process and keeps the project organized under one experienced team.
What Services Does a Solar EPC Contractor Provide?
Ground-mount solar installation starts with a site assessment to evaluate available land, sun exposure, soil conditions, and energy usage. The system is then designed for the best tilt and orientation, installed on engineered racking, and connected to the building’s electrical system. In Phoenix, ground-mounted solar is often ideal for properties that need larger systems than a rooftop can support.
What Does EPC Stand for in Solar Projects?
EPC stands for Engineering, Procurement, and Construction. In commercial solar, it refers to the full-service process of designing, sourcing, and building a solar energy system.
What Is Included in Turnkey Solar EPC Services in Phoenix?
Turnkey solar EPC services in Phoenix usually include everything needed to take a project from concept to completion, including site analysis, system design, engineering, equipment sourcing, permitting, installation, electrical work, utility coordination, and final system startup. For business owners, turnkey service means fewer moving parts, clearer communication, and a more efficient project overall.
How Much Does a Commercial Solar EPC Project Cost in Phoenix?
The cost of a commercial solar EPC project in Phoenix depends on system size, site conditions, equipment, electrical complexity, and overall project scope. Every project is different, which is why commercial solar pricing should always be based on a detailed assessment rather than a rough guess. A strong EPC partner will provide a custom proposal that clearly outlines costs, expected savings, and projected ROI.
How Does Solar EPC Improve Long-Term Energy Savings?
A well-run EPC project improves long-term energy savings by making sure the system is designed correctly, installed to code, and optimized for production from day one. Better engineering, better equipment, and better installation all lead to stronger performance, fewer problems, and more reliable savings over the life of the system.
How Does an EPC Solar Company Manage a Project from Start to Finish?
A solar EPC company manages the project by coordinating every major phase under one roof. That includes planning, design, engineering, procurement, installation, testing, and activation. For Phoenix businesses, this reduces delays, improves accountability, and helps ensure the project stays on budget, on schedule, and built for long-term success.
Ways to Partner With Us
Watt Masters, as a trusted solar EPC company, has completed countless small to large-scale solar projects with Arizona’s best EPCs and GCs. You can depend on our 100% in-house team to keep your project moving and profitable—from day one to final inspection.
Complete Turn-Key Solar Panel Systems
From design and engineering to wiring, panel installation, and system commissioning—we can handle it all.
Solar Panel Installation Services
Already have plans or an EPC partner? We’ll jump in as your trusted solar installation subcontractor.
Solar Electrical Wiring Services
We can handle only the electrical work up to the panels—including tie-ins, conduit runs, and power distribution.
- Let's Discuss a Partnership:
When you partner with Watt Masters, a leading EPC partner for commercial solar projects in Arizona, you’re not just hiring a subcontractor—you’re bringing in a proven team that knows commercial solar inside and out. From wiring to installation, we do the job right, so your project runs smoothly, safely, and to code.
What Sets Us Apart
100% In-House Professionals
No day labor or subcontractor hassles. Only Watt Masters pros.
Deep Electrical & Solar Expertise
Decades of solar and electrical experience.
Commercial-Scale Solar Specialists
On the roof, ground, canopies & more, we excel in all.
Safety & Compliance Guaranteed
No corner-cutting, we exceed all standards.
Partnerships That Last
We build trusted partnerships, project after project.