Washington State Green Bank

What Washington State Green Bank does

The Washington State Green Bank is a 501(c)(3) nonprofit financial institution established in 2024 by the Washington State Department of Commerce with support from the state's Climate Commitment Act. The organization was capitalized in April 2026 with an initial $25 million appropriation from a supplemental capital budget bill signed by Governor Bob Ferguson, with $5.8M earmarked for residential projects and $17.4M for commercial projects; legislative intent exists for an additional $25 million in the 2027-2029 biennium contingent on hitting 15:1 residential and 3:1 commercial leverage ratios. The bank is headquartered in Seattle, operates with fewer than 10 staff plus a board of directors, and is formally rebranding to "Washington Builds." Its underlying technology is a public-private capital leverage model rather than a proprietary software platform, and it has no mobile or web application, API, or SDK offerings.

The Green Bank's product portfolio spans low-interest residential clean energy loans (HVAC, solar, insulation, water services targeting low-to-moderate income households), commercial and multifamily financing (building efficiency, fleet transitions, farms), an Interest Rate Buydown Initiative pilot offering rates as low as 0% APR to Seattle-area small businesses with approximately $200,000 in buydown capital, and credit support through loan guarantees to nonprofit CDFI lenders. Its first project investment (June 2026) was a loan guarantee to Craft3 that enabled expansion of the Pullman High School rooftop solar system from 131.8 kW to 265.64 kW. Distribution is exclusively partner-driven — the bank does not underwrite or onboard customers directly, instead routing financing through CDFIs such as Business Impact NW, Rainier Valley Community Development Fund, and Craft3, alongside government partners including the Seattle Office of Economic Development.

The organization's revenue mechanics are appropriation-based rather than market-rate: it does not earn traditional interest income as its primary operating revenue but instead deploys public capital to crowd in private co-investment at mandated leverage ratios. Pricing on its loan products is disclosed publicly on its website as part of accountability requirements, and customer segments are split across homeowners/renters, small businesses, commercial and multifamily properties, and Tribal nations. Go-to-market is relationship-driven and supported by content marketing (website, email newsletter), stakeholder workgroups, and earned media. Leadership includes Executive Director Eli Lieberman (previously director of clean energy financing and interim CIO at Michigan Saves) and a board chaired by Sharon Miracle (President & CEO of Yakima Valley Community Foundation), with members drawn from the EPA, Seattle OED, McKinstry, VertueLab, and other climate-finance institutions.

Name

Washington State Green Bank

Legal name

Washington State Green Bank

Website

https://wagreenbank.org

Company type

Private

Founded year

2024

Operating status

Operating

Headcount range

1–10 employees

Short description

The Washington State Green Bank is a 501(c)(3) nonprofit financial institution, established in 2024 and capitalized with $25M in 2026, that deploys public and private capital into clean energy and energy efficiency projects for Washington State homeowners, small businesses, Tribal nations, and multifamily properties through CDFI partnerships and credit support.

Ownership category

akta.pro rank

Product category

Green Banking / Clean Energy Financing

NAICS

Depository Credit Intermediation (5221), Savings Institutions and Other Depository Credit Intermediation (522180)

SIC

Federal & Federally-Sponsored Credit Agencies (6111), Miscellaneous Business Credit Institution (6159)

akta.pro primary industry

Climate Finance Funds & Green Investment Facilities (BPADACAH)

akta.pro secondary industry

Municipal/Local Government Development Banks (FSABAKAI)

Keywords

• Clean energy financing
• Green bank lending
• Sustainable infrastructure finance
• Renewable energy credit
• Public-private capital

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Climate Commitment Act Funding: The Washington State Green Bank was established with funding from Washington's Climate Commitment Act (CCA), which supports climate action through cap-and-invest dollars. The organization leverages this public funding to attract private capital for clean energy projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Washington State Green Bank is a 501(c)(3) nonprofit financial institution that delivers accessible, low-interest financing and credit support for residential and commercial clean energy and energy efficiency projects across Washington State. Its offerings include low-interest residential clean energy loans, commercial and multifamily property financing, loan guarantees and credit enhancements to partner lenders, and a pilot Interest Rate Buydown Initiative that provides financing as low as 0% APR to Seattle-area small businesses.

Product overview

The Washington State Green Bank (soon to be rebranded as Washington Builds) is a nonprofit financing institution that provides accessible and affordable financing for energy efficiency and renewable energy projects. The organization operates as a unified platform offering multiple financing products: residential clean energy loans for homeowners and renters, commercial and multifamily property financing for businesses and larger properties, an Interest Rate Buydown Initiative pilot program for small businesses, and loan guarantee/credit support products to enable partners like Craft3 to extend financing. The organization leverages public and private capital to make clean energy upgrades accessible across Washington State, with particular focus on low-income and disadvantaged communities.

Differentiator

Problem solved

Functional benefit

Products and services

• Residential Clean Energy Financing Low-interest loans designed to make residential clean energy and energy efficiency projects accessible to homeowners and renters, including solar panels, HVAC upgrades, insulation, and water services. Focuses on low-to-moderate income households in Washington State.
• Commercial and Multifamily Financing Financing and incentives for businesses, commercial buildings, farms, and multifamily housing to support building energy efficiency, sustainability upgrades, and fleet transitions.
• Interest Rate Buydown Initiative Pilot program offering Seattle-area small businesses financing as low as 0% APR for qualified energy efficiency projects, administered through nonprofit CDFI partners Business Impact NW and Rainier Valley Community Development Fund.
• Loan Guarantee and Credit Support Credit support provided through loan guarantees to nonprofit lenders (such as Craft3) so they can extend additional financing for larger clean energy projects that would otherwise face capital access barriers.

