Energy storage, where it's needed.

Flatiron provides safe and reliable energy solutions to improve grid reliability, reduce ratepayer costs, and support communities as energy demand grows.

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FLATIRON ENERGY

We develop and operate utility-scale energy storage projects that strengthen the electric grid and provide clean capacity where it is needed most.

For each of our projects, we’re guided by our mission to have a positive impact on the local communities we reach.  Our mission drives everything we do, and we are proud to be a Certified B Corporation to show our commitment to all stakeholders.

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Energy storage container on rooftop with New York City skyline in background
Long corridor of high-density server racks inside modern data center
Rail yard with multiple train tracks and Manhattan skyline under construction
Technician inspecting industrial battery energy storage system using tablet
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What we do
Scale

We specialize in the installation of utility-scale energy storage solutions designed to efficiently serve entire communities.

Location

We concentrate on urban environments in the Northeast and Mid-Atlantic U.S., addressing the need for flexible and adaptable generation solutions.

Reliability

We source our products from top-tier vendors, ensuring that safety remains our highest priority
at all times.

Experience

We bring 70 years of energy industry experience and 35 years of standalone energy storage experience to every project.

We specialize in the development of utility-scale energy storage solutions designed to efficiently serve entire communities.

We target high electricity demand areas across the Northeast and Mid-Atlantic, addressing the need for flexible and adaptable generation solutions in the U.S.

We work collaboratively with local agencies and governments to ensure our projects are built to the highest safety standards and source our products from top-tier suppliers.

Our leadership team brings over a decade of experience in utility-scale standalone energy storage to every project.

Who We Serve

Flatiron makes communities stronger by improving grid reliability, increasing resource efficiency, lowering consumer energy costs and providing flexible generation to meet increasing demand.

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OUR IMPACT

Flatiron Energy has a far-reaching impact.

Flatiron is recognized for its strong commitment to excellence and empowering a transition to a secure energy future. We emphasize innovation and efficiency while maintaining high standards in environmental responsibility, leading the way towards an electrified future.

Energy infrastructure facility at sunset representing community investment in local power systems
$3.4b
Community Investments
Energy storage will bring $3.4b in societal benefits to the Northeast by 2030.
Industrial battery storage units inside energy facility supporting reduced emissions
32%
Reduced Emissions
Adding energy storage to the electric grid enables a 32% reduction in emissions.
Technician installing solar panels on rooftop to expand renewable energy capacity
300%
More Renewables
3 GW of storage can increase the Northeast’s the ability to meet higher demand by over 300%.
1.8K
Cleaner Air
Storage projects can reduce up to 1,800 tons of NOx emissions per day in a city like New York.
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Careers

Flatiron Energy is a portfolio company of Hull Street Energy.


Hull Street Energy invests in companies that are strategically positioned for growth as North America transitions to a more sustainable future.