Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $450M Series A (Feb 2026) — largest fusion Series A ever — led by Bessemer and GV. Founded by Twilio co-founder Jeff Lawson and NIF lead scientist Annie Kritcher.
Inertia Enterprises is a fusion energy company founded by Twilio co-founder Jeff Lawson and Annie Kritcher, the National Ignition Facility lead scientist who oversaw the 2022 fusion ignition breakthrough — the first controlled fusion reaction to achieve scientific net energy gain. The company raised $450 million in Series A financing in February 2026 led by Bessemer Venture Partners and Alphabet's GV, the largest fusion Series A on record.
Grid capacity mapping platform for solar and storage developers pre-computing interconnection availability; $66M raised serving AES and Invenergy with 500+ GW analyzed across MISO, ERCOT, PJM markets.
Nira Energy is a Denver-based renewable energy software company providing grid capacity mapping and interconnection analysis tools that help solar, battery storage, and data center developers identify optimal project sites based on available grid capacity — reducing the years-long interconnection study process to minutes by pre-computing capacity availability across major US electricity markets. Backed by Y Combinator with $66 million raised, Nira generated $3.6 million in revenue in 2024, serving 100+ leading energy developers including AES, Invenergy, and Scout Energy with 500+ gigawatts of interconnection studies processed.
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