{"changes":[],"country":"US","description":"Zeno Power develops radioisotope Stirling generators, compact nuclear batteries that convert heat from radioactive decay into reliable power for years in extreme environments. It serves NASA, the Department of Defense, and the Space Force. Its edge is a patented design that delivers steady autonomous power where conventional batteries fail.","domain":"zenopower.com","employees":null,"founded":2018,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"energy","investors":["techstars"],"lat":38.895098,"lng":-77.036385,"location":"Washington DC, USA","name":"Zeno Power","rounds":[{"amountQuarantined":false,"amountUsd":50000000,"currency":"USD","date":"2025-05-01","investors":["techstars"],"leadInvestor":"techstars","source":{"fact":"round","publisher":"accelerator","retrievedAt":"2026-05-07","status":"attributed","url":null},"status":"attributed","type":"series-b","url":null}],"slug":"zenopower-com","sources":[{"fact":"round","publisher":"accelerator","retrievedAt":"2026-05-07","status":"attributed","url":null},{"fact":"existence","publisher":"zenopower.com","retrievedAt":"2026-05-07","status":"self-reported","url":"https://zenopower.com"},{"fact":"description","publisher":"zenopower.com","retrievedAt":"2026-05-07","status":"self-reported","url":"https://zenopower.com"}],"stage":"series-b+","techStack":["Cloudflare","Three.js","jsDelivr","particles.js","cdnjs","jquery 3.5.1"],"totalRaisedUsd":50000000,"updatedAt":"2026-05-07"}