Energy

ABB Ability is an industrial Internet of Things (IoT) platform that connects physical industrial equipment and systems to digital services and insights. The platform serves industrial and energy secto

The AES Corporation is a global Fortune 500 power company that generates and distributes electric power across 15 countries, serving more than 2.5 million customers worldwide. Founded in 1981 as Appli

Albemarle Corporation is a global leader in specialty chemicals with commanding positions in lithium, bromine, and refining catalysts. Headquartered in Charlotte, North Carolina, the company traces it

Alliant Energy Corporation (NASDAQ: LNT) is a regulated utility holding company headquartered in Madison, Wisconsin, providing essential energy services to communities across the Midwest. Through its

Ameren Corporation stands as a Fortune 500 energy holding company that has been powering communities across the Midwest since 1997. Headquartered in St. Louis, Missouri, the company operates through t

American Electric Power Company, Inc. (AEP) stands as one of the nation's most significant electric utility companies, with a history spanning over a century since its founding in 1906. Headquartered

APA Corporation is a leading independent energy company with operations spanning three continents and a rich history dating back to 1954. Headquartered in Houston, Texas, the company explores for, dev

Astro is the world's first AI energy developer. They use AI to de-risk early development, creating ready-to-build renewable energy projects. Astro finds and buys land for new renewable energy projects

Atmos Energy Corporation, headquartered in Dallas, Texas, stands as the nation's largest fully-regulated natural-gas-only distributor, serving approximately three million customers in over 1,400 commu

AutoGrid is an energy software company providing flexibility management platforms that optimize distributed energy resources (DERs) including batteries, electric vehicles, and flexible loads for utili

Axross is a Singapore-based energy management technology company that delivers AI-driven HVAC control systems to enhance energy efficiency and reduce operational costs for manufacturers across Southea

Baker Hughes Company is one of the world's largest energy technology companies, providing integrated solutions for energy and industrial customers across more than 120 countries. With approximately 57

Bidgely is an energy technology company providing AI-powered energy disaggregation and customer engagement solutions for utility companies. The company analyzes smart meter data to identify individual

Bloom Energy is a pioneering American clean energy company that designs and manufactures solid oxide fuel cells (SOFCs) for distributed on-site power generation. Founded in 2001 and headquartered in S

C3 AI Energy Management is an enterprise AI application designed to optimize energy consumption, predict equipment failures, and improve grid reliability for utility companies. The company leverages a

CenterPoint Energy is a multi-state electric and natural gas delivery company headquartered in Houston serving approximately 7 million metered customers. The company provides transmission, distributio

Chevron is one of the world's leading integrated energy companies with major operations in crude oil and natural gas exploration, production, refining, and chemicals. The company operates globally wit

CMS Energy Corporation stands as one of America's leading energy companies, with deep roots in Michigan stretching back to 1886. Headquartered in Jackson, Michigan, the company operates primarily thro

ConocoPhillips is one of the world's largest independent exploration and production (E&P) companies, headquartered in Houston, Texas, with operations spanning 14 countries across six continents. As a

Consolidated Edison Company of New York, Inc., known as Con Edison, is one of the nation's largest investor-owned energy-delivery companies and one of the oldest continuously operating utilities in th

Constellation Energy Corporation stands as America's largest producer of clean, carbon-free energy, providing electric power, natural gas, and comprehensive energy management services to approximately

Coterra Energy is a leading independent oil and natural gas company well-positioned to deliver superior and sustainable returns through its diversified portfolio of premium U.S. energy assets. Operati

Dartboard Energy is an AI Analyst for electricity markets. They help owners of grid-connected batteries uncover missed revenue while ensuring compliance. Electricity markets work like auctions - every

Devon Energy Corporation stands as one of the largest independent oil and natural gas producers in the United States, with operations strategically focused on high-quality, oil-rich resource plays. He

Diamondback Energy, headquartered in Midland, Texas, stands as one of the premier independent oil and gas exploration companies in the United States, with a singular focus on the Permian Basin—the wes

Dominion Energy, Inc. stands as one of the United States' premier energy companies, providing regulated electricity and natural gas services to approximately 7 million customers across 13 states. With

