Best Solar Companies in Seattle: Services & Brand Benefits
Partnering with a Seattle solar installer isn’t just about panels, but more about how well your system is designed around local rules and incentives. Seattle City Light credits you for the excess solar you export (net metering), which affects how quickly you offset bills.
Moreover, with typical residential rates around $0.14/kWh, those credits matter. Washington also keeps qualifying systems ≤100 kW at 0% state & local sales tax through Dec 31, 2029. This relevantly lowers your installed cost.
This guide highlights the top solar companies in Seattle that offer comprehensive services, including design, permits, installation, and long-term maintenance, ensuring you receive clear workmanship/production warranties, reliable monitoring, and battery options.
9 Highly Reviewed Solar Companies in Seattle (2025)
Choose from regional solar installers that align budgets with scalable assurance.
1. Switch Electric Home Energy
Founded in 2009 and now a part of Qmerit’s national electrification network, Switch Electric Home Energy positions itself as a whole-home energy partner. The company is an electrification and solar contractor with deep in-house electrical capability and a clear warranty structure for PV, storage, and balance-of-system work.
- 10-year production guarantee, a 15-year workmanship warranty, and a roof-penetration guarantee.
- REC and Silfab modules, Enphase or SolarEdge electronics, and IronRidge racking.
- Pick from Tesla Powerwall, FranklinWH, or SolArk ecosystems for storage options.
- Each project includes a shading study with LiDAR-based production modeling.
As an electrical contractor, Switch handles solar panel installations in Seattle, with added partner benefits that include EV charging, panel/service upgrades, and standby generators.
2. A&R Solar
A&R Solar is an employee-owned, Certified B Corporation. They are an established solar–battery installer recognized for value-led governance (Amicus membership) and a dedicated post-install service organization.
- 10-year performance, 10-year workmanship, and 10-year labor coverage, with 25-year panel performance warranties.
- They install Tesla Powerwall 3 (with built-in inverter) and FranklinWH (up to 15-year warranty), support grid-charging where allowed, and design for outage resilience.
- A dedicated service group handles diagnostics, maintenance, and repairs.
Note: If production underperforms, they refund 110% of the shortfall during the first decade.
Their in-house R&D function evaluates equipment specifically for long service life and reliability, which feeds directly into design standards and product selection.
3. Purelight Power
Purelight Power in Seattle is a multi-state residential EPC with a standardized, warranty-forward approach delivered by in-house teams that emphasize simple, end-to-end project handling.
- 25-year performance guarantee, a 1-year production guarantee, and a 10-year workmanship guarantee, with parts/production coverage up to 25 years.
- Module-level design with Enphase microinverters and web-enabled monitoring.
- Storage options include Tesla Powerwall and LG Chem.
- Permitting, interconnection, and installation are coordinated for you.
Purelight Power is a warranty-led solar partner that aims to keep the process clean, while leaving room to add batteries now or later, while protecting the path to going solar in Seattle.
4. Artisan Electric, Inc.
Artisan Electric, Inc. is a full-service solar and electrical contractor with union craft at its core (IBEW electricians) and a warranty program that puts long-term production and workmanship guarantees in writing. The team is certified in flagship ecosystems, pairing PV with storage and building-integrated options as needed for your project.
- 25-year performance guarantee and a 25-year IBEW-backed workmanship guarantee, plus manufacturer product warranties up to 30 years.
- Tesla Powerwall Certified Installer and certified on Tesla Solar Roof options.
- Enphase microinverters for panel-level production and monitoring.
- Beyond home systems, the team delivers commercial PV.
- With in-house electrical capacity, your solar scope can cleanly include panel upgrades, EV charging, and battery backup.
They even refund the production shortfall if the annual output misses estimates. That’s the kind of assurance that makes Artisan a public-favored solar company in Seattle.
5. Puget Sound Solar
Puget Sound Solar is a long-standing Pacific Northwest solar and storage installer (est. 2001) with an in-house service department and one of the strongest written protection criteria in the region. You get modern battery choices and ongoing monitoring with a futuristic provider.
- 25-year workmanship, a 10-year performance guarantee, and a 10-year labor warranty/.
- Tesla Powerwall 3 and Enphase IQ 5P (with published warranty terms), and assists on PSE’s Flex Batteries program incentives where eligible.
- Core builds feature Enphase electronics paired with modules like REC and Silfab.
- Service Department handles troubleshooting, upgrades, removal/re-install, and even repairs on systems they didn’t originally install, with 24/7 system monitoring.
