Sourcery Base Power Raises $1B led by Addition, with Trust Ventures, Valor Equity, Thrive, Lightspeed, a16z, Altimeter, Stepstone, Elad Gil
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Oct 8, 2025 
Zach Dell, Co-founder and CEO of Base Power, leads a dynamic company shaking up America's energy landscape with rapid deployment and domestic manufacturing of distributed batteries. He discusses raising $1B in Series C funding and highlights the unique mix of strategic investors fueling their growth. The conversation also delves into why energy is now the bottleneck for AI innovation, the excitement of expanding into high-solar states, and the ambitious plans to launch their first factory in Austin, all while emphasizing a blue-collar culture of teamwork and hands-on leadership.
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Rapid Momentum Fueled The $1B Raise
- Base raised a $1B Series C because demand and momentum accelerated rapidly.
- Zach attributes the round to fast growth, reinvestment by existing backers, and Addition catalyzing the raise.
Leaders Roll Up Their Sleeves
- Early leaders at Base stayed individual contributors and did the hands-on work themselves.
- Cole and Zach even drove to Round Rock and knocked on doors to recruit first customers.
Solar + Storage Define The Future Grid
- The next five decades of energy will be defined by solar and battery storage due to cost advantages.
- Zach Dell says this shift is driven by economics, not just climate motives.