Energy Startups

Sesame Sustainability provides a life-cycle assessment platform for evaluating traditional and emerging energy pathways. The platform, built from MIT research, serves industry stakeholders analyzing sustainable energy systems and hydrogen infrastructure.

1 investor

A solar energy company that designs, installs, and monitors solar systems. The company serves residential and commercial clients seeking solar solutions in their region.

1 investor

SESCO designs and manufactures vacuum dehydration systems and instrumentation for industrial applications, including lube oil purifiers for water contamination removal and equipment service/upgrades. The company serves industrial sectors with high water contamination environments and provides on-site and facility-based equipment service and operator training.

1 investor

SET Ventures is a venture capital firm investing in European energy technology companies since 2007, with offices in Amsterdam, Hamburg, London, and Madrid. The firm focuses on supporting early-stage and growth-stage companies working on climate solutions and energy transition.

1 investor

SGL Carbon develops and manufactures carbon-based materials and products, including specialty graphite, carbon fibers, and composites, for industries such as mobility, semiconductors, LED, solar and wind energy, fuel cells, energy storage, and chemicals. The company operates across three business units — Fiber Composites, Graphite Solutions, and Process Technology — serving industrial customers in Europe, North America, and Asia.

1 investor

Shakti Pumps manufactures high-performance pumping solutions, including solar-powered and stainless steel submersible pumps for industrial applications, across 100+ countries. The company emphasizes energy efficiency, sustainability, and zero liquid discharge in its product design and operations.

1 investor

Shamrock Renewable Products is an Irish biomass fuel producer that manufactures carbon-neutral products such as briquettes and wood pellets from locally grown willow and native biomass. Its facility in Meath, Ireland produces up to 100,000 tonnes of biomass products annually.

1 investor

Sharptail Energy is a privately held Canadian energy company.

1 investor

Shelf Drilling operates a fleet of jack-up drilling rigs that provide offshore oil and gas drilling services to energy companies globally. The company contracts its rigs for exploration, development, and production activities in shallow-water and mid-water environments across regions including the North Sea, Middle East, West Africa, and Asia-Pacific.

1 investor

Shermco designs, fabricates, tests, repairs, and maintains low, medium, and high-voltage electrical equipment for customers' power systems. The company serves utilities, industrial operations, and other organizations that depend on reliable power infrastructure.

1 investor

UFORCE builds autonomous defense systems, including combat-proven platforms used in the Russia-Ukraine War for missions in contested environments. The company pairs advanced AI software with hardware and is expanding from Ukraine to NATO allies and the U.S.

1 investor

SHIFT develops measurement and control software for central heating and cooling plants that uses model predictive control to improve operational stability, reduce energy consumption, and decrease water loss. The company serves facility operators and engineers managing mission-critical chiller plants in commercial and industrial settings.

1 investor

Shinnihonjusetsu is a residential equipment sales and installation company offering solar panels, storage batteries, home renovation design and construction, electric vehicles, and related long-term maintenance services to homeowners in Japan.

1 investor

Shizen Connect develops IoT and AI platforms for virtual power plants (VPP) that aggregate and control distributed energy resources for power companies and energy utilities. The company provides VPP platform technology, energy management services, battery operation solutions, and IoT devices to support decarbonization and next-generation energy infrastructure.

1 investor

Shoreline AI provides a plug-and-play asset performance management platform using self-installed smart sensors that connect to the cloud and run edge analytics via a library of pre-built asset physics models. It serves US energy operators across the value chain — wellheads, pipelines, refineries, and power generation — for predictive maintenance and equipment monitoring.

1 investor

Shriram EPC (SEPC) is an engineering, procurement, and construction (EPC) company that delivers infrastructure projects across water infrastructure, process and metallurgy, mining and mineral processing, and power, including overseas projects. It serves industrial and public-sector clients and is a publicly listed company.

1 investor

SI Solutions provides technical engineering services including advanced engineering, inspection and testing, and digital monitoring and analytics for high-stakes industrial operators. It serves markets such as nuclear, energy services, process industries, infrastructure, pipeline integrity, and renewables.

1 investor

SIBUR is a petrochemical company that produces chemical products used across sectors including construction, food, medicine and pharmaceuticals, agriculture, and automotive. It operates in Russia's petrochemical industry with a stated focus on sustainable development.

1 investor

Siccar Point Energy is a UK energy company focused on offshore oil and gas production and supporting the UK's energy transition toward cleaner, more efficient production.

1 investor

SiderforgeRossi is a manufacturer with over 100 years of experience that produces industrial products for oil & gas, wind power, railways, marine, machinery, and nuclear applications.

1 investor

Sidewalk Infrastructure Partners (SIP) invests in and develops businesses and projects focused on energy and digital infrastructure systems, including virtual power plants and data centers. Its portfolio includes Renew Home, an operator of residential virtual power plants, and Verrus, a data center developer.

1 investor

SiEnergy is a natural gas utility that has provided residential, community, and industrial customers with natural gas distribution services since 1998. It serves master-planned communities and industrial sites in Texas, handling gas delivery, metering, billing, and pipeline monitoring.

1 investor

Sierra Cables PLC is a Sri Lankan cable manufacturer that designs and produces cabling solutions for the energy, industrial, and communication sectors. It serves both local and global customers, drawing on expertise in material science and technology.

1 investor

Sierra Railroad is a California-based rail company operating freight, intermodal, and passenger rail services, and it develops waste-to-energy gasification technology. It serves businesses across Northern and Central California and provides excursion train experiences to residents and visitors.

1 investor