Energy Startups

Qnetic develops long-duration, grid-scale flywheel energy storage aimed at utilities and AI data centers as an alternative to lithium-ion batteries. The US-based cleantech company is pre-revenue, with a validated prototype and pilots planned from 2027.

2 investors

Questas supplies hydraulic solutions and flow control services to industrial sectors across Australia including manufacturing, construction, mining, and energy through a network of 35 branches.

2 investors

QUIXOTIC provides cloud-based automation and software tools for energy retailers and new energy entrepreneurs to bill, manage, and consume energy, and to create and manage Energy Communities. It targets utilities and market entrants in the energy sector, with roots in utility consulting in Spain.

2 investors

Quorum provides energy industry software, including its Quorum Energy Suite for upstream and midstream workflows, and runs a partner program for system integrators, channel/outsourcing providers, and technology partners. The company serves customers across the energy value chain worldwide.

2 investors

Reload Energy develops and delivers digital and energy infrastructure sites selected for resilient access to fiber, power, water, and natural gas networks. It works with utilities, end-users, regulators, and technology providers, alongside local stakeholders, to build these projects.

2 investors

Rabot Energy offers dynamic electricity tariffs to German households, buying green power on the exchange when prices are low and passing on savings via app-based load shifting. It also provides a companion app, smart meter setup, plug-and-play battery storage (Rabot Flow), and smart EV charging tariffs, all with 100% TÜV-certified green electricity.

2 investors

A software platform that models battery energy storage system (BESS) business cases across European markets, allowing operators to simulate technical configurations, trading strategies, and profitability scenarios. The platform helps energy storage project developers evaluate feasibility and optimize returns through scenario analysis and performance comparison.

2 investors

Reactive Technologies provides GridMetrix®, a grid measurement system combining distributed high-definition IoT devices (XMU) at the grid edge with cloud-based digital signal processing to measure grid inertia and system strength in real time. It serves grid operators, asset owners, and energy market participants managing transmission and distribution grids as renewable and inverter-based resources expand.

2 investors

ReCarbon builds a plasma-based carbon conversion technology that transforms carbon dioxide and methane from industrial emissions and biogas into carbon-negative hydrogen and CO₂-free syngas. The company targets hard-to-abate industries such as steel, chemicals, and cement, offering modular systems to help businesses reduce greenhouse gas emissions.

2 investors

Reeddi provides affordable clean energy solutions and equipment rental services to underserved communities across Africa. The company operates through energy product offerings and TempOwn, an equipment rental platform designed to serve individuals and small businesses in rural and urban African regions.

2 investors

Reefilla provides charging solutions for electric mobility and develops products to replace combustion generators across multiple contexts. The company focuses on enabling energy transition.

2 investors

Reel is a B2B electricity supplier, energy trader, and balancing-responsible party that turns corporate electricity demand into a driver of renewable energy buildout. It serves companies and energy producers with data-driven tools, flexibility, and battery storage to make renewable energy more predictable and profitable while supporting the energy transition.

2 investors

Renew Home provides demand response software that enables energy providers to manage residential electricity consumption during peak demand periods or grid emergencies through smart thermostats. The platform lets customers maintain control while utilities dispatch automated load reduction events to 100+ energy providers across the US.

2 investors

ReNew develops and operates renewable energy projects across India, holding one of the country's largest portfolios of clean energy assets. The company focuses on the clean energy transition and sustainability, positioning itself around decarbonization and renewable power generation.

2 investors

Renovate America provides financing for home improvement projects focused on energy-saving and water-saving upgrades, working with homeowners and contractors. The company positions its programs around reducing homeowners' electric bills and water usage while supporting local contractor jobs.

2 investors

Repath provides forward-looking valuation and risk analysis for infrastructure investors, correcting assumptions such as yield and insurance in assets like renewable energy projects. Its work is illustrated with cases such as an onshore wind farm in Northern England.

2 investors

ReVibe Energy offers ANURA Remote, a self-powered vibration monitoring system for industrial equipment like vibrating screens and feeders. The solution combines wireless sensors with cloud integration to provide real-time machine health data for predictive maintenance and operational efficiency.

2 investors

RGREEN INVEST is an asset manager that finances renewable energy and clean technology infrastructure projects across Europe and OECD countries. Since 2010, it has built partnerships with energy transition entrepreneurs and invested in solar, wind, energy storage, and other green technologies.

2 investors

Rhebo provides OT (operational technology) security solutions, with a focus on protecting critical infrastructure such as water supply and wastewater systems from cyber threats. Its offerings target industrial and utility operators seeking to monitor and secure their operational networks.

2 investors

Rhino provides an online platform that gives U.S. homeowners instant solar pricing quotes and connects them with local solar installers. It positions itself as a residential solar marketplace focused on upfront pricing and handling the installation process.

2 investors

2 investors

RiDERgy provides advanced energy management software for fleet management and EV charging optimization, serving urban mobility solutions with real-time dynamic load management capabilities.

2 investors

Provides satellite-based offshore communications services revolutionizing connectivity for marine and offshore industries.

2 investors

Rimba provides an AI-powered platform for operations, supply chain, and compliance teams in energy and industrial companies. The platform automates manual data entry, reporting, and compliance monitoring across fragmented enterprise systems.

2 investors