Best Energy Companies in Iowa, United States
The 56 best Energy companies in Iowa, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Renewable Energy Group.
Our analysis of 171 Energy companies
$71.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Iowa
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Renewable Energy Group Developer of biofuels and chemicals for industrial use | $100M | 177 mo ago | Acquired | Cynthia Warner CEO | 2006 | Apple iCloud MailYouTubeMicrosoft ASP.NET+23 | 214 patents Renewable hydrocarbon fuel production from biomass via biodiesel and diesel synthesis | 1 partnership · 2 expansions |
| 2 | Western Iowa Energy Producer of biodiesel fuel from multiple feedstocks | $20M | 16 mo ago | Series A | — | 2004 | — | — | — |
| 3 | Frontline BioEnergy Developer of industrial-scale biomass gasification solutions | $9M | 47 mo ago | Public | — | 2003 | — | 25 patents Tar reduction and contaminant removal in biomass gasification processes | — |
| 4 | American Power Group Manufacturer of fuel storage systems 64Growth top 13%Product top 14%Patents top 27%Innovation top 31% All 13 signals ▾Growthtop 13% Producttop 14% Patentstop 27% Innovationtop 31% Fundingtop 31% Partnerstop 40% Fin. healthtop 45% Newstop 46% Talentbottom 49% Globalbottom 40% Techbottom 36% Moatbottom 36% Marketbottom 33% Growth: Revenue +108% YoY · Fresh capital in last 24 mo Product: 5 distinct product lines · Company stage: Public rank vs industry peers · Fliar Intelligence Index 64/100 | $6M | 6 mo ago | Public | Chuck Coppa Chief Executive Officer and Chief Financial Officer | 2009 | — | 1,341 patents Advanced power electronics for UPS, power factor correction, and AR hardware monitoring | — |
| 5 | Lincolnway Energy Producer of ethanol and co-products from corn | $5M | 16 mo ago | Series A | — | 2004 | WordPressMySQLPHP+15 | — | — |
| 6 | Heartland Energy Solutions Manufacturer of wind turbine and blades | $4M | 160 mo ago | Series A | Charles Sharp President/CEO | 2007 | — | — | — |
| 7 | Western Dubuque Biodiesel Biodiesel production supporting agriculture, renewable resources, and energy independence | $2M | 16 mo ago | Funding Raised | — | 2005 | — | — | — |
| 8 | Bristola Provider of robotic systems for liquid storage facility cleaning 35Patents top 37%Innovation top 39%Growth top 45%Tech top 45% All 9 signals ▾Patentstop 37% Innovationtop 39% Growthtop 45% Techtop 45% Moatbottom 49% Talentbottom 49% Fundingbottom 39% Globalbottom 29% Marketbottom 18% Patents: 14 patents matched (strict assignee match) · 14 filings since 2022 vs 0 in 2017-21 Innovation: 14 patents (top 60% of patent-holders) · 14 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 35/100 | $2M | 41 mo ago | Seed | Jared Burma CEO | 2021 | WordPress Block EditorWordPressMySQL+23 | 14 patents Patents concentrated in transport & manufacturing processes | 2 launchs |
| 9 | Homeland Energy Solutions Manufacturer of ethanol and its co-products, focused on enhancing returns to stakeholders and surrounding… | $1M | 11 mo ago | Funding Raised | Telly Papasimakis President & CEO | 2005 | WordPressMySQLPHP+20 | — | — |
| 10 | ILEC Provider of electric service to residential, commercial, and agricultural customers | $890K | 195 mo ago | Funding Raised | — | 2001 | Wix eCommerceWixSentry+14 | — | — |
| 11 | Iowa Renewable Energy Biodiesel producer | $839K | 177 mo ago | Funding Raised | — | 2005 | — | — | — |
| 12 | PVpallet Manufacturer of solar PV modules | $675K | 10 mo ago | Seed | — | 2019 | Cart FunctionalitySquarespace CommerceSquarespace+24 | 11 patents Reusable modular transport containers and pallets for efficient logistics handling | — |
| 13 | Trusted Energy Turnkey renewable project developer on distributed scale | $350K | 65 mo ago | Seed | Rob Hach Founder & CEO | 2002 | — | — | — |
| 14 | Innovas Technologies Provider of automatic condenser and chiller tube cleaning systems for combating chiller tube fouling and… 35Innovation top 30%Product bottom 48%Talent bottom 45%Funding bottom 34% All 6 signals ▾Innovationtop 30% Productbottom 48% Talentbottom 45% Fundingbottom 34% Globalbottom 29% Techbottom 21% Innovation: 3 product lines Product: 3 distinct product lines · Company stage: Grant (prize money) rank vs industry peers · Fliar Intelligence Index 35/100 | $225K | 115 mo ago | Funding Raised | Michael Crocker Co-Founder | 2014 | — | — | 2 expansions |
| 15 | Ideal Energy Provider of project management services in the solar energy sector | $200K | 93 mo ago | Funding Raised | Amy Van Beek Co-Founder | 2009 | — | — | — |
Top 12 Energy companies in Iowa
#1
Public · Algona, Iowa · founded 2009 · 20 employees$6.1Mraised▾
Manufacturer of fuel storage systems
- Jan 2026Post IPO$650K
- May 2023Post IPO$3.5M
- Dec 2014Post IPO$2M
#2
Series A · Wall Lake, Iowa · founded 2004 · 30 employees$20Mraised▾
Producer of biodiesel fuel from multiple feedstocks. This involves a specialized pre-treatment facility allowing for flexibility in raw materials. The resulting biodiesel is a clean-burning fuel with minimal emissions, offering both economic and environmental benefits. The production process adheres to high safety standards, employing highly trained personnel and maintaining BQ9000 certification.
