- 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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Commercial Solar Installation Services Arizona
We build high-performance commercial solar panel systems that slash operating costs and deliver dependable ROI for years to come.
Safe, Dependable ROI >>
Trusted by Quality-Minded Companies for Turn-key Commercial Solar Solutions
At Watt Masters, we do more than install solar panels—we engineer commercial solar systems built for efficiency, longevity, and peak ROI. From electrical design to expert installation, every step is handled in-house by our solar electricians who know how to do the job right.
- Licensed, Bonded & Insured.
- Solar since 1999, one of AZ's first.
- High-Performance Systems for Max ROI.
Rooftop Solar
From 20 kW to multi-megawatt commercial installs, rooftops are our specialty.
Solar Canopies
Cost-cutting solar carports & canopies for power, shade, and smart land use.
GROUND-MOUNT
Utility-scale or commercial—we handle small to large-scale ground-mounted installs.
Why Experience Trust Dependability Reputation Your Decision Matters >>
Don’t Risk Your Investment on Inexperience.
Solar is a long-term investment—cutting corners during installation costs you in the long run. Watt Masters brings over two decades of experience in solar and commercial electrical work. We’ve completed installs on everything from small office buildings to multi-megawatt warehouse rooftops—and we get it right the first time.
150 +
Projects Completed
150000 +
Panels Installed
635 +
5★ Reviews
Ways to Work With Us
As one of the leading commercial solar installation companies in Arizona, we offer flexible commercial solar solutions delivered by expert commercial solar installers in Phoenix, Arizona. Whether you need a full turn-key partner, expert electrical wiring, or a dependable subcontractor to handle critical install phases with precision.
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.
We can handle only the electrical work up to the panels—including tie-ins, conduit runs, and power distribution.
- Let's Discuss Your Solar Project:
The Watt Masters Difference Advantage Edge >>
Rock-Solid Dependable Solar Panel Systems installed by SOLAR ELECTRICIANS.
Commercial solar projects demand more than just panel placement—they require a partner who understands the full system.
At Watt Masters, as a commercial solar installation company, we’ve been trusted by EPCs and commercial builders for decades to deliver complete, code-compliant installations—from rooftop panel mounting to conduit runs, main panel tie-ins, and final commissioning.
With deep roots in electrical contracting and solar installs since 1999, we’re the long-term partner quality-focused companies count on to get it done right—every time.
Satisfied Clients
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, who's worked with me on solar installations since 1998, from 5 kW to 2.4 mW (24 panels to 8,000). Empire has awarded $3m+ and we plan to maintain this successful relationship for years to come.
Commercial Solar Panel Parking Canopy Installation
T.L. "Mac" Gowan, Lutheran Church of the Risen SaviorRegarding the very functional 62.5 KwH covered parking solar system for our congregation. The entire process was handled professionally. Most importantly, any issues that arose were continually addressed and resolved. Job site was neat and tidy. Staff polite and helpful.
Commercial Solar Installation
Frequently Asked Questions
What is commercial solar installation and how does it work?
Commercial solar installation services involves placing photovoltaic (PV) panels on rooftops, ground-mounted systems, or solar carports to generate electricity for your business. These panels capture sunlight and convert it into usable power through inverters, which then feed directly into your building’s electrical system. In Phoenix, where sunlight is abundant year-round, commercial solar systems can offset a large portion of your energy usage.
How much does commercial solar installation cost in Arizona?
The cost of commercial solar in Arizona depends on system size, energy usage, equipment quality, and site conditions. In most cases, businesses in Phoenix can expect pricing around $3 to $4 per watt before incentives. While larger systems require a higher upfront investment, federal tax credits, depreciation, and energy savings can significantly reduce the overall cost.
How much can my business save with commercial solar?
Savings vary based on your energy usage and system size, but many Phoenix businesses reduce electricity costs by 50% or more. With Arizona’s high utility rates and strong sun exposure, commercial solar often pays for itself in 4 to 7 years, followed by decades of continued savings.
How long does it take to install a commercial solar system?
Most commercial solar power installation projects take several weeks to a few months from initial design to final activation. The timeline depends on system size, permitting, and utility approvals. The actual installation phase is usually quicker, but planning and coordination with APS or SRP can take additional time.
Is my commercial property suitable for solar installation?
Most commercial properties in Phoenix are strong candidates for solar. Key factors include available roof space or land, structural capacity, and sun exposure. A professional site assessment will determine the best system type and layout for your building.
Do I need battery storage with my commercial solar system?
Battery storage is optional for most commercial solar systems. Many businesses in Phoenix operate successfully with grid-tied systems that reduce energy costs without batteries. However, adding storage can provide backup power, demand charge savings, and additional energy control depending on your goals.
What financing options are available for commercial solar projects?
Businesses have several financing options, including solar loans, leases, and Power Purchase Agreements (PPAs). Many Phoenix companies choose financing structures that allow them to go solar with little to no upfront cost while still benefiting from immediate energy savings.
How do I choose the right commercial solar installer in Phoenix, AZ?
Look for a contractor with proven experience in commercial solar projects, strong electrical and engineering expertise, and a deep understanding of Phoenix permitting and utility requirements. A qualified EPC partner will handle everything from design to installation and ensure your system is built for long-term performance.
What is the difference between commercial and residential solar systems?
Commercial solar systems are larger, more complex, and designed to handle higher energy demands. They require more advanced engineering, electrical design, and permitting compared to residential systems. Because of this, working with an experienced commercial solar contractor is essential.
Watt Masters is Arizona’s trusted name in solar for quality-minded commercial builders and EPCs. We don’t just install panels—we build solar systems the right way, backed by decades of proven performance.
Why Companies Choose Watt Masters
100% In-House Professionals
No day labor. No guesswork. All Watt Masters pros.
25+ Years Commercial Solar Experience
Rooftop, carport, and utility-scale solar since 1999.
On Time, On Budget
Clear timelines. Accurate bids. Projects done right.
Fully Equipped for Every Project Size
From small to multi-megawatt — we’ve done it all.