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Renewable energy jobs at NineDot Energy

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Brooklyn, NY 11–50 employees Energy storage · Smart grid nine.energy
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NineDot Energy
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About NineDot Energy

Company Overview

NineDot Energy

Brooklyn, NY, United States

2021

Approximately 70 employees (source: nine.energy). No public revenue figures are available as it is a private for-profit company.

What They Do

NineDot Energy specializes in community-scale battery energy storage systems (BESS) that utilize lithium-ion batteries, such as Tesla Megapacks. Their innovative solutions often integrate small solar installations and bi-directional electric vehicle (EV) charging capabilities, which support vehicle-to-grid (V2G) functionalities. This technology is crucial for enhancing grid resilience and facilitating the integration of renewable energy sources in urban environments (source: nine.energy). The company focuses on developing, permitting, constructing, and operating these projects on underutilized urban land, thereby exporting power to the grid during peak demand periods to replace traditional fossil-fuel peaker plants. Each site typically provides 3 MWac export capacity and 12 MWh of storage, contributing to low-carbon electricity generation (source: nine.energy). NineDot Energy's products are tailored to meet the energy needs of downstate New York, particularly in high-demand areas identified after Superstorm Sandy, with notable clients including Con Edison and Starbucks.

Projects & Track Record

The company has established a significant presence in the New York City area, with its first operational site located at 2550 Gunther Avenue, Bronx, NY. This site spans 7,000 square feet and features four Tesla Megapacks that provide 12 MWh of storage and 3 MWac of grid export capacity during peak demand. It was commissioned as NYC's first Tesla Megapack community-scale BESS and remote-crediting site (source: nine.energy). As of early 2025, NineDot has commissioned seven battery storage projects across four locations in the Bronx and Staten Island, with plans for additional projects expected to come online by the end of 2026. The company holds the largest community energy storage pipeline in NYC, with over 50 projects in various stages of development, construction, or operation, aiming for a total capacity of 400 MW by the end of 2026 (source: nine.energy). This ambitious pipeline is designed to provide energy solutions for hundreds of thousands of homes and businesses, showcasing NineDot's commitment to urban-first energy solutions.

Recent Developments

In January 2024, NineDot Energy secured a substantial $225 million equity investment from Manulife Investment Management and Carlyle, aimed at funding its extensive battery pipeline. This followed Carlyle's initial investment in December 2021 and over $100 million in collaboration with Fermata Energy for V2G projects targeting a total of 400 MWh by 2026 (source: nine.energy). Additionally, in July 2024, the company announced an upsized $50 million revolving credit facility, building on previous financing efforts that included $85 million in construction-to-term debt in December 2022 and $25 million from NY Green Bank in July 2023. NineDot's growth and innovation have been recognized, as the company ranked #5 on Crain’s “Best Places to Work in New York City” list for 2023, reflecting its positive workplace culture and commitment to employee satisfaction (source: nine.energy). No acquisitions or mergers have been reported in the last two years, indicating a focused strategy on organic growth and project development.

Working There

NineDot Energy is actively hiring across various roles, including development, construction, operations, engineering, and strategy, reflecting its growth from a small team to over 70 employees. The company plans to scale its workforce further as it expands its project pipeline, with a focus on local hiring from the Brooklyn headquarters (source: nine.energy). The culture at NineDot is characterized by a strong emphasis on community engagement, with partnerships that support local education and non-profit initiatives. Documented employee benefits include comprehensive medical, dental, and vision coverage, contributing to a supportive work environment (source: pmjobs.pmi.org). The leadership team, including CEO David Arfin and CTO Adam Cohen PhD, is committed to fostering a collaborative and innovative workplace that prioritizes long-term project success and community impact.

Last updated Feb 23, 2026 · Report an issue

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