Cities Index.
Vendor · Energy

Onyx Development Group

Contract actions with Onyx Development Group in California city council documents since 2022 — also written as Onyx Development Group LLC; Onyx Development Group LLC.; Onyx Development Group, LLC.

Extracted automatically — check the source. These rows were read out of the cities' own agendas, staff reports and minutes by a language model (claude-haiku-5-5/v5) on 2026-10-20. Each amount links to the passage it came from and each row to the city's original file, which is the official record. Rows marked check had a problem the checks caught.
2actions
1cities
$0.00approved (recorded vote)
$0.00proposed, no vote in the index
2024-08-20first action in the index

Dollar totals add the amount each action states: an amendment's new total can repeat an earlier award, and annual amounts are counted once. Use them as a rough size, the rows for detail.

Actions

DateCityItemActionAmountSize · price · savingsOutcomeSources
2025-09-16FairfieldResolution 2025-183 PW Onyx Solar Power Purchase Agreement Amendment - Authorizing the City Manager to Execute Amendment No. 1 to the Agreement Between the City
Solar and solar PPAs
Amendment—1785.0 kW DC STC RATING; Tesla Megapack 2 XL 4HR (448.8kW/1795.2kWh) B…Approved
AYES: MEMBERS: MOY/BERTANI/CARR/PANDURO/SANDHU/TONNESEN/WILLIAMS; NOES: none;…
staff report · staff report · staff report · agenda · agenda
2024-08-20FairfieldResolution 2024-81 Authorizing the City Manager to Execute a Power Purchase Agreement with Onyx Development Group LLC for the Provision and Operation of a Solar
Solar and solar PPAs
Award—1.25-megawatt solar field with a 450-kilowatt storage battery
$0.1175 per kilowatt hour
approximately $10.5 million over the life of the PPA
Approved
5-1, with Vice Mayor Bertani voting no
staff report · agenda · agenda · agenda · agenda

Cities

Fairfield