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Q2 2026 · Seed · Climate Tech
1 climate tech startups at seed stage ranked by GitHub engineering acceleration in Q2 2026. opennem leads with 29 commits over 14 days (-79%). Seed-stage startups — typically post-angel/accelerator, pre-Series A. Engineering signals here often correlate with the first production build-out and the earliest customer-facing launches.
Investor insight
Seed-stage acceleration is the sweet spot for scouts and solo GPs. Deploy-frequency spikes and infrastructure buildouts at this stage usually precede the Series A announcement by 6-12 weeks. The window to get in before the round is competitive is narrow but real.
| # | Company | Stage | Geo | Commits (14d) | Change | Contributors | Contrib. Growth | New Repos | Signal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | opennem Formerly OpenNEM, Open Electricity aims to make the wealth of public energy data more accessible View signal profile → | Seed | APAC | 29 | -79% | 9 | +121% | 0 | Engineering hiring burst |
Sorted by commit velocity change (14-day window). Stage from contributor count + enrichment. Last updated Q2 2026.
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opennem leads climate tech seed-stage startups in Q2 2026 with 29 commits over a rolling 14-day window (-79% change) and 9 active contributors. Across all 1 climate tech startups at this stage, the average 14-day commit velocity is 29 commits.
Seed-stage acceleration is the sweet spot for scouts and solo GPs. Deploy-frequency spikes and infrastructure buildouts at this stage usually precede the Series A announcement by 6-12 weeks. The window to get in before the round is competitive is narrow but real.
Stage is derived from contributor count, team-size enrichment, and funding history where publicly available. Stage buckets (Pre-Seed, Seed, Series A/B, Growth) use broad matching for sample size. Always verify independently before any investment action.