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City of Seattle·Washington

Greenhouse Gas Inventory Verification for CA, WA, TCR

Closes 9/18/2026$80k – $100kRequest for Proposal
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Description

The City of Seattle seeks a qualified verification consultant to independently verify City Light’s greenhouse‑gas (GHG) emission inventories for California, Washington, and The Climate Registry (TCR) for multiple reporting years. The consultant must be accredited by CARB, Washington Ecology, and ANAB/TCR, and must deliver conflict‑of‑interest filings, verification plans, data analyses, issue logs, final verification reports, and verification statements for each jurisdiction and year. Work includes preparing and submitting required forms to regulatory agencies, coordinating meetings, performing data reviews, and optionally conducting site visits. The contract is fixed‑price ($90,000) with milestones through August 10, 2029 and a contract term ending December 31, 2029. • Verify GHG inventory reports for CA (2026‑2028), WA (2026‑2028), and TCR (2025‑2027). • Provide COI, NOVS, draft/final verification plans, data analysis, issue logs, and final verification reports/statements. • Submit verification statements to CARB, Washington Ecology, and TCR. • Maintain accreditation (CARB, Ecology, ANAB/TCR) throughout the engagement. • Attend optional pre‑submittal conference (Aug 28, 2026) and optional site visits. • Deliver all deliverables by three milestone dates (Aug 10, 2027; Aug 10, 2028; Aug 10, 2029). • Fixed‑price budget $90,000; payment upon successful completion of each milestone.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Ned Lichty(Sr. Contracts & Procurement Specialist)

[email protected]

(206) 386-1759

Key dates

Opened
8/28/2026
Questions due
9/11/2026
Pre-bid meeting
8/28/2026
Closes
9/18/2026
Projected award
10/15/2026
Duration
3 years

Last updated

Details

Type
Request for Proposal
Industry
Consulting Services
NAICS
541620
Solicitation №
RFP #SCL-767082195

Budget estimate

$80,000 – $100,000

The solicitation states a total fixed‑price budget of $90,000 for the entire three‑year verification effort. Assuming typical consulting profit margins (15‑25 %) and possible change orders, the expected net earnings for the contractor would likely fall between $80,000 and $100,000 over the contract term. Factors influencing the range include the number of verification years actually performed, any additional site‑visit expenses, and the timing of milestone payments.

AI estimate from the solicitation

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