Georgia Power has begun construction on a 200 MW battery energy storage system (BESS) near its Twiggs County Solar facility, with completion scheduled for 2027.
The Twiggs BESS will store excess solar energy during periods of low demand, ensuring a reliable power supply during peak times.
The increasing power demands of data centers are driving growth in energy infrastructure.
Georgia Power announced last week the start of construction on a 200-megawatt (MW) battery energy storage system (BESS) in Twiggs County, southeast of Macon, Georgia.
The project, approved by the Georgia Public Service Commission (PSC) on September 4, 2025, was selected through competitive processes. The Twiggs BESS, a company-owned facility, will be located adjacent to the existing Twiggs County Solar facility and is expected to be completed by 2027.
The 200 MW system is designed to dispatch stored energy over four hours, thereby enhancing the reliability and resilience of Georgia’s electric grid.
By storing excess energy generated during low-demand periods, the BESS will ensure energy availability during peak demand times, such as cold winter mornings when solar power is unavailable.
This capability enhances the efficiency of renewable energy sources, such as solar, while cost-effectively addressing power needs.
“At Georgia Power, our collaboration with the Georgia PSC and other stakeholders is key to making necessary investments for a reliable and resilient power grid,” said Rick Anderson, senior vice president and senior production officer for Georgia Power.
“With the construction of the 200 MW BESS in Twiggs County, we will be able to better serve our existing customers and support Georgia’s growth. As we expand our energy mix to include more renewable sources, these batteries will play an invaluable role in helping to ensure reliability and flexibility, particularly when renewable sources are not available.”
Crowder Industrial Construction, LLC, is constructing the Twiggs BESS.
In addition to the Twiggs County project, Georgia Power is advancing plans to build four other BESS facilities across the state, totaling 765 MW. These projects, located in Bibb, Cherokee, Floyd, and Lowndes counties, are slated for completion in 2026.
According to Georgia Power, approximately 80% of the projected energy demand is expected to come from data centers, rather than residential customers. This has raised questions about who will bear the financial burden of the $15 billion expansion.
Georgia Power stated that the data centers will be responsible for the full cost of energy generation, transmission, and substations.
The rising power needs of data centers are fueling parallel growth in energy infrastructure. Questions persist nationwide about whether residential and commercial customers might indirectly shoulder some of the financial burden of rising energy demands through future rate increases.
This concern is amplified by the rapid expansion of energy-intensive data centers, which are driving significant infrastructure investments. While these projects bolster construction activity, they also raise questions about the long-term economic impact on consumers and businesses.
In nonresidential construction, a slowdown in late Q3 has tempered the strong growth seen earlier in the year. Year-to-date (YTD), Civil construction growth decelerated to 3% through September, a notable drop from the 7.1% growth recorded at the end of the second quarter.
Similarly, YTD growth in Nonresidential Building spending fell from 18.8% at the end of Q2 to 13.4% through the end of Q3. ConstructConnect Chief Economist Michael Guckes said, “This decline would have been far more severe without a $11 billion surge in data center starts.”
Georgia Power proposed to state regulators last week to spend $15 billion on power projects to address future energy demands. The Georgia Public Service Commission is expected to make its final decision on the proposed energy expansion in December.
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