Joseph Mills, Asset Manager for Battery & Solar at Ormat, manages over 2GW of renewable assets across PJM, CAISO, and ERCOT, applying his natural gas trading background to optimize battery storage and solar portfolios in real time. His approach treats renewable energy like an active trading position rather than set-and-forget infrastructure, focusing on revenue stacking through lost opportunity credits, energy arbitrage in 5-minute windows, and solar-plus-storage co-optimization that charges batteries during midday curtailment and discharges during evening ramp hours.

The grid must recognize that battery systems function as both generators and loads simultaneously rather than forcing operators to choose one designation. Joseph argues that utilities and ISOs risk losing control to hyperscalers unless they proactively collaborate on load timing, while data centers can reduce grid burden by accepting 99.9% uptime with strategic quarterly outages as GPU chips coordinate to stagger demand peaks. For microgrids, coincidental load timing between facility ramp-up and grid demand windows matters more than technology choices.

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