The plans lock in subscription and energy pricing for the first 36 months. Palmetto, a North Carolina-based company that offers solar and backup battery plans in about two dozen states, has a similar retail product for eligible Texas customers. The 24-month plan offers a $95 installation fee and on-peak energy for less than 8 cents per kWh. “Attention is turning to this as a particularly powerful tool for not just helping customers manage their own energy requirements, but also providing value to the grid,” he said. “The value of a battery to the grid can be fundamentally different even one mile apart,” Campo told Utility Dive in an interview.