• Specific Plan
• Proposed Vesting Tentative Map

• Zoning Administrator Resolution No. 466 (February 12, 2026)
• Zoning Administrator Resolution No. 445 (December 11, 2025)
• City Council Ordinance No. 24-1527 (November 18, 2024)
• City Council Resolution No. 24-14560 (November 4, 2024)

• Final Program Environmental Impact Report (EIR)
• Appendices:
  • Appendix A: Proposed Specific Plan
  • Appendix B: Reference Materials
• Mitigation and Monitoring Program (MMRP)

• Notice of Availability of an Environmental Impact Report for the Pittsburg Technology Park Specific Plan
  • Draft Program Environmental Impact Report
  • Appendices:
    • Appendix A - Notice of Preparation and NOP Comments
    • Appendix B - Specific Plan
    • Appendix C - Small Power Plant Exemption Application
      • Part I - Pages 1 - 761
      • Part II - Pages 762-1617
    • Appendix D - Air Quality Emissions Analysis
    • Appendix E - Biological Evaluation Repot
    • Appendix F - Cultural Resources Report
    • Appendix G - Geotechnical Due Diligence Report
    • Appendix H - Paleontological Resources Report
    • Appendix I - Phase I Environmental Site Assessment
    • Appendix J - Noise Technical Report
    • Appendix K - Transportation Impact Assessment
    • Appendix L - Water Supply Assessment

What is the AVAIO Perseus Data Center, and where is it located?

The project is a planned data center within the Pittsburg Technology Park, designed to support digital infrastructure and economic development. It is located along West Leland Road, on the former Delta View Golf Course property.

What is the Pittsburg Technology Park?

The Technology Park is a planned district intended to support technology, infrastructure, and job-generating uses.

Has the project been approved? Have contracts been signed, and has AVAIO paid for anything to benefit the City?

**EDITED JUNE 18, 2026 TO PROVIDE ADDITIONAL DETAIL**

The project has received all necessary approvals from the City and state. Please note, future phases will require, at a minimum, approval by the Zoning Administrator at duly noticed public meeting. The Zoning Administrator's decision may be appealed to the Planning Commission. 

There is a Project Development Agreement between the City and AVAIO that was executed in 2019. There are additional agreements between the City and AVAIO that are still being negotiated that deal with power sales and infrastructure.

What environmental review was completed, and how can the public review project documents?

The project underwent full environmental review under the California Environmental Quality Act (CEQA). An Environmental Impact Report (EIR) was prepared, and found that there were no significant and unavoidable impacts resulting from the project. All impacts would be reduced to a less than significant level with mitigations incorporated.

Please see the links above to review the approved project documents, including the certified EIR.

Did the City research other data centers and their effects on residents and the environment? Were mailers sent to residents so they could weigh in?

Staff did extensive research and held multiple community meetings from 2018, when the project was first introduced, to when it was approved in late 2024. This is what ensured the data center would be located over 400 feet from the nearest residence, would only use recycled water, would have scrubbers installed on all backup generators, and that extensive noise mitigation would be incorporated.

Mailers were sent to nearby residents in advance of community meetings, prior to commencement of the drafting of the EIR, when the draft EIR went out for public review, prior to the Public Hearing before the Planning Commission, and prior to the Public Hearing before the City Council. These public notices were also posted online and distributed to anyone who requested updates on the project.

Do adjacent residents, the nearby church, and the nearby middle school know about the project and how it may affect them?

Yes. Adjacent residents were made aware of the project on multiple occasions dating back to when the project was first introduced in 2018, and multiple community meeting have been held to gather resident feedback. The neighboring church along Golf Club Road has hosted several of our community meetings, including the most recent meeting on May 5th. Pittsburg Unified School District (PUSD) is aware of the project, and the EIR analyzes the impact of the project on all surrounding uses.

Will there be enough recycled water to cool the data center? How does the project’s demand compare to Delta Diablo’s current and projected recycled water capacity?

