As Chicago embraces a future powered by renewable energy, the city has become a hotbed of innovation in the green technology sector. From wind and solar power advancements to energy storage solutions, several startups in Chicago are making significant strides toward a more sustainable future. These companies are not only creating cutting-edge technology but are also driving economic growth by creating jobs and positioning Chicago as a key player in the renewable energy revolution. Here’s a look at the top renewable energy startups in Chicago that are worth keeping an eye on.
1. NanoGraf
NanoGraf is a game-changer in battery technology, focusing on developing advanced materials for energy storage. Their proprietary silicon anode material dramatically increases the energy density of lithium-ion batteries, making them longer-lasting and more efficient. This technology has far-reaching implications, especially for electric vehicles (EVs) and renewable energy storage solutions.
In 2023, NanoGraf secured a $60 million grant from the U.S. Department of Energy to open a battery material production facility in Michigan, further positioning itself as a leader in the renewable energy market. With applications ranging from EVs to grid energy storage, NanoGraf is revolutionizing how renewable energy is stored and used.
Why Watch: With its breakthrough in battery technology, NanoGraf is at the forefront of solving one of renewable energy’s biggest challenges: efficient energy storage.
2. Renewable Energy Group (REG)
Renewable Energy Group (REG) is driving Chicago’s biodiesel revolution. Specializing in converting waste fats and oils into renewable biodiesel, REG’s products provide a cleaner alternative to traditional fossil fuels. Their biodiesel is used across a wide range of sectors, including transportation, power generation, and industrial uses, helping to reduce greenhouse gas emissions.
REG’s focus on sustainability, combined with its leadership in biofuel technology, has established it as one of the largest biodiesel producers in the Midwest, offering significant potential for further growth as more industries adopt clean energy practices.
Why Watch: REG’s innovative approach to biofuels offers a scalable solution to decarbonizing industries that have been heavily reliant on fossil fuels.
3. GreenLancer
GreenLancer is a Chicago-based digital platform that simplifies the solar energy design process. By connecting solar energy installers with a network of qualified freelance engineers and designers, GreenLancer allows for faster and more efficient project development. This online marketplace offers services ranging from permit drawings to system designs, all delivered remotely.
The platform significantly reduces the costs and time it takes to get solar projects off the ground, helping small and medium-sized solar companies scale up quickly. GreenLancer’s innovative approach is boosting the adoption of solar energy in urban environments, contributing to Chicago’s growing reputation as a solar power hub.
Why Watch: GreenLancer is lowering the barriers to solar adoption by streamlining the design process, making it easier and more affordable for companies to go solar.
4. Lumen Energy
Lumen Energy is a Chicago startup focused on automating clean energy decisions for commercial buildings. Using AI-powered software, Lumen helps building owners and property managers assess the financial and environmental benefits of transitioning to renewable energy. The company’s platform provides data-driven insights, making it easier for businesses to understand the long-term benefits of solar and other green technologies.
Lumen Energy’s technology has the potential to scale rapidly, particularly as more cities, including Chicago, push for clean energy transitions in commercial real estate. By simplifying the decision-making process, Lumen is accelerating the adoption of renewable energy in one of the most energy-intensive sectors.
Why Watch: Lumen Energy’s use of AI to optimize clean energy adoption in commercial buildings could be a game-changer in reducing urban carbon footprints.
5. Accelerate Wind
Accelerate Wind is a promising startup that aims to revolutionize how wind energy is captured in urban areas. Unlike traditional wind turbines, which require large open spaces, Accelerate Wind focuses on small-scale, affordable wind turbines that can be installed on rooftops. This innovation allows buildings in cities like Chicago to generate their own clean energy, contributing to local power grids while reducing reliance on fossil fuels.
The company’s micro-wind turbines are designed to work even in lower-wind conditions, making them ideal for urban environments. As more cities adopt renewable energy goals, Accelerate Wind’s technology could play a crucial role in decentralizing energy production.
Why Watch: With its focus on urban wind energy, Accelerate Wind is offering an untapped solution to meet growing renewable energy demands in densely populated cities.
6. Allumia
Allumia offers an innovative solution to energy efficiency through its “Efficiency-as-a-Service” model. This Chicago-based startup provides businesses with energy-efficient upgrades—such as LED lighting and HVAC systems—at no upfront cost. Instead, companies pay for the upgrades through a portion of their energy savings over time.
By eliminating the barrier of upfront capital, Allumia is accelerating the adoption of energy-efficient technologies, especially in the commercial and industrial sectors. The company is playing a key role in helping Chicago’s businesses lower their carbon footprints while also saving on energy costs.
Why Watch: Allumia’s unique business model makes energy efficiency accessible to a broader range of businesses, driving significant energy savings and carbon reductions.
7. Azimuth Energy
Azimuth Energy is a full-service renewable energy engineering and construction firm specializing in the design and installation of solar energy systems. Based in Chicago, Azimuth focuses on both rooftop and ground-mounted solar projects for businesses, schools, and municipalities. The firm is helping expand solar energy access in Illinois by offering affordable, scalable solutions.
With a strong focus on innovation, Azimuth has worked on large-scale projects that integrate solar power with battery storage, enabling greater grid resilience and energy independence.
Why Watch: As Illinois continues to ramp up its solar energy capacity, Azimuth Energy’s expertise in complex solar projects will be essential to the state’s renewable energy future.
The Future of Renewable Energy in Chicago
These innovative startups are not only contributing to the renewable energy movement but also positioning Chicago as a leader in clean energy technology. As the city pushes forward with its Climate Action Plan and statewide renewable energy targets, these companies will play a crucial role in driving economic growth and achieving sustainability goals.
Chicago’s energy future is bright, powered by local innovation, forward-thinking entrepreneurs, and a growing demand for clean, sustainable energy solutions. Whether you’re an investor, a business owner, or a resident looking to support the renewable energy sector, these startups are paving the way for a greener Chicago and a cleaner world.