Climate & energy startups in Berlin

Residential solar / clean-energy subscription unicorn — panels, storage, heat pumps and EV chargers on a rental model. Raised ~$1.5B (Oct 2024, largely debt) to scale German rooftop solar; one of Berlin's bi...

Fabian Heilemann

AENU is a Berlin-based impact/climate VC backing seed to Series A startups across renewable energy, energy storage and sustainable materials, structured as an evergreen fund with an impact-first mandate.

Climate-fintech platform connecting sustainable-energy product makers (solar, heat pumps, EV) with embedded financing. Raised ~€5M seed (Oct 2025). Sits at the climate × fintech intersection powering Germany...

Rainer Hönig

Founded 2018, betteries gives discarded EV lithium-ion batteries a second life, repurposing used modules into modular 'betterPacks' for off-grid power, light electric mobility and energy access in emerging m...

Alexander Argyros, Vivian Bertseka & Gerardo Bonilla

Founded 2022, BlueLayer builds software for carbon-project developers to manage, track and scale carbon-credit projects across their lifecycle. It raised USD 10M across two rounds (announced January 2024) to...

Magnus Drewelies & Jan Oltmanns

Founded 2021, CEEZER runs an AI-driven data platform and marketplace giving corporates transparent access to the voluntary carbon market, spanning technologies from biochar to mineralization. It raised a EUR...

Joel Tasche, Bosse Rothe & Florin Dinga

Founded 2020, CleanHub is digital infrastructure for plastic-waste collection: it uses AI-based tracking to fund and verify waste recovery in coastal regions, letting consumer brands offset plastic via a cre...

Kilian Zedelius (co-founder)

Founded 2024, Co-Power installs and operates on-site battery storage and solar PV for industrial clients with no upfront cost, networking them into an industrial Virtual Power Plant. Its software layer optim...

Ultra-early wildfire-detection and forest-monitoring IoT — solar-powered gas sensors, large-scale LoRaWAN mesh gateways and a cloud platform. Frequently cited as a top Berlin-region climate/agritech-adjacent...

Mario Schmitt, Micheil Gordon & Stefanie Gerhart

Founded 2021, ecoLocked turns biochar from captured carbon and biomass waste into EN-12878-certified concrete admixtures, making buildings permanent carbon sinks (up to ~250 kg CO2 sequestered per cubic mete...

Emanuel Heisenberg

Founded 2019, ecoworks pioneered serial (industrialized, prefabricated) energy renovation in Germany, using AI-driven 3D planning and digital twins to retrofit apartment blocks to near-zero energy while tena...

Jan Dzulko

Founded 2016, Everphone runs a circular Device-as-a-Service model, leasing and managing corporate smartphones, tablets and laptops end-to-end, then refurbishing them for a second life (each two-cycle phone s...

Sebastian Heitmann & Yair Reem (partners)

Founded 2020, Extantia is a Berlin climate-tech VC hunting the next 'Gigacorn' in breakthrough decarbonization tech. It closed its oversubscribed Article-9 flagship fund at EUR 204M and manages ~EUR 300M AuM...

René Haas & Silvain Toromanoff

Founded 2021, NeoCarbon retrofits Direct Air Capture (DAC) modules into existing industrial cooling towers, reusing their airflow and waste heat to slash the cost of pulling CO2 from the atmosphere. It has r...

Matthias Martensen & Karl Villanueva

Founded 2021, Ostrom is a digital 100%-green energy retailer with an app-first, smart-meter-based tariff that lets households manage contracts and smart devices and shift consumption to cheap/green hours. It...

Lubomila Jordanova & Nathan Bonnisseau

Founded 2017, Plan A is a SaaS corporate carbon-accounting and decarbonization platform covering scope 1/2/3 emissions, target-setting and regulation-compliant ESG reporting. It raised USD 27M (2023) from Li...

Elias Aruna (CEO & co-founder)

Founded January 2024, Scale Energy deploys industrial battery storage at existing grid connections to build what it bills as Europe's largest decentralized battery-energy-storage network. It raised a EUR 2M ...

Grid-scale battery-storage developer/operator monetising flexibility on energy markets (founded 2021). Uses debt + venture financing to build renewable storage hardware — part of Berlin's growing energy-stor...

Marek Slavik (founder); Ulrich Ehmes (CEO)

Founded 2020 in the Berlin-Adlershof technology park, theion develops 'crystal battery' lithium-sulfur cell technology promising far higher energy density and lower cost/CO2 than lithium-ion, targeting aviat...

Philipp Pausder, Florian Tetzlaff & Kristofer Fichtner

Founded 2012/2013, Thermondo is Germany's largest heat-pump and heating-systems installer, digitizing the home heat-transition from lead to install. Majority-acquired by Brookfield in 2021, it secured a fres...

Daria Saharova, Danijel Višević, Tim Schumacher & Craig Douglas

Founded 2021, World Fund is Europe's largest climate-tech VC, closing a milestone EUR 300M fund in March 2024 (the largest first-time climate fund in European VC history). It uses an in-house science-based '...

Alex Melzer & Gregor Loukidis

Founded 2016, Zolar is a digital platform for residential solar-plus-storage, letting homeowners configure and finance PV systems online. It raised a EUR 100M Series C in 2024 led by Energy Impact Partners a...