2026 Summit Sponsorship

The 2026 Solar Summit is brought to you by these generous sponsors:

Presenting Sponsors

Seattle City Light is an electric, municipal utility serving the City of Seattle and surrounding jurisdictions, and offers a variety of customer-facing programs including customer generation, e.g., solar programs.

LIUNA (Laborers’ International Union of North America) represents over 500,000 construction workers across North America. LIUNA provides hands-on training in the construction trades including concrete, energy, pipeline, and infrastructure. LIUNA’s workforce development initiatives offer safety certification, continued education, and career advancement opportunities, preparing members for high-demand construction jobs while maintaining industry-leading safety standards.

Industry Builders

Industry Collaborators

Sponsoring the 2026 Washington State Solar Summit is an effective way to showcase your business, products, research, and services to decision-makers from various solar companies, agencies, and members of the public. The Solar Summit attracts representatives from all sectors directly and indirectly connected to solar energy, including solar installers, utilities, manufacturers, distributors, engineers, city, state, and tribal government agencies, utilities, policy makers, consultants, advocates, educators, homeowners, and the general public interested in solar. By sponsoring the summit, you contribute to Washington’s annual solar-focused conference and support our vision of a 100% clean energy Washington.

Why should you sponsor the Solar Summit?

Promote your company’s products and services to professionals in the Washington solar industry.
Enhance your visibility and relevance among your peers.
Interact with a diverse audience.
Expand your industry contacts.
Support Washington’s mission to advance solar energy in the state.