Berlin-based condom producer Einhorn has promoted its mission to protect the environment with products like its vegan, fair-trade rubbers. Now, it’s taking that ambition out of the bedroom and onto the balcony.

In a fundraising video for the company’s solar panels — modules roughly the size of a beach blanket that can be draped like a towel over a railing — bare-chested co-founder Waldemar Zeiler touts the devices, and declares his goal to sell enough to replace a coal-fired power plant.