alt Hacker NewsWind power. Mix with emergency reserves running on open cycle gas turbines, if deemed necessary, preferably running on with carbon neutral fuel. Optimize for lowest possible CAPEX.
That is contingent on that we’re not wasting money and opportunity cost that could have larger impact decarbonizing agriculture, construction, aviation, maritime shipping etc.
The next hot thing (pun intended) is geothermal. The tech to drill deep enough opens up the possibility of extracting geothermal energy in most of the world. The tech exists and is deployed. Scaling is not yet proven but is very plausible. Geothermal runs 24/7 and can be clean base load power.