In a region where "clean energy startup" is practically a greeting, it's easy to be skeptical when another company promises to revolutionize power. But XGS Energy, working out of Palo Alto, is developing geothermal technology that deserves a serious look — not because of its branding, but because of its fundamentals.

Here's the pitch: XGS is building a next-generation geothermal power system designed to produce energy in far more locations than traditional geothermal allows. Classic geothermal requires very specific geological conditions — think volcanic hotspots, natural steam vents, the kind of stuff you find in Iceland, not Ingleside. XGS claims its approach can tap into heat sources that exist almost everywhere beneath the Earth's surface, dramatically expanding where geothermal plants can actually operate.

Why should a fiscally conservative reader care? Because geothermal, done right, checks every box that wind and solar struggle with. It runs 24/7 — no intermittency, no massive battery storage costs, no prayer circles for sunny weather. The baseload reliability alone makes it a potential game-changer for a state that has flirted with rolling blackouts while simultaneously shutting down reliable power sources.

The technology is still in development, and we've seen enough Bay Area startups flame out after burning through investor cash to know that "promising" and "delivering" are very different verbs. But geothermal has a key advantage over many clean energy plays: the physics are well understood. The challenge is engineering and cost, not wishful thinking.

What San Francisco and California broadly need isn't another subsidy-dependent energy scheme — it's power generation that can compete on price, reliability, and scale without perpetual government life support. If XGS can crack the code on making geothermal economically viable in more locations, that's not just good for the environment. It's good for ratepayers who are tired of watching their PG&E bills climb while politicians lecture them about sacrifice.

We'll be watching. Cautiously optimistic, emphasis on the cautious.