Climate Tech IPOs Are Finally Happening — But Will They Stick?

The IPO window climate tech has been waiting for is cracking open

For years, climate tech startups have been sitting on a pile of venture capital with no clear exit in sight. That might be changing. X-energy, a small modular nuclear reactor company, just made its public debut. Fervo Energy, which is building next-generation geothermal power, is reportedly close behind. Two data points don't make a trend — but they're worth paying attention to.

The timing makes sense. Interest rates are starting to ease, institutional investors are hungry for long-duration assets with a strong story, and clean energy — specifically the kind that doesn't go dark when the sun sets or the wind dies — is becoming harder to dismiss. Nuclear and geothermal share one killer feature that solar and wind don't: they produce baseload power around the clock. That's a serious advantage in a grid that's getting more stressed, not less.

Still, let's not get ahead of ourselves. Climate tech has been burned before — the SPAC frenzy of 2020-2022 left a graveyard of overvalued green companies that couldn't survive contact with public market scrutiny. The real test for X-energy and Fervo isn't the IPO day pop — it's whether they hold up over the next four to six quarters. Profitability in energy infrastructure is a slow, capital-intensive game. Hype doesn't pay the bills.

That said, if these two hold their ground, expect a wave of energy infrastructure startups to start eyeing the public markets. The sector has been maturing quietly while everyone was distracted by AI. Maybe the market is finally ready to notice.

Source: TechCrunch