Washington § 84.40.420 - Valuation of renewable energy property.

Full text of Washington Revised Code of Washington § 84.40.420 — Valuation of renewable energy property., with citation guidance and answers to common questions.

§ 84.40.420. Valuation of renewable energy property.

(1) It is the policy of this state to promote the development of renewable energy projects to support the state's renewable energy goals.

(2) The department must publish guidance, in cooperation with industry stakeholders, to advise county assessors when appraising renewable energy facilities for determining true and fair value, in accordance with RCW 84.40.030. This guidance must include a cost-based appraisal method, and the development of industry-specific valuation tables for the following types of renewable energy property:

(a) A cost-based appraisal method and industry-specific valuation tables for equipment used to generate solar power must be published by January 1, 2023, for property taxes levied for collection in calendar year 2024;

(b) A cost-based appraisal method and industry-specific valuation tables for equipment used to generate wind power must be published by January 1, 2023, for property taxes levied for collection in calendar year 2024; and

(c) A cost-based appraisal method and industry-specific valuation tables for equipment used to store electricity must be published by January 1, 2024, for property taxes levied for collection in calendar year 2025.

(3) County assessors must refer to this guidance, including cost-based appraisal method and industry-specific valuation tables, when valuing renewable energy property but may also consider one or more additional valuation methods in determining the true and fair value of a property when there is a compelling reason to do so.

(4) For the purposes of this section, "renewable energy property" means property that uses solar or wind energy as the sole fuel source for the generation of at least one megawatt of nameplate capacity, alternating current, and all other equipment and materials that comprise the property, including equipment used to store electricity from the property to be released at a later time. "Renewable energy property" does not include any equipment or materials attached to a single-family residential building.

[ 2022 c 292 s 301.]

Notes

Findings—Intent—2022 c 292: See note following RCW 43.330.565.

Source: official Washington text · Last verified 2026-08-27

Frequently Asked Questions About Washington § 84.40.420

What does Revised Code of Washington § 84.40.420 cover?

Section 84.40.420 ("Valuation of renewable energy property.") is part of the Revised Code of Washington, the codified statutory law of Washington. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Washington § 84.40.420?

A common citation format is "Revised Code of Washington § 84.40.420" (Washington). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Washington law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Washington official source linked on this page or consult a licensed Washington attorney.

How does Washington § 84.40.420 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Washington can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Official text of § 84.40.420 at the Washington source

Not legal advice. Verify against the official source and consult a licensed attorney in Washington.