Off Grid Solar Installers – Washington
Off Grid Solar Installation from a Local Solar Installer You Can Trust
Fire Mountain Solar is widely regarded as Washington’s best and most experienced off-grid solar installer. Since 2001, we’ve specialized in designing and installing off-grid solar power systems for a wide range of applications, from small cabin systems to large off-grid systems.
Custom Off-Grid Solar Systems — Designed Around How You Use Power
Off-grid solar systems must be carefully designed to match real-world energy use, not general estimates.
We design systems for:
- Cabins and seasonal properties
- Full-time off-grid homes
- Remote and hard-to-access sites
- Large, custom systems with significant electrical loads
Each system is tailored to your usage patterns, equipment needs, and long-term plans, with an emphasis on reliability, serviceability, and realistic expectations.
DIY Off-Grid Solar — With Professional Design and Support
Prefer a more hands on approach? If you want to install your system yourself, we also offer custom DIY off-grid solar kits.
We can provide:
- Professional system design
- Panels, inverters, batteries, and racking
- Installation guidance and technical support
- Ongoing help after commissioning
DIY doesn’t have to mean guesswork. You get a system designed by professionals with decades of off-grid experience.
Additional Energy Services
In addition to off-grid solar, we also offer:
- Grid-tied solar installations
- Hybrid solar systems with battery backup
- Backup generators and energy storage
- Electrical service upgrades and EV charging
We are also a Trade Ally partner for Puget Sound Energy’s Flex Battery program and can help eligible customers understand available battery incentives.
Request a Free Off-Grid Solar Quote
If you’re exploring off-grid solar and want experienced guidance, we’re happy to help.
✔ Washington’s most experienced off-grid installer
✔ Custom system design for small and large projects
✔ Clear, honest recommendations
Request a free quote and get reliable answers from a team that has been doing off-grid solar since 2001.
Experience That Matters
Since 2001, Fire Mountain Solar has completed more off-grid installations than any other installer in Washington. That depth of experience informs every part of the process—from system sizing and equipment selection to installation details that affect long-term performance.
Our approach emphasizes:
- Accurate load analysis and system sizing
- Proven equipment choices for off-grid use
- Designs that avoid unnecessary complexity
- Clear explanations so you understand the tradeoffs
The goal is a system that delivers consistent power and works reliably without constant monitoring or upkeep.
A Straightforward, No-Pressure Process
We keep the process simple and transparent:
- Learn about your property and goals
- Design a system that fits your needs
- Provide clear recommendations and pricing
No pressure. No gimmicks. Just the information you need to decide if off-grid solar is right for you.
Off Grid Power System Experts
Though FMS was founded in 2001, our experience with off grid electrical systems began in 1996. That’s when our founders purchased a rural piece of property that lacked access to utility power, and they chose to power their home with off grid solar electricity.
READ: About FMS
