Energy Startups

Reverse Energy Solutions provides dismantling and material recovery services for photovoltaic modules and data center equipment at end-of-life. The company recovers valuable materials for reintegration into supply chains while reducing logistics costs and environmental impact.

1 investor

Revive Infrastructure Group provides telecommunications and utility infrastructure construction services, including telecommunications installation, broadband deployment, and utility contracting across multiple regions.

1 investor

Revolty manufactures and sells lithium battery systems that store solar energy for residential use, with a focus on circular economy by reusing certified second-life battery cells. The company serves French homeowners with solar installations, enabling energy self-consumption and reducing electricity bills.

1 investor

Rexel is a leading electrical equipment distributor supplying products, solutions, and services for energy efficiency, industrial automation, and smart building technologies. The company serves customers through digital platforms offering real-time inventory management and data-driven insights.

1 investor

RF Semi manufactures LED lighting products and smart control systems, including LUNGO LED bulbs, wireless light control systems, and cloud-based smart streetlight management solutions. The company serves retail stores, factories, municipalities, farms, and commercial facilities in South Korea, the United States, Brazil, and Vietnam.

1 investor

Ride Commerce builds AI agents that co-optimize compute demand and energy distribution, coordinating millions of prosumers and distributed energy assets such as batteries and virtual power plants in real time. It also offers a natural-language interface to Snowflake data warehouses so energy operators can query grid data and get insights without writing SQL.

1 investor

Riding Sunbeams develops and connects solar, wind and energy storage assets to power rail traction networks with direct-wire renewable electricity, aiming to decarbonise railways, metros and trams. It also plans to offer community and commuter ownership of solar farms, operating in the UK and internationally.

1 investor

Rishabh Instruments designs, manufactures, and supplies electrical measurement, automation, and control devices along with precision die-casting components for power generation, utilities, automotive, solar, and industrial sectors across over 100 countries. The company also provides software platforms and specialized manufacturing services through facilities in India, Poland, and China.

1 investor

Stabil Drill designs and manufactures downhole drilling tools in-house, offering a rental fleet of more than 25,000 tools along with repair and technical support for oil and gas drilling operators. It serves offshore, land, and unconventional energy operations through locations worldwide, with affiliated partners Workstrings International and Quail Tools providing tubular rentals.

1 investor

RIVE is an investment firm focused on energy transition infrastructure, backing entrepreneurs across the energy value chain including renewables, sustainable thermal energy, green gas, energy storage, and charging infrastructure.

1 investor

RiverRidge is a waste management company based in Northern Ireland that provides waste treatment, recycling, and resource recovery solutions for businesses and communities, operating multiple treatment facilities with a focus on reducing landfill reliance.

1 investor

RIZM provides software that integrates data from production, energy procurement, and infrastructure and uses algorithms to optimize energy system design, procurement, control, and production decisions for industrial companies. It serves large manufacturers such as the BMW Group, which uses it to optimize the energy concepts of its plants worldwide.

1 investor

Roadrunner Venture Studios is a venture studio that builds and invests in deep tech startups across energy, advanced manufacturing, quantum, and advanced materials. It partners with universities, national labs, and the private sector to develop ideas, and works alongside America's Frontier Fund with a focus on American technological competitiveness.

1 investor

Roam provides EV charging infrastructure across the UK, offering fully funded and client-funded charger installation and maintenance for businesses, along with a driver app for locating and paying for charging sessions. It serves both businesses installing chargers and EV drivers seeking charging locations.

1 investor

Robinsun sells plug-in solar kits for home self-consumption, including 800 W systems and solar battery storage, aimed at households looking to lower their electricity bills. The company serves the Spanish and Portuguese markets.

1 investor

RKX Rock Extraction develops an electric rock breaker that uses controlled shock to fragment rock without explosives, serving mining and construction sectors. The company addresses the safety and environmental hazards of blasting and the inefficiency of hydraulic hammers.

1 investor

RocketHome provides building and energy intelligence software and IoT modules — including home energy management, EV charging, smart access, and smart building solutions — for companies in the real estate, energy, and infrastructure sectors. Its AI-based solutions support residents, tenants, owners, and property managers across the building lifecycle, covering PV, mobility, heating, decarbonization, and digital property management.

1 investor

Rockfin is a Polish engineering and manufacturing company that designs and builds auxiliary and process systems for the energy sector, covering nuclear, conventional and distributed power, oil and gas, hydrogen and alternative fuels, and renewable energy. It also serves industrial and defense customers and provides maintenance, modernization, and custom components such as pressure vessels, filtration systems, and valves.

1 investor

Rodan Energy Solutions is a North American energy services company that helps large energy users, utilities and power producers reduce electricity costs, earn revenue from grid programs, and operate energy assets. It combines real-time operations, power systems engineering and energy intelligence software across five North American ISOs.

1 investor

Roofit.Solar develops integrated metal solar roofs that combine roofing and photovoltaic electricity generation while preserving a conventional roof appearance. It offers full-service solar roof installations for homeowners and businesses, with a focus on residential and architecturally sensitive buildings, and has installed in over 30 countries.

1 investor

Rose Rock Bridge is a pilot deployment studio that helps innovation-driven startups run and scope pilots with corporate partners in order to derisk their technologies. It operates as part of Tulsa Innovation Labs and invests in portfolio startups, supported by a consortium of industry, venture capital, and startup partners.

1 investor

RLC operates a network of six logistics support bases across three U.S. states serving the Gulf of Mexico and continental shelf, offering infrastructure such as parking, passenger waiting areas, customer meeting rooms, and on-site technicians. The company provides logistics support facilities for offshore and energy-sector customers.

1 investor

Roundtrip EV provides end-to-end electrification services for waste management fleets, including design, implementation, monitoring, and optimization of electric trucks and charging infrastructure for haulers and municipalities. The company offers a comprehensive service model with a fixed monthly fee that covers truck procurement, charger installation, software integration, maintenance, and fleet management.

1 investor

Rovial develops high-power systems for satellites, aiming to provide greater in-orbit power capacity at lower cost than current 25-30KW satellites. It targets GEO/MEO applications such as in-orbit data processing, secure data centers, in-orbit manufacturing, high-power radars, detection payloads, lasers, and lunar missions.

1 investor