Energy startup ecosystem
We track 111 organisations in this sector across 6+ countries.
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Cleantech Capital Day 2026
The 20th-edition annual conference connecting the Nordic and Baltic cleantech ecosystem, with startup pitch competitions, workshops, and one-on-one investor pitching. Explicitly founder- and investor-focused.
DataCentres Ireland 2026
Ireland's leading data centre conference and exhibition at the RDS Dublin. Combines 100+ exhibitors with multi-stream conference tracks covering colocation, AI, power, cooling and sustainability for 2,000+ infrastructure professionals.
Delfos Energy
AI-powered asset performance management ('virtual engineer') platform for wind, solar, hydro and battery storage assets. Global HQ in Barcelona. Raised about EUR 6.3M in 2024.
Dr. Symeon Kassianides
Founder and leader of the Hyperion Group, with a background spanning energy trading and entrepreneurship. He is an announced speaker at the INSPIRE 2026 Entrepreneurial Festival in Cyprus.
E-world Energy & Water 2026
Europe's defining energy industry fair with Smart Energy and innovation sectors. Price: about EUR 75 day ticket or EUR 225 for 3-day pass. Great for renewable energy, smart metering, and grid intelligence startups.
E-world Energy & Water 2027
E-world Energy & Water 2027 runs 16-18 February at Messe Essen, Europe's leading trade fair for the energy industry. The 2026 edition sold out with more than 1,100 exhibiting companies, and rebooking for 2027 opened immediately afterwards, with organisers reporting record exhibition-space bookings ahead of the show.
E.ON:agile
E.ON:agile is the corporate accelerator and innovation unit of E.ON, one of Europe's largest energy utilities, based in Essen. It runs a structured programme for early-stage energy and cleantech startups, offering funding, mentoring and access to E.ON's business units and customer base to pilot and scale new energy solutions.
Ecosummit Berlin 2026
Climate-tech and green economy matchmaking event at Flussbad Campus (Reethaus), focused on AI-accelerated decarbonization across energy, sustainable buildings, green mobility, and deep tech. Startup Pitch tickets are typically around EUR 600 + VAT and include a guaranteed short on-stage founder pitch in front of active climate investors.
Ecosummit Berlin 2027
ECOSUMMIT.AI Berlin's next edition is confirmed for 12 May 2027, with tickets already on sale. The climate-tech and green-economy matchmaking event focuses on AI-accelerated decarbonization across energy, sustainable buildings, green mobility, and deep tech, with founder pitch slots in front of active climate investors.
EDP Ventures
EDP Ventures is the corporate venture capital arm of EDP — Energias de Portugal, one of Europe's largest energy utilities. Established in 2008 and headquartered in Lisbon, with investment teams in Madrid and São Paulo, it manages €150M and makes five to eight investments a year, writing €1–10M cheques from Seed through Series B with follow-on capacity. Its mandate is tightly aligned with EDP's decarbonisation strategy, targeting renewable energy, grid infrastructure, distributed energy resources, green hydrogen, storage and flexibility, electric mobility and energy-use decarbonisation, plus AI and digital. The fund has backed 40+ active companies across Europe and the Americas, including Portuguese AI unicorn Feedzai, battery-recycling firm Green Li-ion and grid-data platform Energyworx (acquired by Gridspertise in 2025); four portfolio companies featured in the 2024 Global Cleantech 100. By end-2023 EDP Ventures had deployed a cumulative €70M and generated over €115M in contract value for EDP group companies.
Eelume
Eelume is a Trondheim-based deep-tech company spun off from NTNU and SINTEF that develops snake-like autonomous underwater vehicles (AUVs) for subsea inspection, maintenance and repair. Its flexible, modular robots can be permanently stationed at seabed docking facilities at depths up to 500 metres, performing tasks without surface support vessels. In July 2025 the company launched its M-Series AUVs for deep-sea operations, and in September 2025 Equinor acquired the Eelume S vehicle following successful field demonstrations. Eelume also formed a strategic partnership with Maritime Robotics in October 2025 to advance ocean exploration.
EIA Nordic 2026 - Nordic Energy Informatics Academy Conference
The Nordic Energy Informatics Academy Conference, held at the University of Iceland in Reykjavik, explores the intersection of energy systems and informatics. Sessions span smart grids, district heating, electric mobility, industrial efficiency and sustainable buildings, with a dedicated Nordic track on the region's energy transition, bringing together academic researchers and industry innovators.
EIT InnoEnergy
Established 2010. EU-backed accelerator and investor driving sustainable energy transition with funding, IP support, and industry partnerships; 248 investments and 8 exits, including early backing of Northvolt. Scope: International (EU).
Energyworx
Cloud-native time series platform for energy data management and smart grid analytics, automating ingestion, processing and visualization for DSOs and utilities like E-REDES. Acquired by Gridspertise in 2025.
Enpal
Enpal is a Berlin-based cleantech company founded in 2017 that sells and rents residential solar panels, batteries, EV chargers and heat pumps on a subscription model, bundling hardware, installation and financing into a fixed monthly fee. It became Germany's first cleantech unicorn in 2021 and operates a virtual power plant that aggregates its installed base. Revenue surpassed one billion euros in 2025.
Enric Asunción
Co-founder and CEO of Wallbox, the Barcelona EV-charging company that listed on the NYSE. A former Tesla charging engineer, he co-founded Wallbox in 2015 to build smart home and public charging hardware and software.
Fensterbau Frontale 2026
Windows, doors, and facades trade fair with an Architecture & Technology forum. Price: about EUR 30-50. Good for smart glass and energy-efficiency hardware startups.
Fensterbau Frontale 2028
Fensterbau Frontale's next (triennial) edition is confirmed for 28-31 March 2028 in Nuremberg, running parallel to HOLZ-HANDWERK. The windows, doors, and facades trade fair includes an Architecture & Technology forum, and is a good venue for smart-glass and energy-efficiency hardware startups.
Flower
Flower is a Stockholm-based energytech company founded in 2020 by John Diklev; its name is a contraction of flexible power. Flower develops hardware-agnostic AI and machine-learning software for forecasting, optimisation, and trading of flexible energy assets, including large-scale battery energy storage systems, solar and wind farms, hydro, EV charge points, and data centres, operating them as a virtual power plant to provide grid balancing, frequency regulation, congestion management, and day-ahead trading. Alongside its optimisation platform, Flower develops and operates grid-scale battery storage projects in Sweden. The company raised a Series A round led by Northzone in 2024.
Frederico Gonçalves
Managing Director at EDP Ventures, where he leads energy-transition and cleantech investments for the corporate VC arm of EDP across Europe and the Americas, working closely with portfolio companies to deploy their technology within EDP's operations.
