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101 Most Innovative United States Based Energy Efficiency Companies & Startups

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This article showcases our top picks for the best United States based Energy Efficiency companies. These startups and companies are taking a variety of approaches to innovating the Energy Efficiency industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

Top United States Energy Efficiency Startups

Data sourced from Crunchbase and SemRush.

BlocPower

BlocPower

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BlocPower is an energy technology startup that develops healthier, greener, and smarter cities.

Turntide Technologies

Turntide Technologies

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Turntide Technologies develops an electric motor system designed to drive down energy consumption.

Turntide Technologies

EcoFlow

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EcoFlow designs, develops and manufactures eco-friendly and affordable portable power stations for personal and professional use.

Turntide Technologies

Stem

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Stem brings and optimizes energy consumption to business through its distributed storage technology.

Turntide Technologies

Voltus

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Voltus provides cash-generating energy products to commercial, institutional, and industrial customers.

Turntide Technologies

Carbon Lighthouse

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Delivering easy building decarbonization for commercial real estate owners

Turntide Technologies

Via Separations

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Via Separations eliminates energy use in industrial processes, allowing pathways for a more sustainable, resource efficient future.

Turntide Technologies

Esperanto Technologies

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Esperanto Technologies develops high-performance, energy-efficient chips for Machine Learning based on the open standard RISC-V ISA

Turntide Technologies

Redaptive

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Redaptive is an Efficiency-as-a-Service tool for commercial and industrial customers.

Turntide Technologies

Sealed

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Sealed offers smart home retrofits and turnkey project management to upgrade home easily.

Turntide Technologies

Dividend Finance

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Dividend Finance is a Technology-enabled finance platform supporting the energy transition with lending and other financial solutions.

Turntide Technologies

PosiGen

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Solar Energy and Energy Efficiency

Turntide Technologies

75F

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75F is a predictive and proactive IoT-based building automation system that addresses HVAC, lighting, and equipment control needs.

Turntide Technologies

SkySpecs

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SkySpecs automates the operations and maintenance of utility scale wind turbines with cutting edge robotics

Turntide Technologies

FirstEnergy Corp.

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FirstEnergy (NYSE: FE) is a diversified energy company dedicated to safety, reliability and operational excellence.

Turntide Technologies

Aquicore

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Aquicore is an information technology company that offers a cloud-based software designed for asset operations platform for the CRE sector.

Turntide Technologies

Urjanet

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The Urjanet Utility Data Platform transforms the way businesses mobilize the data available within utility bills and invoices.

Turntide Technologies

Inspire

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Consumer technology platform that powers cleaner, more efficient, and more sustainable homes.

Turntide Technologies

Ygrene Energy Fund

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Provides Property Assessed Clean Energy (PACE) financing through cities and counties for upgrades to commercial and residential properties.

Turntide Technologies

Budderfly

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Budderfly is an energy management company with devices that measure and report on all elements of energy use.

Turntide Technologies

Invenergy

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Invenergy is a global privately-held developer and operator of sustainable energy solutions.

Turntide Technologies

General Atomics

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General Atomics develops technology solutions for defense, energy, and transportation applications worldwide.

Turntide Technologies

Spruce Finance

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Spruce provides consumer financing for residential solar systems, water conservation upgrades and energy-efficient home improvements.

Turntide Technologies

Sparkfund

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Sparkfund powers organizations by providing access to the latest energy technology.

Turntide Technologies

David Energy

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David Energy is a retail electricity supplier with its own technology system.

Turntide Technologies

Tank Utility

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Tank Utility streamlines energy delivery for those that rely on truck-delivered oil or propane.

Turntide Technologies

PowerX

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PowerX is a technology startup that creates a line of precision sensors that gather data about a home’s electricity, gas, and water usage.

Turntide Technologies

Ameresco

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Ameresco, Inc. provides energy efficiency solutions for facilities in North America. The company engages in the development, design,

Turntide Technologies

Enervee

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Enervee is a platform-oriented company that drives energy efficiency and consumer engagement through a suite of innovative SaaS products.

Turntide Technologies

Clean Energy Trust

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Clean Energy Trust supports early-stage startups working on solutions for clean energy, decarbonization, and environmental sustainability.

Turntide Technologies

US Department of Energy

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US Department of Energy was founded in 1977 and traces its lineage to the Manhattan Project.

Turntide Technologies

SparkMeter

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SparkMeter offers comprehensive low-cost metering solutions for everything from rural micro-grids.

Turntide Technologies

Nautilus Data Technologies

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Nautilus Data Technologies is a collection of data centers used in large businesses.