- Feb 2025Grant (prize money)$89.9K
- Sep 2011Grant (prize money)$990.8K
- Sep 2011Grant (prize money)$698.6K
- Jan 2010Grant (prize money)$300K
#3
Series A · Des Moines, Iowa · founded 2004 · 19 employees$5Mraised▾
Producer of ethanol and co-products from corn. This entity processes corn to create fuel-grade ethanol and distillers' grains. Additional co-products include corn oil and carbon dioxide. The company aims for efficient and low-cost ethanol production, contributing to a sustainable fuel supply.
- Feb 2025Grant (prize money)—
- Apr 2020Series A$5M
- Jun 2010Grant (prize money)—
- Sep 2009Grant (prize money)—
#4
Funding Raised · Lawler, Iowa · founded 2005 · 54 employees$1.3Mraised▾
Homeland Energy Solutions is a company that focuses on producing ethanol and its co-products profitably. They aim to enhance returns to their stakeholders and surrounding communities. They have an ethanol processing facility and take in a significant amount of corn to produce ethanol.
- Jul 2025Grant (prize money)$1M
- Sep 2008Grant (prize money)$300K
#5
Seed · Iowa · founded 2019 · 11 employees$675Kraised▾
Manufacturer of solar PV modules
- Aug 2025Grant (prize money)$500K
- Jan 2023Seed$675K
#6
Funding Raised · Dubuque, Iowa · founded 2005 · 24 employees$1.9Mraised▾
Biodiesel production supporting agriculture, renewable resources, and energy independence. The company focuses on producing clean-burning alternative fuel from domestic renewable resources. It aims to provide a cost-effective and environmentally friendly fuel source, reducing dependence on foreign oil. The business model supports agriculture and promotes energy independence through biodiesel production. It is involved in the renewable energy sector, contributing to a cleaner environment and sustainable practices. The company is committed to developing and operating a biodiesel facility.
- Feb 2025Grant (prize money)$152.8K
- Sep 2011Grant (prize money)$869.3K
- Sep 2011Grant (prize money)$456.4K
- Dec 2009Grant (prize money)$432.6K
#7
Acquired · Ames, Iowa · founded 2006 · 895 employees$100Mraised▾
Developer of biofuels and chemicals for industrial use. The company uses microbial fermentation to develop and produce renewable chemicals, fuels, and other products. It provides transportation fuels, heat, power generation fuels, and biomass-based industrial products.
- Sep 2011Grant (prize money)$4.9M
- Sep 2011Grant (prize money)$6.4M
- Jul 2010Grant (prize money)—
- Dec 2009Grant (prize money)$1.4M
#8
Public · Ames, Iowa · founded 2003 · 24 employees$8.7Mraised▾
Developer of industrial-scale biomass gasification solutions. These solutions convert biomass and waste resources into renewable energy, fuels, and products. The company designs and manufactures advanced fluidized bed gasifiers and gas cleaning technologies, producing clean syngas suitable for various applications. This includes catalytic processes for renewable fuels and chemicals, as well as use in combustion turbines or existing utility boilers. The systems are known for their robustness and reliability.
- Aug 2022Post IPO$4.5M
- Apr 2013Grant (prize money)$4.2M
- Jun 2012Grant (prize money)—
#9
Funding Raised · Atlantic, Iowa · founded 2018$17.6Kraised▾
Operator of a dry mill plant that produces and sells ethanol. The plant produces ethanol and related products. It accepts applications for various positions to build its team.
- Feb 2025Grant (prize money)$17.6K
#10
Seed · Waukee, Iowa · founded 2021 · 8 employees$1.5Mraised▾
Provider of robotic systems for liquid storage facility cleaning. It offers a remote-controlled submersible robot cleaning system with a patented entry system. This technology eliminates the need for human entry into tanks, reducing risks and downtime. The system is designed for both new and existing facilities, improving efficiency and reducing the carbon footprint of liquid storage operations. Regular cleaning is essential for maintaining the health and productivity of these facilities, and this technology provides a safer, more economical solution.
- Jan 2023Seed$1.1M
- May 2022Seed$400K
#11
Series A · Mount Ayr, Iowa · founded 2007 · 23 employees$3.9Mraised▾
Manufacturer of wind turbines and blades intended to focus on the generation of electrical power in the moderate-wind speed market. The company's wind turbines and blades have an active hydraulic control with a built-in line synchronous inverter, enabling clients to minimize costs associated with electrical power needs.
- Mar 2013Series A$3.9M
#12
Funding Raised · Estherville, Iowa · founded 2001 · 62 employees$890Kraised▾
Provider of electric service to residential, commercial, and agricultural customers. The cooperative offers various services, including bill payment options, new service forms, and budget billing. It also provides resources related to energy efficiency, rebates, and renewable energy. Safety information and resources are available for farms, first responders, and children.
- Mar 2010Grant (prize money)$300K
- Jun 2009Grant (prize money)$290K
- May 2008Grant (prize money)$300K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Iowa researches in energy storage
Iowa State University leads Iowa's energy-storage research, dominated by supercapacitor and battery materials themes, with an optimistic tone reflecting recent breakthroughs in advanced storage technologies.
- Iowa State University23
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.