Flatiron Energy

Flatiron Energy company information, Employees & Contact Information

Updated May 2026

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Flatiron Energy is a Renewable Energy Power Generation company and founded in 2021. It has approximately 33 employees on record. Contact data was last refreshed in May 2026. Find Flatiron Energy's verified employee emails, phone numbers, headquarters address, and key decision makers below.

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Flatiron Energy develops, builds, owns, and operates standalone utility-scale energy storage. Our energy storage systems help integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability.

Company Details

Employees
33
Founded
2021
Address
2101 Pearl St, Boulder,colorado 80302,united States
Industry
Renewable Energy Power Generation
NAICS
Electric Power Generation
HQ
Boulder, Colorado
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Flatiron Energy Questions

News

Flatiron Energy proposes 672MWh BESS at former Massachusetts fossil plant, pauses indoor BESS project in Boston - Energy-Storage.News

Flatiron Energy proposes 672MWh BESS at former Massachusetts fossil plant, pauses indoor BESS project in Boston Energy-Storage.News

Flatiron Reaches Financial Close on Largest Battery Energy Storage Project in Massachusetts - Business Wire

Flatiron Reaches Financial Close on Largest Battery Energy Storage Project in Massachusetts Business Wire

South Korea's SK On signs energy storage battery supply deal with Flatiron Energy - Reuters

South Korea's SK On signs energy storage battery supply deal with Flatiron Energy Reuters

Former Montaup power plant could be site of battery storage in Somerset worth $50M a year - Fall River Herald News

Former Montaup power plant could be site of battery storage in Somerset worth $50M a year Fall River Herald News

Flatiron Energy secures $540 million for largest battery project in Massachusetts - pv magazine USA

Flatiron Energy secures $540 million for largest battery project in Massachusetts pv magazine USA

SK On to supply LFP batteries to Flatiron Energy - Power Technology

SK On to supply LFP batteries to Flatiron Energy Power Technology

Flatiron Energy wins approval for 300-MW battery in Massachusetts - Renewables Now

Flatiron Energy wins approval for 300-MW battery in Massachusetts Renewables Now

SK On inks deal with Flatiron Energy to expand North American ESS presence - Korea JoongAng Daily

SK On inks deal with Flatiron Energy to expand North American ESS presence Korea JoongAng Daily

SK On expands into US BESS market - Energy Global

SK On expands into US BESS market Energy Global

SK On signs 7.2GWh deal to supply US-made LFP batteries to Flatiron Energy Development - Energy-Storage.News

SK On signs 7.2GWh deal to supply US-made LFP batteries to Flatiron Energy Development Energy-Storage.News

Grid Integration Facilities at the Flatirons Campus - NREL (.gov)

Grid Integration Facilities at the Flatirons Campus NREL (.gov)

FERC delay on ISO-NE interconnection plan could lock out 3 GW from capacity auction: Flatiron - Utility Dive

FERC delay on ISO-NE interconnection plan could lock out 3 GW from capacity auction: Flatiron Utility Dive

SK On secures 7.2 GWh battery storage supply deal in US - ess-news.com

SK On secures 7.2 GWh battery storage supply deal in US ess-news.com

SK innovation rises on SK on’s major U.S. ESS deal - 매일경제

SK innovation rises on SK on’s major U.S. ESS deal 매일경제

GridStor, Flatiron Energy, and Jupiter Power advance US BESS projects totalling 1.6GWh - Energy-Storage.News

GridStor, Flatiron Energy, and Jupiter Power advance US BESS projects totalling 1.6GWh Energy-Storage.News

Flatiron reaches fin close on 200-MW Massachusetts BESS project - Renewables Now

Flatiron reaches fin close on 200-MW Massachusetts BESS project Renewables Now

New wave of funding powers US battery tech and projects - ess-news.com

New wave of funding powers US battery tech and projects ess-news.com

Massachusetts’ 1.5-GW energy storage RFP receives 13 bids - Renewables Now

Massachusetts’ 1.5-GW energy storage RFP receives 13 bids Renewables Now

Flatiron Energy gets ISO green light for 1.2GWh indoor BESS in Boston, Massachusetts - Energy-Storage.News

Flatiron Energy gets ISO green light for 1.2GWh indoor BESS in Boston, Massachusetts Energy-Storage.News

New England Generators Remain in Limbo on Interconnection Reform - RTO Insider

New England Generators Remain in Limbo on Interconnection Reform RTO Insider

SK On secures 7.2GWh ESS supply contract in U.S. with Flatiron Energy - CHOSUNBIZ - Chosun Biz

SK On secures 7.2GWh ESS supply contract in U.S. with Flatiron Energy - CHOSUNBIZ Chosun Biz

South Korea's SK On signs energy storage battery supply deal with Flatiron Energy - ET Auto

South Korea's SK On signs energy storage battery supply deal with Flatiron Energy ET Auto

SK On Secures $1.5 Billion ESS Battery Deal in the U.S. - Businesskorea

SK On Secures $1.5 Billion ESS Battery Deal in the U.S. Businesskorea

ISO-NE to Reopen Queue as it Continues to Wait on Ruling from FERC - RTO Insider

ISO-NE to Reopen Queue as it Continues to Wait on Ruling from FERC RTO Insider

South Korea's SK On signs ESS battery supply deal with US-based Flatiron Energy - CNA

South Korea's SK On signs ESS battery supply deal with US-based Flatiron Energy CNA

SK On enters US ESS market with $1.4 bil. LFP battery deal - The Korea Times

SK On enters US ESS market with $1.4 bil. LFP battery deal The Korea Times

SK On clinches estimated 2 tln-won ESS supply deal from U.S. firm - Yonhap News Agency