Yes. The EIR included a water supply assessment (WSA), which states supplies are sufficient and that Phase I will use primarily recycled water from Delta Diablo. The Delta Diablo treatment plant’s 2023 average daily production of recycled water was about 7.5 million gallons per day (mgd), while the data center’s recycled water demand is estimated to be only 0.058 mgd — less than 1% of Delta Diablo’s current recycled water output. For context, the former Delta View Golf Course used about 0.27 mgd of recycled water from the same pipeline.

How is the data center proposed to be cooled if it isn’t using much water?

The data center will be air-cooled. The small amount of water that will be used is part of an optional precooling system, wherein during hot weather water is sprayed onto the chiller coils, which reduces the electrical load on the compressors and fans significantly. This is where recycled water may be used — for this precooling assist, not for evaporative towers. The chillers also may use humidification for both data halls and offices, which uses the same water supply.

If there isn’t adequate recycled water supply available for any reason, the coolers have been designed to be operational without it. This means it may cost them more to run the coolers without water, but it won’t increase the data center’s environmental impact.

What contingency plans exist if recycled water is unavailable (drought, maintenance, or competing industrial demands)? Will the project switch to potable water, and if so, who bears the cost?

Delta Diablo has significant capacity in its available recycled water and has provided a Will Serve letter to the project stating as such. If additional recycled water is needed for any reason, the City and developer could look to neighboring wastewater treatment facilities that have excess recycled water. But switching to potable water would not be an option for Phase I, as it is a direct violation of the Settlement Agreement between AVAIO, the Center for Biological Diversity, and the City.

As noted in the cooling answer above, much of the water use is optional; if recycled water supplies were to become scarce, the cooling system could function on a very minimal amount.

It is also critical to note that the potable water system and recycled system will not be interconnected, so the developer or a future operator can’t simply push a lever and start pumping potable water into the system where recycled water is flowing. The potable water system will be connected only to toilets, sinks, faucets, etc., and the City will have a meter measuring the consumption of potable water used by the project.

Who pays for the energy and infrastructure? Will costs be distributed among Pittsburg residents/ratepayers? The 99 MW load plus backup generators is large — has the impact on local rates and grid stability been modeled?

The tenant of the data center will pay for the energy used, and the developer will fund all infrastructure upgrades required. These costs will NOT be distributed among residents. Electric service for this project will not result in increased local rates.

We know this has been an issue with other data centers, but this project is unique. Most data centers locate in areas and take power from the local energy company serving the surrounding community. In this instance, you and your neighbors are PG&E customers, and the data center will actually be supplied power from the Pittsburg Power Company (PPC). This also means the power being delivered to the data center isn’t coming from the same PG&E “pool” as your power, and your power won’t be reduced to benefit the data center.

The settlement requires 100% carbon-free electricity. How will this be verified annually, and what are the backup plans if renewable supply is insufficient?

Yes — we present annually to the PPC Board, and publish for the public, an audit that shows exactly how much electricity was purchased, the type of electricity, and where it came from (solar, wind, hydro, etc.). Phase I of the project is obligated to use carbon-free energy, and in the event the renewable supply is insufficient, renewable energy certificates (RECs) will be required to be purchased. More information, along with a helpful video on RECs, is available here: https://www.epa.gov/green-power-markets/renewable-energy-certificates-recs

The settlement adds extra noise measures (acoustic louvers, insulated panels). Will there be continuous noise monitoring at nearby sensitive receptors (homes, schools) with public reporting and enforceable penalties?

Yes. As part of the EIR, the City Council adopted a mitigation monitoring and reporting program. This requires the City, as the Lead Agency, to continuously follow up to make sure mitigations are incorporated and operational.

We are committed to sharing public information, and we will be enforcing penalties when applicable.

For air quality and the backup generators: how often will they run for testing, what are the expected annual emissions, and will emissions data be publicly reported?

The backup generators are assumed to operate up to 50 hours per year, each. Expected annual emissions from the generators are 4,209 metric tons (MT) of carbon dioxide-equivalent emissions per year (CO2e/year). For context, the Bay Area Air District (BAAQMD) significance threshold is 10,000 MT CO2e/year, meaning BAAQMD does not consider anything less than this to be significant. The project’s 37 backup generators will each be equipped with MIRATECH ACIS-3 aftertreatment systems (aka “scrubbers”).

