October 19, Entergy Arkansas announced expanded service for Google’s West Memphis campus, proposing 1,000 MWh and 400 MWh battery systems and a power purchase agreement covering 440 MWac from Big Island Solar. Both batteries are expected online in 2028.
The plan also includes expanding Galet substation and building two 230 kV transmission lines. Google will cover approximately $600 million in planned investment and the power purchase agreement. The expansion will be submitted to the Arkansas Public Service Commission, with service expected in 2028 subject to approval.