Turntide Technologies

Renovate America

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Renovate America is leading the way in making homes and communities more energy and water efficient.

Turntide Technologies

R&B Technology Group

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R&B Technology is an energy service company that integrates artificial intelligence and vertical industrial applications.

Turntide Technologies

Digital Lumens

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Digital Lumens is a provider of intelligent LED lighting and facility insights solutions.

Turntide Technologies

Fenix International

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Fenix International produces ultra-affordable mobile enabled solar solutions to empower more than 1.3 billion people living off-grid.

Turntide Technologies

EnergySavvy

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EnergySavvy is a cloud software company that helps utilities transform their customer experience and operations.

Turntide Technologies

Auto Motive Power

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Auto Motive Power is an energy management company that specializes in charging and battery management systems (BMS).

Turntide Technologies

Utilidata

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Utilidata works with utilities to save energy, increase reliability and better detect grid anomalies.

Turntide Technologies

Vutility

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Vutility gathers and provides real-time information on utility usage.

Turntide Technologies

Quidnet Energy

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Quidnet Energy is a technology-driven energy company that powers the carbon-free electric grid.

Turntide Technologies

Project Frog

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Project Frog develops component buildings that assemble easily onsite for architects and builders to create energy-efficient buildings.

Turntide Technologies

Imprint Energy

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Imprint Energy is commercializing a breakthrough low cost, flexible, rechargeable battery technology that would change portable power.

Turntide Technologies

Kill Cliff

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Kill Cliff specializes in providing sports beverages, ready-to-drink beverages, and recovery drinks.

Turntide Technologies

Ecomedes

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Ecomedes is a SaaS platform that helps manufacturers, designers, builders, and building owners save time and money.

Turntide Technologies

Flower Turbines

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Flower Turbines develops small vertical axis wind turbines that produce low noise and are cost-effective.

Turntide Technologies

Amber Solutions

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Amber Solutions is a developer of patented solid-state technologies for the digital control of electricity.

Turntide Technologies

Clean Power Finance

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Clean Power Finance offers an online B2B marketplace that connects the solar industry with financing opportunities and solar sales software.

Turntide Technologies

Illumitex

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Illumitex is a manufacturer of precision LEDs, LED lights, LED grow lights, and digital horticulture solutions.

Turntide Technologies

Sighten

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Sighten develops a software toolset to manage the complexity of distributed solar.

Turntide Technologies

Flex Energy Solutions

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Flex Energy Solutions designs and manufactures power generating systems for private and public entities.

Turntide Technologies

ndustrial.io

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Ndustrial.io offers analytical engines that help businesses control production, improve energy efficiency, and eliminate waste.

Turntide Technologies

Cortex

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Cortex is a building analytics software company that provides real-time actionable insights and decision support to commercial buildings.

Turntide Technologies

LumiGrow

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Empowering Growth Through Connectivity is our mission, offering the industry’s leading smart horticultural lighting solutions.

Turntide Technologies

Semtive

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Semtive is an energy technology company that develops small scale wind turbines for decentralized wind energy generation.

Turntide Technologies

Windmill

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Windmill is building a connected, tech-enabled suite of beautiful and eco-friendly air products, starting with the window AC.

Turntide Technologies

Viridity Energy

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Viridity Energy enabling software turns energy profiles into financial returns.

Turntide Technologies

Plains All American Pipeline

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Plains All American Pipeline is engaged in the transportation, storage, terminalling and marketing of crude oil.

Turntide Technologies

GoSun

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GoSun offers solar technology that provide fuel-free cooking, cooling, charging, lighting and water purification and more!

Turntide Technologies

Biosynthetic Technologies

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Biosynthetic Technologies manufactures biobased synthetic molecules that are made from organic fatty acids found in plant oils.

Turntide Technologies

Novomer

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Novomer is a sustainable chemistry company developing high performance, environmentally responsible polymers and chemical intermediates.

Turntide Technologies

Copper Labs

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Copper helps utilities take control of energy demand by engaging consumers with real-time meter data, with or without smart meters.

Turntide Technologies

Entic

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Entic is a SaaS technology company driving operational efficiency in commercial buildings through IOT & Prescriptive Analytics

Turntide Technologies

Bractlet

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Bractlet specializes in providing building energy modeling, mesh networks, building operations, and big data.

Turntide Technologies

Finally Light Bulb

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Finally develops home lighting systems, intended to create high-quality and energy-efficient bulbs.

Turntide Technologies

Qnergy

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Qnergy was established in 2009 by Ricor Cryogenic and Vacuum, a world leader in the field of miniature Stirling cryogenic coolers.

