Enhanced geothermal systems for clean firm energy generation: "As a result, in the USA, enhanced geothermal is expected to achieve plant capital costs (US$4,500 kW−1) and a levelized cost of electricity (US$80 MWh−1) that are competitive with market electricity prices by 2027."
Metaculus has very different odds: https://www.metaculus.com/questions/3665/renewable-electricity-25-48-by-2030/
"Solar was the main supplier of electricity growth, according to Ember, adding more than twice as much new electricity generation as coal in 2023. It was the fastest-growing source of electricity for the 19th consecutive year, and also became the largest source of new electricity for the second year running, after surpassing wind power. [...] World leaders are aiming to grow renewables to 60% of global electricity by 2030 under an agreement struck at the UN’s Cop28 climate change conference in December."