Energy Startups

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

Tensora develops geophysical devices that monitor ground motion and deformation to provide insights into subsurface processes. Its instruments serve the energy, carbon management, mining, geotechnical, and academic sectors to help reduce risk and optimize subsurface operations.

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

TeraBora is developing a worm-inspired robotic system for installing geothermal ground loops, aimed at lowering the cost of geothermal heating. The company works in the clean energy and robotics space, focused on greener home and building heating.

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

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

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

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

TERRAS is a Germany-wide service provider and network for critical infrastructure construction, operating through a group of subsidiaries across regional infrastructure building, special foundation engineering (Spezialtiefbau), rail, services, and resources. It focuses on supporting and uniting mid-sized (Mittelstand) regional infrastructure builders to address challenges such as succession, skills shortages, and digital transformation.

1 investor

TerraWind Renewables develops and acquires onshore wind farms in the APAC region, with current operations focused on Japan and Korea. The independent power producer targets building a portfolio of 500 MW in operation or under construction by 2030, with a pipeline of 1 GW.

1 investor

Terreva is a portfolio company owned and managed by CIM Group, a real estate and infrastructure owner, operator, and developer.

1 investor

TESCO Metering manufactures custom metering equipment and testing devices for electric utilities, including meter test boards, field testing kits, and EVSE testers. The company has produced American-made utility products at its certified facility in Bristol, Pennsylvania since 1904.

1 investor

Startupbootcamp operates a global network of industry-focused startup accelerator programs across 20+ locations worldwide, providing mentorship, funding, and resources to early-stage companies.

1 investor

Tether helps organizations identify and reduce operating costs by analyzing bills, meter data, and baselines to separate normal load from avoidable waste, rank fixes, and measure savings after delivery. It focuses on energy and utility cost management, including water, metering, controls, and maintenance.

1 investor

PCC Energy Group manufactures corrosion-resistant oil country tubular goods (OCTG), including production tubing and casing made from advanced nickel and duplex alloys, for use in demanding offshore oil and gas environments. Its products are produced to ISO 13680 and API 5 CRA standards in large diameters and lengths for operators facing corrosive conditions.

1 investor

TexPower manufactures cobalt-free lithium iron phosphate (LFP) and nickel manganese aluminum (NMA) cathode materials for lithium-ion batteries used in electric vehicles and energy storage systems. Based in Houston, Texas, it operates a pilot cathode facility and supplies the U.S. battery supply chain with plans to scale production capacity.

1 investor