Puget Sound Solar provides you with a durable, monitored system and a team that remains available long after your system is energized. They pair solar panel installation in Seattle with strong workmanship coverage, along with current-gen batteries and real post-install support.
6. Solterra Solar
SolTerra Solar is a woman-owned solar service provider recognized for its design-forward PV and storage projects. They offer an in-house warranty and a team that manages permitting and incentives from start to finish. The company emphasizes clean, modern aesthetics and has been building Northwest systems for over a decade.
- 10-Year Total Service/workmanship warranty that explicitly covers materials, labor, and roof penetrations.
- Enphase IQ Battery 5P and Franklin aPower 2 battery ecosystems.
- Favors all-Enphase stacks to minimize cross-vendor firmware/compatibility issues.
- Lists the electrical and general contractor licenses and standard insurance.
Solterra balances design, durability, and strong written warranty terms with a cohesive path stretching from roof readiness and permitting to a monitored PV and battery system.
7. MAD Energy NW
MAD Energy NW is a solar and electrical contracting company led by master electricians and NABCEP-certified professionals, offering a PV and storage program. You work with one team that handles solar generation and the electrical backbone that supports it.
- Panel 25–30-year production, inverter/optimizer 12–25-year, racking 25-year, workmanship 10-year, plus a published battery warranty up to 15 years.
- The team calls out (2) Master Electricians and (3) NABCEP certifications.
MAD Energy is a Seattle-area solar installer that backs its services with strong warranties and best-in-class battery integrations for residential and commercial properties.
8. West Seattle Electric and Solar
West Seattle Electric and Solar is a family-owned solar installer in Seattle that combines licensed general and electrical contracting with NABCEP and IBEW Master Electrician.
- Each project is accompanied by a 10-year workmanship warranty.
- From service/meter and panel upgrades to solar array design/installation, re-roof removal & re-install, and EV charging, the same crew plans the entire roadmap for you.
- Associated product partners include Enphase electronics and SunModo racking.
This certified installer follows a single-shop approach, providing you with a streamlined, code-compliant path to PV.
9. Sphere Solar Energy
Sphere Solar anchors solar installation projects with battery-ready architectures and a design-to-build process that fits Northwest homes and commercial sites.
- 25-year manufacturer warranties and a 10-year workmanship warranty.
- Add storage via Enphase IQ Batteries, or choose Tesla Powerwall or OutBack Power.
- Every installation includes access to Enphase Enlighten production monitoring.
- Also installs home and commercial EV charging stations.
The company highly recommends integrating Enphase products into each PV system for better monitoring and production.
Get the Top Service for Solar Installation in Seattle
You need a solar company that prioritizes protection, design discipline, and post-install support. Choosing the most suitable installer from this list depends on what you expect in terms of service quality, including workmanship, warranties, PV brands, battery options, etc.
Before signing a contractor, align the design with your utility’s requirements: Seattle City Light’s net metering rules for exported kWh, or PSE programs if you are adding batteries (Flex Batteries can significantly improve storage economics).
FAQs
What are recent “good” all-in quotes per watt around Seattle (cash vs. financed)?
Cash ≈ $2.6–$3.2/W; financed often 10–25% higher effective due to dealer fees.
Which Seattle solar companies offer the most reliable post-install service and monitoring?
A&R Solar (dedicated service), Puget Sound Solar (service department, 24/7 monitoring), Artisan Electric (full-service + Powerwall).
Do solar panels still perform well in Seattle’s winter and shoulder seasons?
Yes, annual yield ~1,000 kWh/kW, winter dips (~1.3 kWh/kW/day), and summer peaks (~6.9).
What system size offsets a typical Seattle household’s usage?
Roughly 7–11 kW. Seattle City Light notes ~8 kW typical and ~1,000 kWh/kW-yr production.
Will Seattle City Light’s 2025 Time-of-Use rate change my battery strategy?
Likely, the fall 2025 TOU will introduce peak pricing. Batteries can shift usage to off-peak periods. Model with your load profile.
What price per watt should I expect for solar panel installation in Seattle?
Expect ~$2.7–$3.3/W before incentives, depending on equipment and roof complexity.
How much do solar panels cost in Seattle in 2025?
Typical installs land ~$2.7–$3.3/W; an 8 kW system runs about $22k–$26k before incentives.
Is solar worth it in Seattle, given cloudy weather and local electric rates?
Generally, yes, with retail-rate net metering and ~1,000 kWh/kW-yr output, a solid ROI is underpinned. Rates ~$0.14/kWh help.