Recycled water sprayed can become aerosolized and can drift into neighborhoods, raising concerns about exposure. How will disinfection, aerosol drift, health risk, review by Contra Costa Health Services, and air-quality monitoring be addressed?

The recycled water will be pretreated, and all spray will occur within confined spaces. It is important to note that the golf course previously used significantly more recycled water to irrigate the 180-acre course using sprinklers — an open-air application. Because the data center’s spray is pretreated and confined, the odor, aerosol, and inhalation concerns — including any interaction with existing landfill odors — are substantially limited compared to that prior open-air use.

Will the City commit to public, ongoing reporting?

There are certain things we are required to report, and others we know the public is interested in. Sharing the information is not something we see as optional, and the Public Records Act would back that up. This City Council, both past and present, has prioritized transparency and public participation.

We are committed to sharing the data we can, openly and in a way anyone interested can digest.

The $750,000 GHG mitigation fund is positive — how will it be allocated, and how can residents participate?

This is still to be determined. The funds will be distributed to local non-profits to complete decarbonization projects in the City. When we have more details or application processes for any assistance that may become available, we will share that information with the public. I’d highly recommend anyone potentially interested sign up for our monthly newsletter, which will have more information when the time comes.

Will future phases undergo full, standalone CEQA review rather than being tiered off the existing Program EIR? What ensures cumulative water, energy, traffic, and GHG impacts from full buildout are re-evaluated, with public hearings, before approving additional phases?

Future phases could be tiered — that is something City staff, as the Lead Agency, would have to determine based on the project proposed. However, tiering does not mean a project wouldn’t undergo extensive review to ensure the impacts analyzed in the EIR adequately address any new project, including cumulative impacts. A tiered EIR would require, at a minimum, public noticing, a comment period, and certification at a public meeting.

What policies or agreements protect resident and community data privacy and prevent warrantless or broad surveillance uses?

This facility does not propose to include any type of external data collection or surveillance, such as cameras, for any reason other than security. How residents choose to share their personal data with companies, and how those companies choose to use it, is not something we can control.

How does the project protect against fire hazards the area has experienced over the past several years?

Per the California Building Code (CBC), the building will be designed by a certified architect and meet all CBC seismic standards; undergo independent review by the Contra Costa County Fire Protection District (ConFire); and be required to obtain any necessary permits from Contra Costa County HazMat. Any building will be required to be built to the most current adopted code. For more granular information, please see the “Hazardous Materials” and “Emergency Services and Public Services” sections of the EIR.

The data center will be surrounded by extensive landscaping and parking area that will provide a buffer from the dry grasses that can catch fire, allowing additional time for ConFire to respond to any incidents. The building will undergo review by ConFire and will be equipped with an extensive fire suppression system. ConFire has been aware of and reviewing this project for several years and has not raised concern over wildfire risk. The project doesn’t conflict with the City’s 2018 Emergency Operations Plan (EOP) or the Contra Costa Operational Area EOP.

How would the nearby school evacuate during a fire, explosion, or hazmat incident?

The City maintains recommended evacuation routes planned in conjunction with multiple agencies, including PUSD. As mentioned, the project doesn’t conflict with the City’s 2018 EOP or the Contra Costa Operational Area EOP, and ConFire has reviewed the evacuation routes around the data center, with a secondary emergency vehicle access route required to connect the data center to West Leland Road.

Schools are legally required to conduct regular fire, earthquake, and evacuation drills. Will the data center — with diesel generators, fuel storage, high-voltage equipment, and batteries — be required to conduct emergency drills, coordinate with ConFire, notify nearby residents of drill schedules, and participate in community-wide disaster planning (evacuation routes, traffic control, communication protocols, emergency shelters, and joint drills involving residents, schools, and first responders)?

Any required fire drills or hazmat drills are under the jurisdiction of Contra Costa County, and the data center will be required to comply with all standard procedures. As noted above, the City maintains recommended evacuation routes developed with multiple agencies, including PUSD, and we are willing to separately review those routes and make recommendations.

Who can I contact with questions?

Please contact Jordan Davis, Director of Community and Economic Development, at (925) 252-4015, or by email at jdavis@pittsburgca.gov.