The round was led by Playground Global. Alva aims to rapidly unlock 10 gigawatts of new electric power generation capacity from the existing U.S. reactor fleet to meet surging power demand from AI and other industrial uses. The company's solution can deliver usable clean energy at scale from existing plants far faster and at much lower cost than new nuclear plants can be built - on a timeline and cost that is competitive with gas-fired generation.

Additional investors in the Series A included Segra Capital, NGP, Mercator Partners, and Alumni Ventures, as well as returning investors 8VC, Logos, Australian energy specialist Simon Holmes à Court, and philanthropist and environmental activist Isabelle Boemeke. Investors from the company's initial funding round include Gigascale Capital, Safar Partners, Collaborative Fund, Activate Global, and Michael Anders, the founder of ICONIQ Capital.

Alva Energy is a nuclear technology company unlocking gigawatts of new clean power from the infrastructure that already exists. By productizing nuclear plant upgrades, known as "uprates," Alva makes it faster, easier, and more predictable to boost output from existing U.S. reactors. Its standardized approach adds 200-300 megawatts of capacity per reactor, targeting a total of 10 gigawatts across the fleet. With real project delivery and regulatory experience at its core, Alva delivers clean, always'on power in years, not decades.