Best Energy Tech Companies in Missouri, United States
The 49 best Energy Tech companies in Missouri, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Aclara Technologies.
Our analysis of 79 Energy Tech companies
$38.9b in tracked funding; 92% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Missouri
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Aclara Technologies Connective platform for smart grid | $450M | 109 mo ago | Acquired | — | 1972 | — | 26 patents Smart grid communication, metrology, and security technologies for power distribution networks | — |
| 2 | Orange EV Manufacturer of electric terminal trucks, batteries, chargers, and on-site service | $35M | 48 mo ago | Series A | Wayne Mathisen Co-Founder & CEO | 2012 | WordPress Block EditorWordPressApple iCloud Mail+33 | 20 patents Electric vehicle powertrain integration and precision digital/automation tools for EV services | 1 launch |
| 3 | Spear Power Systems Platform offering lithium-ion based battery management systems developer | $20M | 67 mo ago | Acquired | Mitch Mabrey Managing Director | 2013 | — | — | — |
| 4 | Site 1001 Mobile-first cloud based software for facility management tasks | $17M | 94 mo ago | Deadpooled | — | 2016 | — | — | — |
| 5 | QM Power Provider of energy efficient motor | $16M | 101 mo ago | Series C | — | 2006 | — | 256 patents Liquid‑cooled high‑efficiency power supplies and converters for IT equipment | — |
| 6 | Æsir Technologies Provider of solutions for zinc-air batteries | $9M | 42 mo ago | Series A | Craig Wilkins Founder | 2011 | DudaNginxCloudflare+15 | — | — |
| 7 | Renew Biomass Provider of solution biomass | $7M | 136 mo ago | Series A | — | 2015 | — | — | — |
| 8 | Zego Online solution to manage residential communities | $2M | 104 mo ago | Acqui-Hired | — | 2017 | — | — | — |
| 9 | Rig CallOut Invoice funding solutions tailored for the oil and gas industry | $566K | 103 mo ago | Early Stage | — | 1996 | — | — | — |
| 10 | Exergonix Lithium based energy storage systems for residential and utility applications | $375K | 188 mo ago | Seed | — | 2010 | — | — | — |
| 11 | Keybot Provides solution for visitor management | $120K | 101 mo ago | Deadpooled | Daniel Dawson Co-Founder | 2016 | — | — | — |
Top 12 Energy Tech companies in Missouri
#1
Acquired · Hazelwood, Missouri · founded 1972 · 1700 employees$450Mraised▾
Aclara Technologies(owned by an affiliate of Sun Capital Partners) is a supplier of smart infrastructure solutions (SIS) to water, gas, and electric utilities globally SIS magnifies the benefits of networks that perform automated metering reading by incorporating a range of sensors, communications, and analytic technologies that let utilities monitor their distribution networks, optimize operations, respond to issues quickly, and preempt problems. Aclara’s Synergize RF electric network offers two-way communications and provides a connective platform for the smart grid. It acquired GE Energy Management’s grid solutions electricity meter business from General Electric Company.
- Jun 2017Conventional Debt$105M
- Aug 2016Conventional Debt$345M
#2
Series A · Riverside, Missouri · founded 2012 · 116 employees$35.1Mraised▾
Manufacturer of electric terminal trucks, batteries, chargers, and on-site service. The company builds and sells heavy-duty electric vehicles. They offer terminal trucks designed for reliability and cost savings. The company also provides maintenance and repair services with mobile technicians.
- Aug 2022Series A$35M
- Sep 2015Seed$150K
#3
Series A · Joplin, Missouri · founded 2011 · 20 employees$8.8Mraised▾
Provider of solutions for zinc-air batteries. It provides non-toxic nickel-zinc batteries. It provides batteries for aerospace, critical infrastructure, defence and other industries.
- Jan 2023Conventional Debt$100K
- Jul 2022Series A$8.8M
#4
Acquired · Kansas City, Missouri · founded 2013 · 66 employees$19.6Mraised▾
Platform offering lithium-ion based battery management systems developer. The battery management system comes with power electronics which can provide voltages up to 1250VDC and thermal management systems which can work in high external temperatures.
