Andrew Waranch is the founder, president and CEO of Spearmint Energy. The company developed and is operating the 150-megawatt/300-megawatt-hour Revolution project in West Texas, one of the largest battery energy storage systems (BESS) in the United States. Kali Persall, editor of Institutional Investing in Infrastructure (i3), and Waranch recently discussed the BESS market and the company’s new art installation initiative in a video interview. The following is an excerpt of that conversation.

How has the BESS development market grown or changed since 2024, and where do you see it headed in 2025?

Battery energy storage has accelerated across the country. New technology, coupled with the material and operational costs