Energy Startups

Telecom Infrastructure Partners is a telecommunications infrastructure investment company with its own capital backed by SwissLife Asset Managers and Infrabrige. The firm specializes in infrastructure investments and capital deployment in the telecom sector.

1 investor

Tempo develops a proprietary thermochemical storage metal-oxide (TSM) material, based on a magnesium compound that stores and releases high-temperature heat, to electrify industrial heat. It works with customers in cement, chemicals, metals, and food & beverage industries.

1 investor

Ten-Nine Technologies develops TENIX®, a nano-additive powder that improves lithium-ion battery performance and longevity by stabilizing cathode degradation. The company serves battery manufacturers and energy storage applications across electric vehicles and stationary storage systems.

1 investor

Tenaska is a large privately held energy company that markets natural gas and power, develops energy projects, and operates a generating fleet of over 6,600 megawatts across the United States.

1 investor

Africa's largest indigenous-owned energy company operating oil and gas production in Nigeria's Niger Delta, with a focus on safety, health, community relations, and governance standards.

1 investor

Tenoil is an oil and gas exploration and production company operating offshore and onshore assets in Nigeria with reserves including crude oil and natural gas. The company focuses on developing Nigeria's oil and gas resources while providing technical support services across the energy sector.

1 investor

Teplore designs and manufactures modular battery energy storage systems built on automotive-grade LFP cells, along with the control software (Local Controller, Powerview, and open API/Modbus integrations) that operates them. Its products scale from 120 kWh commercial cabinets to multi-megawatt utility-scale plants, serving commercial & industrial and utility segments, including European C&I markets.

1 investor

Terbine is an early-stage startup building systems and infrastructure for data sharing and transaction networks. The company draws expertise from aerospace, agriculture, energy, manufacturing, and enterprise software sectors.

1 investor

Ter Bron develops a compact, automated hydraulic workover unit (the "Mantis") for jointed pipe interventions such as decommissioning non-productive wells, repurposing depleted oil and gas wells, and supporting geothermal energy projects. It targets energy-sector operators, offering turnkey well intervention and closure services with a focus on safety and reduced environmental impact.

1 investor

Termina runs energy procurement for businesses, comparing every retailer across the whole market to automatically switch each site to the lowest rate for electricity, gas, LPG and embedded networks. It operates on a commission-free model paid only from a share of savings, and offers a dashboard covering bills, contracts, meters, solar assets and audit-ready emissions data for businesses ranging from single cafes to multi-site chains, with small business plans available in Australia.

1 investor

Terminus Industrials is a U.S.-based advanced manufacturer that designs and produces large power transformers with shortened lead times through automated production, supply chain integration, and proprietary software. The company serves domestic utilities and grid infrastructure operators seeking to reduce dependencies on international transformer suppliers and address critical supply-chain vulnerabilities.

1 investor

Termo provides ESG services to companies and organizations, including carbon footprint measurement (organizational and product-level), circularity assessments, and decarbonization projects such as photovoltaic installations. It supports the implementation of sustainability and energy transition initiatives.

1 investor

Termofrio (Ingetrol) provides engineering, installation, and maintenance services for building projects such as hotels and office buildings, including energy-efficiency systems. It has operated in the Chilean market for over 41 years, serving commercial and institutional clients.

1 investor

Terr.a develops, co-develops, and acquires renewable energy projects—primarily solar (rooftop, carport, ground-mounted, and agrivoltaic) plus some wind—across France, Belgium, and Luxembourg. The company works across the full project value chain from land securing and design through financing to decommissioning, targeting 1 GW of renewable capacity in service by 2030.

1 investor

Terra Watts is developing a technology to wirelessly transmit power through earthen material, aiming to provide energy access without traditional above-ground grid infrastructure. It targets communities in remote or challenging environments, including areas affected by conflict or disaster.

1 investor

TerraBarrier develops coatings and materials technology to combat high-temperature corrosion and enable green hydrogen and green ammonia applications, helping industrial partners extend component lifetimes and reduce waste. It targets the renewable energy and hydrogen infrastructure sector.

1 investor

Terra Energy develops and installs residential solar energy systems for homeowners in Mexico and the United States. The company has deployed over 1,000 megawatts of clean energy capacity across more than 100 cities.

1 investor

Terra Ferno develops patent-pending Autonomous Flow Control Devices (FCDs) designed for geothermal wells, aimed at improving flow distribution and addressing issues such as heel dominance and short-circuiting. The devices target conventional, enhanced, and advanced geothermal well designs to increase leg counts, zone counts, and lateral lengths.

1 investor

1 investor

Terragia develops consolidated bioprocessing technology using engineered thermophilic bacteria to convert cellulosic biomass, such as crop residues and perennial crops, into ethanol, other biofuels, and co-products at costs competitive with petroleum. Its technology targets low-carbon liquid fuels for hard-to-electrify transportation modes like aviation, marine, and long-haul trucking.

1 investor

This page lists partner companies of Terragon: Rainmaker, LLC, which represents principals offering facilities and capabilities for marine, oilfield, and ship-related needs, and Marship Engineering, a full-service provider to the marine and offshore industry covering business development, engineering, installation, maintenance, and life cycle management for marine equipment.

1 investor

A uranium exploration company using machine learning trained on historical geologic and exploration data to locate high-grade uranium deposits across North America for nuclear fuel supply.

1 investor

TerraPact owns and operates critical infrastructure assets and manages over a thousand agreements that support networks moving data, energy, water and more across North America. It offers asset owners a way to divest and monetize their infrastructure assets through flexible economic transactions.

1 investor

TerraWave develops a patent-pending millimeter wave drilling system that melts rock to reach ultra-deep geothermal resources (10 km+ and 450°C+), compatible with both closed-loop and fractured-reservoir heat exchangers. The technology aims to make deep geothermal energy scalable and lower the levelized cost of electricity.

1 investor