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Top-Rated Solar panel pros in Graham - Updated Nov 2026

Avatar for Forecast Energy
Forecast Energy
4.9(
19
)
Solar Panel InstallSolar Panels For Electric System - Install - For BusinessSolar Panels For Electric System - Repair+1 more

Serving Graham, WA and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"We love our solar panels and they have paid for themselves Iâ m so glad I went with forecast solar. I always recommend them to friends and neighbors or anyone looking for solar panels. They came in did their professional job showed up and did the job when they said they would. I get daily reports on how much energy I produce"
Everett Installation
Everett Installation
Everett Installation
Everett Installation
Edmonds Solar Array

+9

Response time3 days
3 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Cahill's Plumbing & Heating
Cahill's Plumbing & Heating
4.1(
38
)
Solar Water Heater System - InstallSolar Water Heater System - Install - For BusinessSolar Water Heater System - Repair+1 more

Serving Graham, WA and surrounding areas

Approved

Credit card accepted

Customers say: Super punctual

Cahill's Plumbing & Heating has served the greater Maple Valley, WA area for more than 30 years and is setting new industry standards for plumbing. Our company provides every new and existing client honesty, value and high quality services. Our staff of experienced plumbers and heating contractors works hard to surpass your expectations with both materials and labor.\n\nWe don't use the "flat-rate" gimmick, but provide prompt, honest service. All work is done by knowledgeable plumbers who are trained to use the best tools available.\n\nOur plumbing and heating services include:\n\n• All plumbing repairs \n• Grease trap repair and installation \n• 24-hour service\n• Hot water tank and boiler sales \n• Compressed air piping \n• Drain cleaning and repair \n\nAt Cahill's Plumbing & Heating, we use American Standard, Moen, Kohler, Delta and Grohe to complete plumbing repairs and installations. You can depend on us to complete all projects efficiently and on time. We are licensed and insured, and your satisfaction is guaranteed.\n\nCall Cahill's Plumbing & Heating today for your next service call and see how we're setting the industry standard for honesty, value and service!

1 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for SolTerra
SolTerra
4.8(
29
)
Solar Panel InstallSolar Panels For Electric System - Install - For BusinessSolar Panels For Electric System - Repair+1 more

Serving Graham, WA and surrounding areas

In business since 2008

Free estimates

"Nick Richardson was awesome to work with, for that matter, the whole of SolTerra was great. Nick showed me an overview of what solar power is capable of and then tailored the system to my exact needs. All said and done, I am producing power every day , some days its less than I consume, but on overage ( 2 months and counting) I have over produced and end up with a PUD credit. This company is really easy to work with, and enlightened me to the options of free energy. If you are on the fence about solar power, come on over, you'll be surprised at what you've been missing. Lastly my experience seems to be the norm, I'm super happy and wish that I`d done it sooner, looking at others reviews of SolTerra, I now understand why this company is so highly rated!"
Additional Photos
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+2

Recommended by88%of homeowners
Avatar for Washington Energy Services
Washington Energy Services
4.5(
992
)
Solar Water Heater System - InstallSolar Water Heater System - Install - For BusinessSolar Water Heater System - Repair+1 more

Serving Graham, WA and surrounding areas

In business since 1957

Free estimates

Emergency services offered

"Washington Energy Services put a new water heater in our home almost 15 years ago. It was the weekend after we moved in. We were pleased with their service back then, so we called them again when our water heater leaked everywhere. They were able to come out the very next day and put our new water heater in. They took care of necessary permits and made that part so easy. They understood the urgency of our need and were kind and helpful. We would recommend them for any of their services."
Window Installation
HVAC
Window Installation
HVAC
After1

+39

Recommended by92%of homeowners
Avatar for Exact Electric
Exact Electric
4.7(
141
)
Solar Panel InstallSolar Panels For Electric System - Install - For BusinessSolar Panels For Electric System - Repair+1 more

Serving Graham, WA and surrounding areas

In business since 2007

Free estimates

Credit card accepted

"So far, it has been an amazing experience. The whole team has been super responsive and professional. They said they would arrive at 8:00 am and they did! So refreshing! The crew they sent out were professional and did beautiful work. Still have one or two items to cross off once the dry wall is put in. Would absolutely use them again. I wanted to particularly thank Tom who was the lead at our site. He had a great sense of humor about our little barky dog and grumpy kid. Photos posted below are a before and after. The crazy panel was before. The flush panel is after."
Finished Kitchen
Bathroom
Living room
Service
"Floating Cloud" Metropark

+2

Recommended by93%of homeowners
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Solar Panels FAQs, answered by experts

The best solar-panel mounting system will depend on your property layout, but you’ll typically want to try for south-facing panels to get the most sun. Roof mounting and wall mounting are both popular, but if your well setup is far away from buildings and other structures you can also set up a freestanding aluminum frame to mount your panels.

You’ll need to make sure you have a big enough solar panel to meet your well pump’s power demands, but you can use solar power to fully operate your well pump. It’s also a good idea to have battery storage to hold the solar power so you can still use your well pump after dark.

It’s possible that installing solar panels can lead to mold on the roof. The panels themselves are not the issue. Problems caused by improper installation—such as roof leaks and mounts that aren’t sealed properly—can cause mold. Another potential cause of mold is debris accumulation under panels, which can trap moisture. If you live somewhere with extreme snow, rain, or hail, your home could be more prone to mold.

Solar panels should get at least four to six hours of direct sunlight daily. It’s even better if sunlight reaches panels between the peak hours of 10 a.m. and 3 p.m. This is enough to power a home, depending on your solar system’s size and energy needs. Remember that panels will generate some power under cloudy skies or in the shade, and many systems compensate for lower sun exposure by drawing energy from the grid or battery storage.

Solar shingles and solar panels are not the same. While solar shingles use the same technology as traditional solar panels, they integrate with your existing roof. That means they are used to build your roof instead of simply resting on top of it. When comparing solar shingles and solar panels, it's helpful to know that solar shingles are more aesthetically pleasing than solar roof panels. They also do better in harsh weather due to limited uplift from strong winds.

The Graham, WA homeowners’ guide to solar panel services

From average costs to expert advice, get all the answers you need to get your job done.