SK On clinches estimated 2 tln-won ESS supply deal from U.S. firm Yonhap News Agency

SK On has won an order for an energy storage system (ESS) project of up to 7.2 gigawatt hours (GWh) - 매일경제

SK On has won an order for an energy storage system (ESS) project of up to 7.2 gigawatt hours (GWh) 매일경제

Company charges forward with large-scale power-storage building in Brighton - Universal Hub

Company charges forward with large-scale power-storage building in Brighton Universal Hub

Pumped hydro among bids in 1.5 GW Massachusetts energy storage tender - ess-news.com

Pumped hydro among bids in 1.5 GW Massachusetts energy storage tender ess-news.com

HSE invests in energy storage developer and operator Flatiron Energy - pehub.com

HSE invests in energy storage developer and operator Flatiron Energy pehub.com

South Korean firms seek to overcome EV battery demand slump - upi.com

South Korean firms seek to overcome EV battery demand slump upi.com

Say goodbye to the Mass. clean energy boom. But a comeback may be in the offing - MassLive

Say goodbye to the Mass. clean energy boom. But a comeback may be in the offing MassLive

SK On secures first gigawatt-scale US ESS deal - Automotive World

SK On secures first gigawatt-scale US ESS deal Automotive World

Flatiron wins $350M in resiliency projects - Construction Dive

Flatiron wins $350M in resiliency projects Construction Dive

SK On secures first gigawatt-scale ESS deal in US - The Korea Herald

SK On secures first gigawatt-scale ESS deal in US The Korea Herald

Battery companies flock to energy storage systems as EV growth slows - Automotive News

Battery companies flock to energy storage systems as EV growth slows Automotive News

SK On expands Georgia plant for EVs, ESS amid US curbs on China - The Korea Herald

SK On expands Georgia plant for EVs, ESS amid US curbs on China The Korea Herald

Rock down to Electric Avenue: Battery facility proposed in Brighton - The Business Journals

Rock down to Electric Avenue: Battery facility proposed in Brighton The Business Journals

An NYC bathhouse is mining Bitcoin to heat its pools—and score a “rebate” on its $20,000-a-month energy bill - Fortune

An NYC bathhouse is mining Bitcoin to heat its pools—and score a “rebate” on its $20,000-a-month energy bill Fortune

Georgia governor meets with SK On CEO for battery cooperation - Korea JoongAng Daily

Georgia governor meets with SK On CEO for battery cooperation Korea JoongAng Daily

South Korean battery firms shift to LFP with IRA subsidy expiration - 조선일보

South Korean battery firms shift to LFP with IRA subsidy expiration 조선일보

New Flatiron Institute Supercomputer the Most Power-Efficient Ever Built - Simons Foundation

New Flatiron Institute Supercomputer the Most Power-Efficient Ever Built Simons Foundation

New Flatiron Institute Supercomputer the Most Power-Efficient Ever Built - Lenovo StoryHub

New Flatiron Institute Supercomputer the Most Power-Efficient Ever Built Lenovo StoryHub

National Renewable Energy Laboratory in Colorado is part of a new effort to move national research centers away from fossil fuels. - Colorado Public Radio

National Renewable Energy Laboratory in Colorado is part of a new effort to move national research centers away from fossil fuels. Colorado Public Radio

Co-op in Flatiron District Reduces Energy Bills with Hybrid Energy System - Habitat Magazine

Co-op in Flatiron District Reduces Energy Bills with Hybrid Energy System Habitat Magazine

SK On chooses Analog Devices chip for ESS BMS - THE ELEC, Korea Electronics Industry Media

SK On chooses Analog Devices chip for ESS BMS THE ELEC, Korea Electronics Industry Media

SK on secures up to $1.5 bn ESS supply deal - 매일경제

SK on secures up to $1.5 bn ESS supply deal 매일경제

SK On wins $1.44 bn North America ESS order - 매일경제

SK On wins $1.44 bn North America ESS order 매일경제

Increasing Power Expands Research Capabilities at NREL's Flatirons Campus - NREL (.gov)

Increasing Power Expands Research Capabilities at NREL's Flatirons Campus NREL (.gov)

Breakfast links: All-affordable “Flatiron” building in NoMa secures financing - Greater Greater Washington

Breakfast links: All-affordable “Flatiron” building in NoMa secures financing Greater Greater Washington

From oil to electricity: New England’s biggest battery facility could soon rise in Everett - The Boston Globe

From oil to electricity: New England’s biggest battery facility could soon rise in Everett The Boston Globe

Theory Meets Practice: Renewable Energy Microgrid Powers Research Facility Through Grid Outage - Engineering.com

Theory Meets Practice: Renewable Energy Microgrid Powers Research Facility Through Grid Outage Engineering.com

CATL Debuts Shenxing Pro Battery, Might It Feature In Perodua’s EV? - Newswav

CATL Debuts Shenxing Pro Battery, Might It Feature In Perodua’s EV? Newswav

How Black Holes Power Plasma Jets - Simons Foundation

How Black Holes Power Plasma Jets Simons Foundation

Beyond Flatiron: The Rising Power Of Oncology Clinical Data Companies - Forbes

Beyond Flatiron: The Rising Power Of Oncology Clinical Data Companies Forbes

In Ohio shale boom, Amish opt to cash out, get out - The Columbus Dispatch

In Ohio shale boom, Amish opt to cash out, get out The Columbus Dispatch

Strategies: How I created a one-man landman business at 24 - The Business Journals

Strategies: How I created a one-man landman business at 24 The Business Journals

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