Ah you’re right. Looks like they’re used for small scale off grid solar installations, not so much at utility scale. It’s been done (link below) but even the on

Ah you’re right. Looks like they’re used for small scale off grid solar installations, not so much at utility scale. It’s been done (link below) but even the one I found is moved over to lithium ion now. https://energy.ehawaii.gov/epd/public/energy-project-details.html?rid=3--1750332b5038042 https://energy.ehawaii.gov/epd/public/energy-project-details...