Solar, batteries & EV charging for the islands.
Rainshadow Solar has been designing and installing solar and other renewable energy systems in the San Juan Islands since 1989, grid-tied and off-grid.
CC RAINSSS839LT · EC RAINSSS837NT
- Since 1989
- Licensed WA general & electrical contractor
- Locally owned & operated
From the first site visit to flipping the switch, we’re right here in the islands.
On island, off-grid or grid-tied?
The San Juan archipelago is home to 172 named islands, and we’ve done projects on a lot of them. Our crew knows the ferries, the weather, the roofs and the utility.
- Systems designed for grid-tied OPALCO members and fully off-grid properties
- Rooftop arrays, ground mounts and pole mounts
- Licensed electricians and electrical trainees on every crew
- Most of our work comes from referrals and repeat customers
What helps pay for it right now
Current as of November 2026. We’ll walk you through what applies to your project at the site visit.
WA sales & use tax
Solar systems from 1 kW to 100 kW AC are fully exempt from Washington sales and use tax through December 31, 2029.
Source: WA Department of RevenueOPALCO net metering
Grid-tied members earn a credit for the solar power they send back to the grid: $0.0990/kWh less a $0.0137/kWh grid usage charge on the 2026 tariff.
Source: OPALCO 2026 ratesOn-bill financing
OPALCO’s Switch It Up program finances solar and battery projects on your power bill, with a 3% amortized service charge over 5 or 10 years.
Source: OPALCO Switch It UpThey handled all the paperwork with Opalco and the county and kept me informed along the way. The system was installed within a day and looks beautiful.
San Juan Island customer, 2022
Neighbors, friends and community.
“It has been a pleasure working with you. Each member of your crew has been amazing to work with. They are knowledgeable, pleasant to work with and respectful of me, but more importantly, of each other.”
San Juan Island customer · 2024
“A great team. They all went to it as soon as they arrived. Obvious that they have experience and have all the material to get it done. It was very gratifying for me to participate and share ideas about the details. We are pleased to see the young ladies in their roles as constructors and electricians.”
Lopez Island customer · 2021
“I don’t know how you guys have done it but you have an amazing crew. Such a joy to be around so much positive energy working well with each other and working as a team. All the while actually enjoying each other’s company. Truly refreshing. Nicely done.”
Orcas Island customer · 2020
Certified to install the equipment we recommend