Quantifiable outcome

• First project deployment: Pullman High School solar expansion from 131.8kW to 265.64kW (100%+ increase)
• +2 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Eight partnerships are on record, tiered core and minor.

• Zero Emissions NorthwestcoreStrategic or Co-development Partner · 29 June 2026Zero Emissions Northwest is the developer of the Pullman High School solar project. Their Giving Grid solar project atop Pullman High School was expanded with financing support from Washington State Green Bank.
• Partners for Rural WashingtonminorStrategic or Co-development Partner · 29 June 2026Partners for Rural Washington collaborated with Zero Emissions Northwest on the Pullman High School solar project.
• Washington State University Community Solar Expansion ProgramminorStrategic or Co-development Partner · 29 June 2026The original solar installation at Pullman High School was planned through support from the WSU Community Solar Expansion Program.
• Seattle Office of Economic DevelopmentcoreStrategic or Co-development Partner · 23 June 2026The Seattle Office of Economic Development partnered with Washington State Green Bank on the Interest Rate Buydown Initiative pilot program to help Seattle-area small businesses complete energy efficiency upgrades with affordable, flexible financing.
• Business Impact NWcoreChannel Partner/ Reseller/ Distributor · 23 June 2026Business Impact NW, a nonprofit CDFI, is a participating lender in the Interest Rate Buydown Initiative pilot program, handling applications directly through their standard intake and underwriting processes for small business energy efficiency financing.
• Rainier Valley Community Development FundcoreChannel Partner/ Reseller/ Distributor · 23 June 2026Rainier Valley Community Development Fund, a nonprofit CDFI, is a participating lender in the Interest Rate Buydown Initiative pilot program, helping bring innovative financing solutions directly to small businesses.
• U.S. Green Bank 50 (GB 50)coreStrategic or Co-development Partner · 15 April 2026The GB 50 is the member-founded and member-driven coalition of Green Banks across the United States. Washington State Green Bank participates in this network to share best practices, streamline processes, and standardize financial products. The GB 50 also provided a $50,000 Strategic Development Fund grant to support the organization's capacity building.
• Michigan SavesminorStrategic or Co-development PartnerMichigan Saves is the nation's first nonprofit green bank. Washington State Green Bank's Executive Director previously served as director of clean energy financing and interim chief investment officer for Michigan Saves, bringing experience and best practices to Washington.

Scale indicators3 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• PACE Equity: National leader in Commercial Property Assessed Clean Energy (C-PACE) financing. Comparable in providing structured clean energy financing to commercial property owners; Washington Green Bank Treasurer Rachel Brombaugh previously led PACE outreach and underwriting there.
• Rhode Island Infrastructure Bank: State infrastructure bank that operates clean energy financing programs alongside broader infrastructure lending. Comparable as a public-purpose financial institution leveraging public capital for clean energy, though operating across a broader infrastructure mandate.
• New York State Energy Research and Development Authority (NYSERDA): New York's public benefit corporation that administers state clean energy financing programs including Green Bonds, NY-Sun incentives, and low-income residential financing. Comparable mission but vastly larger scale, broader mandate, and a much more established portfolio.

Direct peers

• DC Green Bank: District of Columbia's green bank, established as a nonprofit financing entity to mobilize public and private capital for clean energy projects. Directly comparable structure, mission, and target borrower segments. Washington Green Bank board member Cheryl Chan-Hardee launched DC Green Bank in her prior role.
• Business Impact NW: Nonprofit CDFI serving Washington and Oregon small businesses with loans and advisory services. Direct comparable and active channel partner of Washington State Green Bank in the Interest Rate Buydown Initiative.
• Michigan Saves: The nation's first nonprofit green bank and the model for the broader U.S. green bank movement. Directly comparable as a state-chartered nonprofit green bank using public capital to leverage private financing for clean energy. Washington State Green Bank's Executive Director Eli Lieberman previously served as Director of Clean Energy Financing and Interim CIO there.
• Connecticut Green Bank: One of the most established U.S. state green banks, operating as a quasi-public nonprofit providing clean energy financing to residents, businesses, and institutions. Closely comparable model, products (including C-PACE financing), and statutory structure.
• Craft3: Pacific Northwest CDFI providing capital for clean energy, small business, and nonprofit projects. Direct peer as both an originator of clean energy loans and an active partner of Washington State Green Bank (received credit support/loan guarantee for the Pullman High School solar deal).

Regional players

• VertueLab: Pacific Northwest climate-tech and clean energy venture fund and accelerator. Comparable regional focus on clean energy innovation, but provides grants/equity rather than loans. Washington Green Bank board member Aina Abiodun serves as President & Executive Director.

Others

• U.S. Green Bank 50 (GB 50): Coalition of U.S. green banks facilitating knowledge-sharing, deal standardization, and member collaboration. Member of Washington State Green Bank; provided a $50,000 Strategic Development Fund grant. Adjacent enabling organization rather than a competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/washington-state-green-bank

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Washington State Green Bank