
The 2026/27 BRA delivered historic capacity prices, reaching the FERC-approved price cap. The RTO-wide clearing price of $329.17/MW-day represents a 22% increase from last year’s BRA for 2025/26, which itself was an 833% increase from 2024/25.

Tesla has offered several models of the Powerwall since its introduction in April 2015. The original Powerwall (retroactively referred to as the Powerwall 1) had a 6.4 kWh capacity and was capable of delivering 3.3 kW of power. Tesla introduced an improved Powerwall 2 in October 2016 with a 13.5 kWh capacity and capable of delivering 5 kW of power continuously and up to 7 kW of peak power in short bursts (up to 10.