THE VACA DIXON Power Center PROJECT

The Vaca Dixon Power Center Project is a progressive battery energy storage system (BESS) in Vacaville, California, is designed to support the state’s clean energy transition and the region’s growing demand for electricity.

Project Components

The Vaca Dixon Power Center Project will consist of two components:

Component 1
Vaca Dixon BESS

Component one will consist of a 57-megawatt, 1-hour (57-megawatt hour) battery energy storage solution (BESS) to support California’s decarbonization goals and growing electricity demand. The project will use a collection of one-hour batteries housed in 21 low-profile enclosures, a design that minimizes visual impact while ensuring safe and efficient operations.

Component 2
Arges BESS

Component 2 will include a 100-megawatt, 4-hour BESS (400-megawatt hours) with 50 enclosures of the same low-profile design. The project is ideally sited among similar infrastructure and will feature a creative landscape design including native shrubs and trees, improving the area’s overall beautification.

Project Features

The Vaca Dixon Power Center Project Vaca Dixon Homepage op 2 1 bio closed 3 2

Strategic Location

Located in Vacaville, California, adjacent to Interstate 80 and near the existing Vaca Dixon Peaker Plant and the PG&E Vaca-Dixon Substation, the project is strategically located to interconnect to the electrical grid and increase grid stability. The Vaca Dixon 57-megawatt hour BESS component is designed to operate in lieu of the Vaca Dixon Peaker Plant which will reduce emissions from gas fueled electricity generation. The overall project will help lower energy costs, improve grid reliability, and strengthen California’s transition to a more resilient, clean energy future.

Project Features

One of the most common questions we receive is: Why here? The answer is usually a combination of factors including:

1. Electricity Demand.

The location is near where more electricity is needed

2. Interconnection.

There is room on the transmission grid to accept and transport more electricity

3. Responsibly Sited.

The project site is well-suited for this infrastructure and any impacts can be mitigated

4. State Policy.

California energy policy has led to greater electricity use and important decarbonization goals

What makes the Vaca Dixon site ideal?

The Vaca Dixon Power Center Project bridge

Located where there is a growing need for more electricity

The Vaca Dixon Power Center Project infrastructure

The new infrastructure (transmission and batteries) will be placed in an area near to similar types of infrastructure

The Vaca Dixon Power Center Project battery

The battery system will operate in coordination with the existing natural gas generation; delivering a reliable and cost effective way to meet the demand for electricity

Meeting California's Leadership on Decarbonization

California and Middle River Power are moving fast to cut carbon and meet growing power needs. Our project helps deliver on that goal – adding clean energy while keeping the grid reliable, costs in check, and communities safe.

2015

SB 350

Set bold targets: 50% renewable electricity and major cuts to power plant emissions by 2030.

2016
SB 32
Expanded the goal: reduce all greenhouse gas emissions statewide to 40% below 1990 levels by 2030.
2018
SB 100
Raised the bar: 60% renewable electricity by 2030 and 100% clean, carbon-free power by 2045.
2022

Advanced
Clean Cards II
Rule adopted: all
new car sales must
be zero-emission
by 2035.

2023
Advanced Clean Fleets Set the path: all new truck sales must be zero-emission by 2040.
The Vaca Dixon Power Center Project Arrows 1 1 1
The result
California is moving faster than anywhere else in the U.S to grow renewable energy, cut pollution, and build a cleaner future.

Project Events

The latest information on upcoming project milestones and opportunities to connect with the Vaca Dixon team.

OCTOBER 15, 2025

Community Open House

OCTOBER 15, 2025

Community Open House

OCTOBER 15, 2025

Community Open House

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FAQ

What are battery energy storage systems?

We are eager to get to know the community, address questions, and learn how our work can support local goals. If you have a question or would like to set up a meeting to learn more about the project, please don’t hesitate to contact us.

We are eager to get to know the community, address questions, and learn how our work can support local goals. If you have a question or would like to set up a meeting to learn more about the project, please don’t hesitate to contact us.
We are eager to get to know the community, address questions, and learn how our work can support local goals. If you have a question or would like to set up a meeting to learn more about the project, please don’t hesitate to contact us.

We are eager to get to know the community, address questions, and learn how our work can support local goals. If you have a question or would like to set up a meeting to learn more about the project, please don’t hesitate to contact us.

Talk to the team

We are eager to get to know the community, address questions, and learn how our work can support local goals. If you have a question or would like to set up a meeting to learn more about the project, please don’t hesitate to contact us.

The Vaca Dixon Power Center Project Dan Harmon 1

Dan Harmon

Vice President - Project Development

The Vaca Dixon Power Center Project Jon Boyer 1

Jon Boyer

Director - Environmental, Health, and Safety

The Vaca Dixon Power Center Project Robert Ray 2

Robert Ray

Principal - Environmental Planner and Project Director

The Vaca Dixon Power Center Project Maribeth

Maribeth Sawchuk

Principal - Community Relations