DTE Energy Company stands as Michigan's largest and most diversified energy provider, delivering essential electric and natural gas services to millions of customers across the state while leading the

Duke Energy Corporation is a Fortune 150 company headquartered in Charlotte, North Carolina, and one of America's largest energy holding companies. The company's electric utilities serve 8.6 million c

Edison International (NYSE: EIX), headquartered in Rosemead, California, stands as one of the nation's largest electric utility holding companies, focused on providing clean and reliable energy throug

Entergy Corporation stands as one of the most enduring energy companies in the United States, with roots tracing back to November 13, 1913, when founder Harvey C. Couch established Arkansas Power Comp

EOG Resources, Inc. stands as one of America's premier independent energy companies, specializing in the exploration, development, production, and marketing of crude oil, natural gas liquids, and natu

EQT Corporation stands as America's premier natural gas production company and the largest natural gas producer in the Appalachian Basin. With 19.802 trillion cubic feet equivalent of proved reserves

Eversource Energy stands as New England's largest energy delivery company and a Fortune 500 corporation, serving approximately 4.6 million customers across Connecticut, Massachusetts, and New Hampshir

Exelon Corporation stands as America's largest electric utility holding company by customer count, serving more than 10.7 million customers through six fully regulated transmission and distribution ut

Expand Energy Corporation stands as North America's largest independent natural gas producer, formed through the strategic $7.4 billion merger of Chesapeake Energy and Southwestern Energy in October 2

ExxonMobil Corporation stands as the world's largest investor-owned oil and gas company by revenue and market capitalization, with a legacy that extends back to the formation of Standard Oil in 1870 b

FirstEnergy Corp. stands as one of the largest investor-owned electric systems in the United States, serving approximately 6 million customers across a vast 65,000-square-mile area spanning Ohio, Penn

First Solar, Inc. is a leading American solar technology company and global provider of responsibly produced, eco-efficient solar modules that is advancing the fight against climate change. Founded in

Freeport-McMoRan Inc. (FCX) stands as one of the world's premier mining companies and the largest publicly traded copper producer globally, operating geographically diverse, long-lived assets with sig

GE Appliances is a major home appliance manufacturer offering refrigerators, ranges, dishwashers, washers, dryers, and small appliances serving residential customers across all price segments. The com

GE Digital Grid Solutions provides software and automation technologies that help electric utilities manage power grids, optimize energy distribution, and integrate renewable energy sources. The compa

Generac Holdings Inc. is a leading global designer, manufacturer, and provider of comprehensive energy technology solutions including power generation equipment, energy storage systems, energy managem

GE Vernova, Inc. is a global energy equipment manufacturing and services company that emerged as an independent entity in April 2024 following its spin-off from General Electric. Headquartered in Camb

$55M Series B Nov 2025 (Tiger Global); $26.4M Series A (Sequoia); Tim Barat founder; 40% US coverage; YC W21

Halliburton Company stands as one of the world's preeminent oilfield service providers, delivering cutting-edge technology and services that improve efficiency, increase recovery, and maximize product

$1B+ total ($425M Series F Jan 2025 $5.4B+); Sam Altman $375M chairman; Microsoft 50 MWe PPA 2028; Orion construction 2025; YC 2014

Itron is a technology company providing smart metering, grid management, and IoT solutions for utilities managing electricity, gas, and water distribution networks. The company serves energy and water

Keeling Labs is a Los Angeles-based battery AI company that develops reinforcement learning platforms for grid-scale battery optimization and energy trading. Founded in 2022 by Jack O'Grady with a tea

Kinder Morgan stands as one of North America's premier energy infrastructure companies, commanding an unparalleled network of approximately 83,000 miles of pipelines and 143 terminals that form the ba

$3.5M total ($1.6M Seed Schweizer/YC S19); Florian Bauer/Christoph Drexler (TUM) founders; First grid-connected kite turbine; 10x materials/2x cost savings; YC Summer 2019

Landis+Gyr is a leading global provider of integrated energy management solutions, specializing in smart metering technology and grid analytics for utilities. The company manufactures electricity, gas

Marathon Petroleum Corporation stands as America's largest petroleum refiner and a cornerstone of the nation's energy infrastructure. Following its transformative 2018 acquisition of Andeavor, the com

