Why lithium-sulfur batteries could give Europe its own battery future Energy Why lithium-sulfur batteries could give Europe its own battery futureCopying the incumbent battery playbook is not working. Alteva Technologies argues that a different chemistry,…ElenaSeptember 28, 2026
EV smart charging: how Gridio turns grid stress into grid success Energy EV smart charging: how Gridio turns grid stress into grid successMillions of EVs could strain grids at peak time. Gridio wants to turn them into…ElenaSeptember 25, 2026
Hourly energy matching: why most 100% renewable claims aren’t Energy Hourly energy matching: why most 100% renewable claims aren’tAnnual accounting lets a company match summer solar against winter demand. Renewabl's case for procurement…ElenaSeptember 24, 2026
Hyperscalers and clean energy: is AI demand a problem or a catalyst? Energy Hyperscalers and clean energy: is AI demand a problem or a catalyst?A single AI chip draws as much power as a household, and millions ship every…ElenaSeptember 21, 2026
Scaling climate tech: a blueprint from pre-seed to IPO Energy Scaling climate tech: a blueprint from pre-seed to IPOMost energy transition companies are hardware companies, and hardware does not scale the way software…ElenaSeptember 16, 2026
Zinc-ion batteries: what changes when fire stops being a risk Energy Zinc-ion batteries: what changes when fire stops being a riskThe battery industry spends enormous effort containing thermal runaway. Enerpoly's argument is that the effort…ElenaSeptember 15, 2026
Funding deep tech: raising capital a decade before revenue Energy Funding deep tech: raising capital a decade before revenueA fusion company has no product to sell until roughly 2030. Marvel Fusion's CFO explains…ElenaSeptember 15, 2026
China’s cleantech surge: what Europe and the US can learn Energy China’s cleantech surge: what Europe and the US can learnLong-term planning, cheap electricity and a domestic market. A think tank analyst and two investors…ElenaSeptember 11, 2026
Data center energy: the startups racing to power AI compute Energy Data center energy: the startups racing to power AI computeCooling that reaches minus 35°C, solar stored as heat for days, a fusion reactor shaped…ElenaSeptember 11, 2026
Corporate net zero: how companies move beyond compliance Energy Corporate net zero: how companies move beyond complianceRegulators are simplifying and deadlines are slipping. So what keeps decarbonization moving? Four leaders on…ElenaSeptember 10, 2026