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Verified CRO data Updated 2026-05-16

THREECASTLES SOLAR LIMITED

● Active

Active Irish company in Dublin 2, incorporated 20 June 2016 — NACE 43.99, CRO 584620.

CRO 584620 Incorporated 20 Jun 2016 NACE 43.99 Dublin

Overview

ThreeCastles Solar Limited is a company registered in Ireland with CRO number 584620. The company is associated with the development of a 21.7 MWp solar farm in County Wicklow, Ireland. The project, named Threecastles solar farm, was awarded through Ireland’s RESS 2 auction in 2022 and will benefit from a CfD mechanism valid until 2040. The solar farm is expected to generate enough energy to power approximately 4,400 homes annually and prevent the emission of nearly 6,000 tonnes of CO2. It will be constructed in partnership with Neoen and Omexom, with TLI Group handling the onsite substation and grid connection. The project is set to be commissioned in 2026. The site will feature sheep grazing for vegetation maintenance and include biodiversity improvements such as tree planting, bird boxes, and bug hotels. The name suggests a focus on renewable energy and solar power generation. Beyond registry-level identification, no further business details are publicly captured.

Location & registered address

Ferry House
48-53 Mount Street Lower
Dublin
Dublin 2
Ireland

Industry classification

NACE Rev. 2 — 43.99

→ All NACE 43.99 companies in Ireland In Dublin

Company facts

Sourced from Companies Registration Office (CRO)

Legal name

THREECASTLES SOLAR LIMITED

CRO number

584620

Status

Active

Legal form

Ltd - Private Company Limited By Shares

Incorporated

20 June 2016

Operating years

10 years

Registered county

Dublin

Registered office

FERRY HOUSE, 48-53 MOUNT STREET LOWER, DUBLIN, Dublin 2, Ireland

Last annual return

31 December 2024

Last accounts

31 December 2024

Frequently asked questions

What does THREECASTLES SOLAR LIMITED do?

ThreeCastles Solar Limited is a company registered in Ireland with CRO number 584620. The company is associated with the development of a 21.7 MWp solar farm in County Wicklow, Ireland.

Where is THREECASTLES SOLAR LIMITED based?

THREECASTLES SOLAR LIMITED's registered office is at Ferry House, 48-53 Mount Street Lower, Dublin, Dublin 2, Ireland.

When was THREECASTLES SOLAR LIMITED founded?

THREECASTLES SOLAR LIMITED was incorporated with the Irish Companies Registration Office on 20 June 2016, more than 9 years ago.

Is THREECASTLES SOLAR LIMITED still active?

Yes. The company is listed with the Companies Registration Office under status 'Normal' as of the most recent filing on 31 December 2024.

What is the CRO number for THREECASTLES SOLAR LIMITED?

584620.

Where this data comes from

CRO Open Data data.gov.ie/dataset/companies-register Weekly All factual fields
AI synthesis Qwen3-4B-Instruct (locally hosted) 2026-05-16 Prose summary only

About this summary — the prose Overview above is generated by an LLM from the cited sources. Factual fields (CRO number, status, dates, address, NACE code) come directly from the Companies Registration Office. If you spot an error, please report it →

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