Turntide Technologies

Urban Umbrella

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Urban Umbrella is the first alternative to the scaffolding industry

Turntide Technologies

Comverge

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Comverge delivers software, hardware, and services to help utilities deploy successful demand response and energy efficiency programs.

Turntide Technologies

Optimum Energy

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Optimum Energy provides energy optimization software solutions that enable enterprise companies to reduce their HVAC expenses.

Turntide Technologies

Curb

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Curb specializes in the fields of energy engagement software and home energy management.

Turntide Technologies

Borrego Solar Systems

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Borrego Solar Systems develops commercial, residential and public sector turnkey, grid connected solar electric systems.

Turntide Technologies

Radiator Labs

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Radiator Labs is an energy management and electrification platform for radiator heated buildings

Turntide Technologies

WattIQ

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First scalable, enterprise-grade IoT solution for asset utilization & condition monitoring built around smart plugs.

Turntide Technologies

NuStar Energy

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NuStar Energy is a independent liquids terminal and pipeline operators in the nation.

Turntide Technologies

haus.me

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Haus.me – Autonomous Self-Sustainable Manufactured Housing Technologies for Construction

Turntide Technologies

Encored

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Encored provides Energy Big Data Platform based on breakthrough disaggregation technology and data science.

Turntide Technologies

PowerSecure International

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PowerSecure International provides utility and energy technologies to electric utilities and their industrial and commercial customers.

Turntide Technologies

Southcross Energy

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Southcross Energy provides natural gas gathering, processing, treating, compression, and transportation services.

Turntide Technologies

Veros Systems

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Veros Systems is a web-based predictive intelligence platform supporting businesses in increasing energy efficiency.

Turntide Technologies

SolarMax Technology

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SolarMax Technology is a renewables & environment company that offers solar design and installation services.

Turntide Technologies

Ampt

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Ampt serves the global market for large-scale PV systems where reliability, predictability, scalability, efficiency, cost and control are

Turntide Technologies

QM Power

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QM Power is a small business (SBA) Delaware C Corporation founded in 2006 to capitalize on proprietary and patented advances in new.

Turntide Technologies

Palmetto Clean Technology

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Palmetto Clean Technology builds and operates clean energy projects for residential, commercial, and utility customers.

Turntide Technologies

OLEDWorks

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OLEDWorks is a manufacturer of OLED light technology for automotive, general lighting, and specialty applications.

Turntide Technologies

Thrive Agritech

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Thrive Agritech, a Y-Combinator company, designs and manufactures the world’s most advanced indoor agriculture lighting

Turntide Technologies

Ultrasolar technology

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Ultrasolar technology is a solar energy company that develops solar space systems.

Turntide Technologies

SolarWorld Americas

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SolarWorld manufactures and sells solar power solutions.

Turntide Technologies

Kleverness

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IoT, SaaS, Smart Buildings, Smart Hotels, Smart Home, Automation, Energy Efficiency, Clean Tech, Green Tech

Turntide Technologies

Energy Focus

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Energy Focus develops and commercializes lighting systems and customer-specific, energy-efficient lighting solutions.

Turntide Technologies

Ecovent

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Ecovent provides an application that enables its users to control room temperature remotely.

Turntide Technologies

UtilityAPI

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UtilityAPI is a service that automatically collects utility bill and usage data from utility web portals.

Turntide Technologies

LogCheck

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LogCheck are building mobile tools for building operators and property managers to run their buildings more efficiently.

Turntide Technologies

Suniva

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Suniva develops, manufactures and markets PV solar cells for clean, earth-friendly power generation.

Turntide Technologies

Personal BlackBox

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Personal Blackbox is a NYC-based, purpose-led technology company.

Turntide Technologies

Bambu Global

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Bambu Global focuses on developing and commercializing breakthrough scientific discoveries.

Turntide Technologies

JTEC Energy

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JTEC is a cutting-edge technology that converts a heat difference into useable power through electrochemical reactions.

Turntide Technologies

ADOMANI

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ADOMANI is a provider of zero-emission electric and hybrid vehicles and drivetrain solutions helping fleet operators with their business.

Turntide Technologies

7AC Technologies

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7AC Technologies energy-saving ultra-efficiency air conditioning systems.

Turntide Technologies

Lime Energy

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Lime Energy is building a new energy future. Our integrated demand side solutions provide utilities with a single platform to deliver

Turntide Technologies

Ekotrope

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Ekotrope provides construction planning, designing, and consulting services for new and renovated buildings.

Written by Mark Smith

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