Massive Energy Storage Project to Revolutionize Arizona’s Grid

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DEPCOM Power and Tucson Electric Power (TEP) are collaborating on a groundbreaking project that will transform Arizona’s energy landscape.

The Roadrunner Reserve Energy Storage System, with a storage capacity of 800 MWh AC, will be the largest energy storage system on the TEP grid and one of the largest in the state.

Canadian Solar’s subsidiary, E-Storage, has been contracted to provide 1 GWh DC of energy storage solutions.

This project aligns with TEP’s commitment to reducing carbon emissions and advancing renewable energy goals in Arizona.

Key Takeaways

  • Roadrunner Reserve Energy Storage System, owned by Tucson Electric Power (TEP), is a large-scale energy storage facility being built by DEPCOM Power.
  • The project will have a rated storage capacity of 800 MWh AC, making it the largest energy storage system on the TEP energy grid and one of the largest in Arizona.
  • Canadian Solar’s e-Storage has entered a contract to supply 1 GWh DC of energy storage solutions to DEPCOM Power and TEP, including their proprietary energy storage solution, SolBank.
  • The SolBank energy storage system utilizes high-cycle lithium-ferro-phosphate (LFP) batteries with a 2.8 MWh energy capacity, and it complies with international safety standards while incorporating advanced monitoring and control systems.

Roadrunner Reserve: Arizona’s Largest Energy Storage System

Roadrunner Reserve, owned by Tucson Electric Power (TEP) and built by DEPCOM Power, is set to bring significant advancements in grid stability and renewable energy integration. With a rated storage capacity of 800 MWh AC, it will be the largest energy storage system on TEP’s grid and one of the largest in Arizona.

As the demand for renewable energy continues to grow, the Roadrunner Reserve system will play a crucial role in maintaining grid stability by storing excess energy during periods of low demand and releasing it when demand is high. This will enable a seamless integration of renewable energy sources, ensuring a reliable and sustainable power supply for the region.

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Canadian Solar’s E-Storage Contract for Roadrunner Reserve

Canadian Solar’s e-Storage has secured a contract for supplying and integrating energy storage solutions for the Roadrunner Reserve project, revolutionizing Arizona’s grid.

As part of the contract, Canadian Solar’s e-Storage will deliver its proprietary energy storage solution, SolBank, to the project. SolBank utilizes high-cycle lithium-ferro-phosphate (LFP) batteries with a 2.8 MWh energy capacity. The system is containerized and features liquid cooling mechanisms, humidity control, and multi-level fire safety management systems.

Canadian Solar’s e-Storage has a track record of implementing over 3.3 GWh DC of battery energy storage solutions across various countries.

The Roadrunner Reserve project is scheduled to begin operations in the summer of 2025 and will contribute to Tucson Electric Power’s goal of reducing carbon emissions and adding energy storage to its grid.

SolBank Energy Storage System: Cutting-Edge Technology

The SolBank energy storage system, a cutting-edge technology, plays a crucial role in revolutionizing Arizona’s grid by providing advanced storage solutions for the Roadrunner Reserve project. Developed by e-Storage, SolBank is a proprietary, containerized energy storage system that incorporates state-of-the-art features. The system utilizes LFP batteries with a 2.8 MWh energy capacity and includes liquid cooling mechanisms and humidity control within its battery enclosure. Adhering to the latest international safety standards, SolBank also boasts multi-level fire safety management systems. It is equipped with advanced monitoring and control systems, as well as active cell balancing technology. To highlight the key features of SolBank, the following table provides a summary:

FeatureDescription
Battery TypeLithium-ferro-phosphate (LFP)
Energy Capacity2.8 MWh
Cooling MechanismLiquid cooling
Safety StandardsComplies with international safety standards
Fire Safety ManagementMulti-level fire safety management systems
Monitoring and Control SystemsState-of-the-art monitoring and control systems
Active Cell Balancing TechnologyEnsures optimal performance and longevity of the system

The implementation of SolBank in the Roadrunner Reserve project not only enhances energy storage capabilities but also ensures the safety and reliability of the grid.

Project Timeline for Roadrunner Reserve and Papago Storage

The implementation of the SolBank energy storage system in the Roadrunner Reserve project sets a clear project timeline for the deployment of advanced storage solutions and the revolutionization of Arizona’s grid.

Here are the key milestones for the Roadrunner Reserve and Papago Storage projects:

  • The Papago Storage project is scheduled to be in service in late 2024.
  • The Roadrunner Reserve System project is scheduled to begin operations in the summer of 2025.

These projects align with Tucson Electric Power’s (TEP) 2020 Integrated Resource Plan (IRP) to reduce carbon emissions and add energy storage. TEP will file its next IRP on Nov. 1, 2023, indicating their commitment to meeting operational deadlines.

The Roadrunner Reserve project will serve up to approximately 42,000 homes for a four-hour duration upon project completion.

With these operational deadlines in place, Arizona’s grid is on track to benefit from the revolutionary energy storage capabilities offered by the Roadrunner Reserve and Papago Storage projects.

Expansion and Impact: Advancing Arizona’s Renewable Energy Goals

TEP’s ambitious expansion of renewable resources is set to make a significant impact on advancing Arizona’s renewable energy goals. The Roadrunner Reserve energy storage system, being built by DEPCOM Power and owned by TEP, will play a crucial role in this endeavor. By integrating energy storage, TEP will be able to maintain grid reliability and meet peak energy needs, especially during summer months.

This aligns with TEP’s commitment to reducing carbon emissions and adding energy storage, as stated in its 2020 Integrated Resource Plan (IRP). The Roadrunner Reserve system, with its 800 MWh AC storage capacity, will be one of the largest energy storage systems in Arizona. It will not only serve a significant number of homes but also contribute to the region’s renewable energy goals.

The benefits of energy storage integration include enhanced grid stability, improved renewable energy integration, and reduced reliance on fossil fuels. As TEP continues to expand its renewable resources, the Roadrunner Reserve project will play a crucial role in the transition to a more sustainable energy future for Arizona.

Wrap Up

The Roadrunner Reserve Energy Storage System, developed by DEPCOM Power for Tucson Electric Power, is set to revolutionize Arizona’s energy landscape.

With a storage capacity of 800 MWh AC, it will be the largest energy storage system on the TEP grid and one of the largest in the state.

Canadian Solar’s e-Storage subsidiary will provide 1 GWh DC of energy storage solutions for the project, utilizing their advanced SolBank technology.

This project will greatly enhance grid reliability and contribute to Arizona’s renewable energy goals.

Author

  • John Miller

    John Miller is a seasoned professional in the field of solar energy, holding a Bachelor's degree in Electrical Engineering from UCSD and a Master's degree in Sustainable Energy Systems from the University of Michigan. With his expertise in solar panel design, system integration, and performance analysis, John specializes in developing and implementing customized solar power solutions for residential and commercial applications for some of the nation’s top solar providers.

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