Capital Hill Solar, Energy Storage & Roof Project in Seattle, WA
Pinnacle Roofing Professionals completed this full-service Capital Hill solar, energy storage, and roof project in Seattle, WA. The home received a high-performance IB 80-mil PVC roof replacement, an 8.8 kW Solaria PowerXT solar array, and a whole-home Enphase IQ battery backup system. As a dual-licensed roofing and electrical contractor, we designed and installed every layer of this system under one warranty and one point of accountability.
Why Combine Solar, Battery Storage, and Roofing in Capital Hill?
Capitol Hill’s older homes, tree-lined streets, and mixed weather make a durable roof and resilient power system a smart investment. Pairing a new roof with solar installation and energy storage protects the home from leaks and outages while lowering utility bills and increasing property value. Pinnacle Roofing handles the roof, electrical, solar, and battery work together so there are no gaps between trades.
Project Overview: IB 80-Mil PVC Roof Replacement
The existing roof was replaced with an IB Roof Systems 80-mil PVC membrane. Heat-welded seams create a monolithic, waterproof surface that resists ponding, UV exposure, and Seattle’s wet seasons. This reinforced flat/low-slope roof system provides a stable, long-life foundation for the rooftop solar array and reduces future maintenance.
Solar Array: Solaria PowerXT 400 Watt Solar Modules
We installed an 8.8 kW Solaria PowerXT 400R-PM solar array using all-black 400-watt modules that exceed 20% efficiency. The dense cell layout and high-power density let the system maximize production within the available roof space, while the clean, uniform appearance complements the home’s Capitol Hill architecture.
Energy Storage: Four Enphase IQ Batteries
The system includes four Enphase IQ Battery 10 units providing 40.32 kWh of usable energy storage. The batteries keep the home powered during grid outages, shift solar energy into evening hours, and provide backup resilience for essential circuits. This Capital Hill energy storage system is paired with Enphase IQ8A microinverters for panel-level optimization and monitoring.
System Components Installed
- Roofing: IB Roof Systems 80-mil PVC membrane — heat-welded, waterproof, and solar-ready.
- Solar modules: Solaria PowerXT 400R-PM 400-watt all-black panels, 8.8 kW total array.
- Microinverters: Enphase IQ8A microinverters for independent panel performance and monitoring.
- Battery storage: Four Enphase IQ Battery 10 units, 40.32 kWh usable capacity.
- Location: Capital Hill (Capitol Hill), Seattle, WA.
Benefits of This Seattle Solar + Battery Project
- One contractor for roof, solar, and electrical — fewer coordination issues.
- Backup power during Seattle-area outages and storms.
- Lower electricity bills through self-consumption and time-of-use shifting.
- Durable, low-maintenance PVC roof designed to outlast the solar array.
- Real-time production and consumption monitoring through the Enphase app.
Why Choose Pinnacle Roofing for Solar & Energy Storage in Seattle?
Pinnacle Roofing Professionals is a licensed roofing contractor and licensed electrical contractor serving Seattle, Bellevue, Lynnwood, and the greater Puget Sound. We install roofing and solar projects in Seattle, including home battery storage, residential solar panels, and complete roof replacements. Our umbrella warranty covers the roof, solar, and electrical integration — protection many competitors cannot match.
Schedule a Free Solar + Roof Assessment in Capital Hill
Interested in a solar, battery, and roofing solution like this one in Capital Hill or anywhere in Seattle? Call 206.919.3538 or request a free estimate and our team will design a system that fits your roof, your budget, and your energy goals.