Energy Startups

Optivolt designs and manufactures home solar systems with adaptive intelligence that optimize energy generation in real time. The systems serve homeowners looking to reduce electricity costs and carbon emissions through sustainable power generation.

2 investors

OpusFlow is an all-in-one business management platform (ERP) for solar, heat pump, battery, and EV-charging installation companies, connecting CRM, quoting, planning, operations, and back-office finance in one system. It includes industry-specific tools such as PV system design, DIN EN 12831 heat pump sizing, energy simulation, and ROI calculation, plus a built-in conversational AI assistant called OpusAI.

2 investors

Orbio Earth provides satellite-based methane emission data to financial investors and institutions, replacing traditional estimation methods used in the oil and gas sector. The company uses satellite imagery to monitor methane releases from oil and gas facilities globally, enabling investment firms to assess regulatory compliance risks and identify higher-performing operators.

2 investors

Origis Energy is a renewable energy and decarbonization platform that develops and operates utility-scale solar and battery energy storage plants supplying grid power across the United States. It works with utilities such as TVA to deliver projects combining solar generation and battery storage.

2 investors

Orkestra provides energy modelling software for commercial and industrial (C&I) solar and battery projects, offering feasibility analysis, configurable system design, pre-loaded tariff and load data, and shareable reporting. It also offers an asset management platform to track energy and financial performance of solar and battery portfolios, aimed at energy consultants and sustainability teams.

2 investors

Otark operates a digital platform for procuring and selling certified green electricity in Germany, connecting industrial and mid-sized buyers directly with producers through a PPA marketplace, standardized 1-Click PPAs, and a planned Green SPOT day-ahead exchange. It handles contract execution including physical delivery, balancing group coordination, guarantee-of-origin transfers, and settlement data for its 350+ business customers.

2 investors

OXCCU develops a patented one-step Fischer-Tropsch catalyst and reactor that converts waste carbon sources—CO2, CO, hydrogen, biomethane, and gasified biomass—into sustainable aviation fuel (SAF), petrochemicals, and biodegradable plastics. Spun out of the University of Oxford, it operates the OX1 demonstration plant at Oxford Airport and offers engineering packages for scaling low-cost, low-emission fuel production.

2 investors

Panoramic Power offers a device-level energy monitoring system using wireless, self-powered sensors, advanced metering, and cloud connectivity to stream real-time energy data across industrial and commercial facilities. It serves operations teams and plant managers seeking to identify energy waste, reduce costs, and improve performance across multiple sites.

2 investors

Paradigm designs and manufactures pollution control devices for diesel and gasoline engines that reduce emissions and particulate matter while lowering maintenance costs and fuel consumption. The company serves the transportation, construction, mining, agriculture, marine and industrial sectors using diesel and gas engines.

2 investors

Payaca is an all-in-one operating platform for clean tech installers, combining CRM, quoting, scheduling, permit and interconnection tracking, invoicing, and compliance for solar, heat pump, battery, and EV charger installation businesses. It targets US and worldwide installers, offering AI-native features and enterprise-scale tools with accounting integrations like Xero and QuickBooks.

2 investors

Pearl Certification operates a national home performance registry that verifies and records energy-efficiency and other home improvements, giving homeowners a permanent record that stays with the property so upgrades can be accurately valued. It serves homeowners and public energy programs across the United States.

2 investors

Pembroke Olive Downs is an Australian company developing steelmaking coal projects, operating the Olive Downs Mine to supply metallurgical coal to global markets. It focuses on mining that considers environmental restoration and regional community benefits.

2 investors

Perceptual Robotics provides AI-powered autonomous drone inspection for wind turbines, including self-service drone inspections, piloted inspection services, data ingestion, and AI-driven damage detection and reporting. It serves wind farm owners and operators, OEM procurement teams, asset managers, and drone/ISP service companies in the wind energy sector.

2 investors

Perovskia Solar develops custom perovskite solar cells that capture both indoor and outdoor light to power low-consumption devices, extending battery life or removing batteries entirely, and markets to IoT sensor, industrial electronics, and automotive customers. The company manufactures its cells from low-carbon, recyclable materials at its production facility in Switzerland.

2 investors

Petra Power develops on-site power generation systems for data centers, industrial facilities, and utility-scale applications. The company offers hyper-efficient power solutions deployable in months that run on natural gas, diesel, or hydrogen with superior fuel efficiency compared to traditional generators.

2 investors

Phelas develops Catalyst, a modelling and analysis tool for energy storage projects (BESS) that helps evaluate and prove the viability of renewable energy storage projects. It serves energy storage project developers and investors, with expertise in European balancing markets and battery dispatch strategies.

2 investors

Phoenix Hydrogen operates a marketplace platform for buying and selling hydrogen as a commodity, targeting utilities and industrial customers in the emerging hydrogen infrastructure sector.

2 investors

Photon Vault develops a thermal energy storage system that banks heat energy—harvested from solar thermal power, industrial waste heat, or other high-temperature sources—in a proprietary custom-engineered composite material, then converts a temperature gradient into a pressure gradient to drive a standard generator. The system targets grid-scale energy storage to help offset the intermittency of solar and wind power and support decarbonization of electricity supply.

2 investors

Phyco Bloom uses synthetic biology to engineer algae that capture carbon dioxide and convert it into oil for use as a sustainable fuel or plastic feedstock. The company targets applications such as aviation, shipping, and materials production.

2 investors

Piersica develops solid-state lithium-metal batteries based on a proprietary lithium-conductive polymer separator and a fiber-based 3D lithium-metal anode, targeting energy densities around 600 Wh/kg. Its battery technology is aimed at applications including electric vehicles, consumer electronics, aerospace, medical devices, and stationary energy storage.

2 investors

Builds clean power solutions using advanced DC nanogrids to capture, manage and distribute renewable energy.

2 investors

Pionix provides engineering services and open-source software for EV charging manufacturers, helping them develop and certify products based on the EVerest operating system. The company supports charger manufacturers through validated components, engineering expertise, and a collaborative community focused on making EV charging interoperable and accessible.

2 investors

Piq offers solutions to help connect projects to the electrical grid faster.

2 investors

Plains All American is a North American energy company involved in the transportation and handling of energy resources, serving customers with logistics and infrastructure solutions. It presents itself as a publicly traded operator focused on reliable operations and shareholder returns.

2 investors