MaverickX is a San Antonio-based chemical technology company engineering advanced solutions for natural resource extraction, including PetroX for oil recovery from shale reservoirs and LithX for extra

Natron Energy was a pioneering American company that developed and manufactured sodium-ion batteries as a cost-effective, sustainable alternative to lithium-ion technology. Founded in 2012 by Colin We

Newmont Corporation stands as the world's leading gold mining company and one of the most significant copper producers globally. Headquartered in Denver, Colorado, Newmont commands approximately 23% o

NextEra Energy, Inc. is the world's largest electric utility holding company by market capitalization, valued at over $170 billion as of October 2024, and stands as a global leader in clean energy gen

Nextracker Inc. (recently rebranded as Nextpower in November 2025) is the world's leading solar tracker manufacturer, holding an average 30% global market share for seven consecutive years according t

Nira Energy is a Denver-based renewable energy software company that provides grid capacity mapping tools to help solar, storage, and data center developers identify optimal project sites based on ava

NiSource Inc. (NYSE: NI) is one of the largest fully-regulated utility companies in the United States, serving approximately 3.3 million natural gas customers and 500,000 electric customers across six

NRG Energy, Inc. stands as a Fortune 500 integrated power company and one of the largest competitive electricity generators and retailers in the United States. Headquartered in Houston, Texas, NRG ope

Occidental Petroleum Corporation, commonly known as Oxy, is one of the largest and most prominent American oil and gas exploration and production companies with a rich history dating back to 1920. Hea

$306M SPAC May 2024 (OKLO 400%+ gain 2025); Sam Altman chairman/Peter Thiel investor; Caroline Cochran/Jacob DeWitte (YC 2014) founders; Aurora 2027; YC

ONEOK Inc. (NYSE: OKE) stands as one of the leading midstream energy companies in North America, headquartered in Tulsa, Oklahoma. With a history spanning over a century since its founding in 1906, ON

Oracle Utilities provides software solutions for electric, gas, water, and energy companies to manage customer information, billing, meter data, work and asset management, and grid operations. The com

PG&E Corporation, through its primary subsidiary Pacific Gas and Electric Company, stands as one of the largest combined natural gas and electric utilities in the United States. Since its formation in

Phillips 66 is a diversified energy manufacturing and logistics company with roots stretching back to 1875, operating as a modern entity since its 2012 spin-off from ConocoPhillips. The company operat

Pinnacle West Capital Corporation is a leading utility holding company serving Arizona's dynamic energy needs, with a proud heritage dating back to 1884 when the Phoenix Light and Fuel Company first b

PPL Corporation is a major energy company headquartered in Allentown, Pennsylvania, delivering regulated electricity and natural gas services to 3.6 million customers across Kentucky, Pennsylvania, an

Public Service Enterprise Group Inc. (PSEG) stands as one of America's oldest and most significant energy infrastructure companies, with roots tracing back to 1903 when the Public Service Corporation

SAP for Utilities is an industry-specific software suite providing customer engagement, billing, asset management, and operational solutions for electric, gas, and water utilities. The platform suppor

Schneider Electric EcoStruxure is an IoT-enabled architecture and platform providing energy management, automation, and sustainability solutions for buildings, data centers, infrastructure, and indust

Sense is a home energy monitoring system that provides real-time insights into household electricity usage through AI-powered device detection and energy tracking. The hardware installs in electrical

Siemens Energy is a leading energy technology company focused on power generation, transmission, and energy storage solutions for the global energy transition. The company serves utilities, independen

Stem is a clean energy technology company providing AI-driven energy storage solutions and software that optimize energy consumption, reduce costs, and support grid stability. The company serves comme

SunPower has been a pioneering force in the solar energy industry for nearly four decades, revolutionizing how homes and businesses harness clean energy. Founded in 1985 by Stanford professor Richard

Uplight is an energy technology company that provides customer engagement and energy efficiency solutions for electric and gas utilities. The company serves utility providers who need to help resident

YC batch; $0 upfront commercial battery/solar; 30% bill savings; 4+ hour backup; Data centers/warehouses focus; Energy-as-service; YC