Energy Startups

Phillips 66 Partners, L.P. (PSXP) was a master limited partnership that, on March 9, 2022, became a wholly-owned subsidiary of Phillips 66 following an acquisition. The page now serves primarily as an informational and tax-document (Schedule K-1) resource for former unitholders and bondholders.

1 investor

PHNXX designs modular renewable energy systems, applying modular design principles from its founders' backgrounds in oil, gas, and mining fuel systems. The company focuses on sustainable energy solutions to support the global energy transition.

1 investor

Verantum offers a building performance management system built on EnterpriseDX, a hardware-agnostic cloud platform that connects building systems, sensors, meters and third-party data to detect faults, prioritize actions and automate workflows across property portfolios. It serves operators of complex building portfolios seeking energy efficiency, reliable comfort and stable asset performance.

1 investor

Phoenix is an engineering company founded in 1931 that integrates sustainability and ESG practices into its operations, working with clients to reduce environmental impact through waste reduction, pollution control, and carbon emissions lowering.

1 investor

PHX Energy Services provides technology and services to the oil and gas industry, with operating divisions focused on specialized field services and measurement solutions.

1 investor

Phytonix is an industrial biotechnology company that uses genetically engineered cyanobacteria and synthetic biology to convert carbon dioxide emissions and sunlight into sustainable chemicals and fuels, starting with n-butanol as a drop-in gasoline replacement and industrial chemical. It targets the global n-butanol chemical market and co-locates its production with industrial CO2 emitters.

1 investor

Pike Robotics builds robots that inspect Above-Ground Floating Roof Storage Tanks, replacing manual inspection methods for oil & gas refining and product storage facilities. Spun out of UT Austin's Texas Robotics Labs, it serves industrial operators managing large storage tanks, with a focus on North American assets.

1 investor

Pinnacle Processes Inc. designs and manufactures engineered-to-order components—including rubber expansion joints and dampers—for flue gas and process air handling systems and power and process piping systems. It operates through the brands General Rubber, Effox, Flextor, and Mader, serving heavy industry, power, municipal, and mining customers.

1 investor

Piñon Resources is an oil and gas company focused on exploration and production operations in major U.S. basins, particularly the Permian Basin. The company serves oil and gas operators and investors through technical expertise in drilling, completions, production, and subsurface evaluation.

1 investor

PIONIERKRAFT develops solar energy solutions for multi-family residential buildings, combining software technology with installation services to make renewable energy accessible and profitable for building owners. The Munich-based company focuses on simplifying the sale and deployment of photovoltaic systems in the German market.

1 investor

Pirl manufactures EV charging stations designed for profitability and low maintenance, targeting commercial and residential property owners seeking to operate charging networks without software subscriptions or ongoing licensing costs.

1 investor

Piscada builds an AI-powered building intelligence platform (including its Foresight product and cloud-native BAS) that detects faults, predicts failures, and optimizes energy across building portfolios. Founded from a SINTEF research project, it serves building operators and manages 1,500+ connected buildings across Norway, Sweden and the Netherlands.

1 investor

Pitch Aeronautics provides a weather intelligence platform for electric utilities, combining line-mounted sensors (WireWarrior), drone-based deployment (Astria), and an AI platform (WireWeather) that produces probabilistic weather forecasts. The system supports meteorology, wildfire, transmission, and field maintenance teams with data such as dynamic line ratings, fire risk monitoring, and localized forecasts.</parameter> <parameter name="founders">[]

1 investor

PJP Eye develops dual-carbon battery technology and energy data platforms for carbon-neutral energy systems. The company serves energy companies, governments, and aims to create a carbon offset economy where energy data can be converted to carbon credits.

1 investor

Planeto provides AI-driven software for designing and analyzing district heating and cooling networks. The platform helps urban planners, energy consultants, and utilities model building energy demand, assess thermal network feasibility, simulate hydraulic systems, and optimize low-temperature networks.

1 investor

Platform Groen Gas is an organizational program office managing initiatives related to green gas in the Netherlands.

1 investor

PetroLegacy Energy is a privately-held oil and gas exploration and production company that acquires and develops oil and gas properties. It focuses on land acquisition, appraisal, and multi-year development programs.

1 investor

Plug Power develops hydrogen fuel cell and related clean energy technologies. This page presents the company's culture and people-first values rather than product specifics.

1 investor

Plug Zen develops and manufactures affordable EV charging solutions for property owners, employers, fleet operators, automakers, and utility companies. The company targets 50%+ cost reductions in EV charging infrastructure to accelerate electric vehicle adoption and reduce emissions.

1 investor

Plugless Power develops wireless electric vehicle charging systems that enable EVs to charge automatically without physical cables, targeting both individual owners and commercial trial partners.

1 investor

PlugOp provides planning, deployment, and operations software for EV charging infrastructure in multifamily properties. The platform helps apartment owners and operators consolidate vendor management, model capacity demand, and manage ongoing site operations.

1 investor

Plugzio develops smart power management and EV charging solutions for multifamily and commercial properties. The company provides hardware and software tools that enable property managers to deploy charging infrastructure, monitor energy usage, and generate revenue streams.

1 investor

SmartSet is a nontoxic, inorganic powder-based thermo-setting technology for downhole oil and gas applications that provides controlled, rapid set times and high compressive strength. It is engineered for well sealing and gas influx prevention in various temperature conditions.

1 investor

Polarmatic manufactures TURBOMATIC containerized heating systems for concrete production plants, enabling aggregate and water heating across diverse climate conditions. The modular systems are designed to support year-round concrete production with energy-efficient heating solutions.

1 investor