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Lumcloon Energy

Irish project developer focused on flexible power and energy storage assets.

Last updated September 28, 2026

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Overview

Lumcloon Energy is an Irish power generation project development company founded in 2008. It focuses on flexible power and energy assets, identifying flexibility as a key component for power systems that are transitioning from fossil-based generation to renewable-based generation. The company is based at Parsons House, 56 Axis Business Park, Tullamore, Co. Offaly, Ireland, and operates primarily in Ireland while exploring other jurisdictions. Lumcloon Energy describes itself as highly experienced in energy project development, having executed a number of projects in Ireland and successfully completed consenting processes for energy projects. It continues to maintain an interest in assets that have been successfully delivered, from early development through ongoing commercial operation. Its stated mission is to design, develop and deploy solutions onto power systems that enable a secure and sustainable supply of electricity. The company's current project portfolio includes Red Admiral DC, Coolpowra FlexGen, Rhode LDES, Derrycarney Solar, Shannonbridge B – Synchronous Condenser and BESS, Castlelost FlexGen, Shannonbridge BESS, and Lumcloon BESS. These projects span data centre power, flexible generation, long-duration energy storage, solar, synchronous condensers and battery energy storage systems. Lumcloon Energy is a founding member of IESA, the Irish Energy Storage Association, which represents the interests of the energy storage sector on the island of Ireland and shares knowledge and experience with energy storage players worldwide. The company is privately held and does not disclose a stock exchange listing.

History

Lumcloon Energy was founded in 2008 as a project development company focused on flexible power and energy assets. From its base in Tullamore, Co. Offaly, Ireland, the company identified flexibility as a key component to address the changing needs of evolving power systems, which are transitioning from fossil-based generation to renewable-based generation. Over its history, Lumcloon Energy has executed a number of projects in Ireland and has successfully completed the consenting process for energy projects. It continues to maintain an interest in assets that have been successfully delivered, from early development and ongoing commercial operation. The company has also explored other jurisdictions beyond Ireland. Its project portfolio has grown to include a range of technologies: Red Admiral DC, Coolpowra FlexGen, Rhode LDES, Derrycarney Solar, Shannonbridge B – Synchronous Condenser and BESS, Castlelost FlexGen, Shannonbridge BESS, and Lumcloon BESS. These reflect the company's focus on flexible generation, energy storage, solar and grid stability assets. Lumcloon Energy is a founding member of IESA, the Irish Energy Storage Association, which represents the interests of the energy storage sector on the island of Ireland and shares knowledge and experience with energy storage players worldwide. The company remains privately held and active as of the latest available information.

  • 2008

    Lumcloon Energy founded as a project development company focused on flexible power and energy assets.

  • Successfully completed consenting process for energy projects in Ireland.

  • Became a founding member of IESA (Irish Energy Storage Association).

Products and positioning

Project developer of flexible power and energy storage assets supporting the transition to renewable-based power systems.

  • Red Admiral DC

    Data centre power project.

  • Coolpowra FlexGen

    Flexible generation project.

  • Rhode LDES

    Long-duration energy storage project.

  • Derrycarney Solar

    Solar power project.

  • Shannonbridge B – Synchronous Condenser and BESS

    Synchronous condenser and battery energy storage project.

  • Castlelost FlexGen

    Flexible generation project.

  • Shannonbridge BESS

    Battery energy storage system project.

  • Lumcloon BESS

    Battery energy storage system project.

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