The Salt River project (SRP) and EDP Renewables North America (EDPR NA) have announced the Flatland energy storage project, a 200MW/800 megawatt hours (MWh) battery energy storage system near Coolidge in the US state of Arizona.
The new energy storage system supports the increasing energy demand in the region.
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The project will utilise lithium-ion technology manufactured by Tesla.
Scheduled for completion in 2025, the facility will have the capacity to power up to 45,000 homes for four hours during peak demand.
The batteries will store excess energy when demand is low, releasing it during peak periods. The project is expected to save 169 million gallons of water annually compared to traditional energy sources.
EDP Renewables North America CEO Sandhya Ganapathy stated: “We’re excited to be partnering with SRP on the largest utility-scale storage project in the EDP Group’s global portfolio to date.
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By GlobalData“Storage is key to modernising the US power grid and is a requisite in accelerating the adoption of renewable energy, while boosting grid reliability and resiliency.”
The Flatland project represents a significant investment in the local economy, with more than $271m in capital investment and an additional $7m in tax payments to local governments.
The project will also create 60 construction jobs and two permanent operational positions, while supporting local small businesses.
The project is a contribution to national energy security, diversifying the power supply in Arizona and across the US.
This is SRP’s second collaboration with EDPR NA, following Brittlebush solar park, which provides 200MW of solar energy to SRP customers.
SRP associate general manager and chief planning strategy and sustainability executive Bobby Olsen stated: “Battery energy storage is an essential piece of SRP’s plan to decarbonise our portfolio and maximise the amount of renewable energy delivered to our customers.
“The Flatland energy storage project will help us meet the increasing energy demand of one of the fastest growing areas of the nation.”
Located within the Brittlebush solar park, the Flatland project will allow energy storage from both the grid and the solar facility, optimising output during peak demand.
SRP’s early adoption of battery storage technology aids in meeting growing peak demand and complements flexible natural gas resources.
SRP is committed to reducing carbon intensity by 82% from 2005 levels by 2035 and achieving net zero carbon emissions by 2050.
The company plans to double its generating resources over the next decade to meet increasing demand in the Phoenix area, as it retires 1,300MW of coal resources.
SRP has 1,300MW of storage and 3,000MW of carbon-free resources online. With more solar energy and storage capacity under development, SRP aims for nearly half of its generation to be carbon-free by 2028.