- Jan 2021Grant (prize money)$4.5M
- Nov 2020Series B$3M
- Oct 2019Series B$14.6M
- Jul 2018Series A$2M
#5
Series C · Kansas City, Missouri · founded 2006 · 23 employees$16.1Mraised▾
Provider of energy efficient motor. It provides energy-efficient electric motors and software to manage electric motors. They concentrate on creating cutting-edge technology to increase efficiency and are a quickly expanding business with cutting-edge research and development labs.
- Mar 2018Series C$1M
- Mar 2016Series C$9.1M
- Nov 2015Conventional Debt$2M
- 2014Grant (prize money)$1M
#6
Deadpooled · Kansas City, Missouri · founded 2016 · 70 employees$17.3Mraised▾
Site 1001 is a cloud-based mobile-first software platform for the facilities maintenance and building management industry. The company digitizes and automates facility management tasks on the cloud. It offers building automation and Internet of things (IoT) solution to provide building intelligence for facility professionals, building owners, managers, and operators. Some of the features the location smart software offers are preventative maintenance schedules; vendor/sub management tools; budget, labor, and usage reports; BIM/CAD, IoT, and third party systems integrations; and inventory management tools.
- Sep 2018Series A$6.3M
- Jul 2017Series A$6M
- Oct 2016Series A$5M
#7
Series A · Springfield, Missouri · founded 2015 · 13 employees$6.9Mraised▾
Provider of solution biomass
- Mar 2015Series A$6.9M
#8
Acqui-Hired · Kansas City, Missouri · founded 2017 · 20 employees$1.5Mraised▾
Zego is an online solution to manage residential communities. It enables property managers/residents to communicate, provide access to visitors, use features such as remote control of lights, locks,& thermostats, book services/common amenities, automate lease renewal process, and more.
- Nov 2017Conventional Debt—
- Nov 2017Seed$1.5M
- 2017Seed—
#9
Acquired · Saint Louis, Missouri · founded 2019$75Kraised▾
Provider of lithium ion batteries. It provides batteries for various sectors including drones.
- Nov 2022Grant (prize money)$75K
#10
Early Stage · St. Louis, Missouri · founded 1996$566.5Kraised▾
Invoice funding solutions tailored for the oil and gas industry. They provide hassle-free invoice funding solutions designed exclusively for the oil and gas sector, offering customized financial support to fuel business growth. They empower businesses with flexible funding options, advances, and business services, going beyond traditional invoice factoring. Their offerings include QuickPay, credit monitoring, market intelligence, and logistics solutions. They provide business development, credit monitoring, business insights, AR & AP solutions, market intelligence, and logistics solutions. They offer technology to boost profits, including business development, market intelligence, ticketing and dispatch solutions, and back-office management. They provide white-glove customer service with dedicated account managers. They are industry insiders focused on helping service companies thrive with solutions that address working capital challenges, invoicing, collections, payments, and cash flow. They offer SaaS solutions, including a platform for managing AR and AP, and provide a subscription-based newsletter.
- Dec 2017Unattributed$566.5K
#11
Seed · Lee's Summit, Missouri · founded 2010$375Kraised▾
Exergonix provides lithium-based energy storage systems for residential and utility applications. Provides residential scale distributed energy storage systems enabled by ethernet connected BMS; commercial scale ESS having LiFePO4 & NMC cells having 30-50 kWh output power; containerized utility scale ESS with 1-4 megawatt-hour power capacity.
- Nov 2010Seed$375K
#12
Deadpooled · St. Louis, Missouri · founded 2016$120Kraised▾
Getkeybot is a provider of software and hardware solutions to manage visitor access. The solution can be used for facilities and rental properties. The features include shared keys, temporary/permanent access, identity verification, auto-lock, and more. Users can purchase it at a flat price along with an additional shipping cost.
- Feb 2018Seed$120K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Missouri researches in energy storage
- Missouri University of Science and Technology18
- University of Missouri–Kansas City4
- University of Missouri4
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.