Energy Startups

Maiven helps consumers access clean energy technologies and incentives to reduce energy costs while making environmentally conscious choices. The company simplifies the process of adopting sustainable solutions that benefit households, budgets, and the planet.

1 investor

Mana develops proprietary sodium-ion battery cell designs and electrolytes for applications including defense, aerospace, industrial power backup, datacenters, and electric vehicles. The company partners with established manufacturers to scale production of its anode-free sodium-ion battery technology.

1 investor

Manchester Energy develops and operates a diversified energy logistics platform focused on midstream infrastructure and energy solutions. The company serves customers and stakeholders navigating the energy transition by providing logistics capabilities across various end-use demand segments.

1 investor

ManoCap Energy designs, finances, builds, and operates clean energy infrastructure for businesses in Africa, including hybrid solar-plus-battery power systems and electric fleet solutions funded through power purchase agreements with no upfront cost to the customer. It targets African businesses seeking to lower energy and transport costs and reduce carbon emissions.

1 investor

Mantex develops X-ray and software-based measuring systems for analyzing moisture and ash content in wood-based raw materials and biomass used by paper, pulp, and bioenergy companies. The technology helps customers reduce costs and environmental impact while supporting the green energy transition.

1 investor

Mantis Space is a space utility company focused on delivering more energy to satellites and other assets in low earth orbit. It aims to support the growth of the space economy.

1 investor

Mantle Reach Power develops and operates utility-scale renewable energy projects, including wind, solar, and battery storage facilities across North American power markets.

1 investor

Marathon Fusion develops fuel cycle technologies for fusion energy, including neutron-driven transmutation to produce radioisotopes and gold, advanced pumping for tritium burn efficiency, and isotope separation for fusion and industrial applications. The company supplies critical materials and processing technologies to the fusion energy industry.

1 investor

Marengo uses AI to automate engineering design for data centers, aiming to speed up and reduce the cost of the design process. It works with large-scale data center builders.

1 investor

The Margam Green Energy Plant is a biomass power station in the UK that generates renewable energy by burning waste wood. It operates as part of the clean energy infrastructure sector, with fuel supplied under a long-term contract.

1 investor

Marine Power Systems develops PelaFlex, a floating platform technology for deploying offshore wind turbines in deep waters beyond 60 metres, targeting the 80% of global offshore wind resources previously inaccessible to conventional fixed-bottom installations.

1 investor

Marom Energy is a renewable energy project developer that initiates, develops, and operates medium- and large-scale solar, energy storage, and data center projects on land and rooftops. Based in Israel with activities also in Croatia, it partners with landowners and local communities across the electricity generation value chain.

1 investor

MarsCharge builds electric vehicle chargers designed to support grid resiliency and enable the expansion of decentralized charging infrastructure. The company serves the electric vehicle industry by developing technology for a distributed grid capable of powering widespread EV adoption.

1 investor

Massive Mobility builds EV charging infrastructure and related software in India, including universal AC charging sockets, a smart charging network platform (1Charging.com), an e-rickshaw online marketplace (BharatMobility), and an EV leasing service (ZECAT) for fleet operators and retail users. It serves the electric two-, three-, and four-wheeler ecosystem, partnering with OEMs and government discoms to deploy charging stations.

1 investor

Mastergrid provides custom electrical engineering solutions and expertise for industrial power systems, serving industrial clients with technical design and implementation services.

1 investor

MatAlytics develops real-time AI software that provides physically-based information to power operators for operational decision-making. The company was founded in 2023 as a spin-out from the University of Nottingham, building on academic research into energy systems.

1 investor

Matcha builds a software platform and charge point operator service for EV charging in multifamily and shared residential properties. The company serves property owners and renters, offering dynamic pricing, reservations, and energy management without upfront costs to landlords.

1 investor

Metinvest is developing a steel production facility in Piombino, Italy with the capacity to produce approximately 2.7 million tonnes of low-carbon hot-rolled steel annually. The project is a brownfield investment at the former Lucchini site in Tuscany, designed to strengthen Metinvest's EU-based flat steel position.

1 investor

Material develops HYBRID3D, a proprietary manufacturing platform that produces full-stack batteries in-situ—including anode, cathode, separator, and casing—without molds, enabling batteries to be shaped to fit curves, edges, and voids. The company designs in-house nanomaterial chemistries and current collector-free battery architectures that scale from prototype to production without retooling.

1 investor

Matla A Bokone Solar operates a roughly 75MW solar power plant near Kimberley in South Africa's Northern Cape Province, producing renewable electricity that connects to Eskom's grid. Developed under Round 4 of the South African government's REIPPPP, the project supplies power equivalent to the needs of around 85,000 medium-sized homes.

1 investor

Johnson Matthey is a materials and catalysis company with over 200 years of history in platinum group metals (PGMs). The company operates through core businesses in clean air catalysts for vehicle emission control, PGM services including refining and metal management, clean air solutions for stationary applications, and hydrogen technologies for fuel cells and electrolysers.

1 investor

Maumee Ventures is the venture capital investment arm of The Andersons, focusing on early-stage ag innovation across plant nutrients, crop protection, grain supply chain, freight logistics, precision science, food safety, and renewable energy. The firm provides capital alongside operational support and distribution capabilities rather than pursuing quick exits.

1 investor

Maverick Water Group builds and operates localized non-potable water systems for large-volume water users, offering infrastructure-as-a-service models and capital financing to reduce water costs and consumption. The company serves industrial and commercial clients seeking sustainable water solutions through performance-based contracts and asset ownership.

1 investor

Maxem provides energy management software and charging infrastructure solutions to support organizations in their electrification transition. The company combines expertise in energy, software, and EV charging infrastructure.

1 investor