Echelon DUB20 Arklow Campus

Arklow / Avoca River Park, IrelandUnder construction

Headline capacity: Not established in published records
Updated: Oct 28, 2026
Utility: EirGrid

Echelon's DUB20 campus at Avoca River Park is under construction with a reported 90 MW first phase and a 200 MW full-campus design. Current planning records cover three ICT buildings and separate energy-centre works.

Capacity

Planned solar generation

Planned / design or future potential

6,000 MWh per year plus

Energy quantity; not power capacity

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Phase 1Under construction

Reported 90 MW first phase; building allocation and achieved energization are not public.

Full campus buildoutUnder construction

3 buildings

Three ICT buildings are permitted; completion and operating capacity have not been publicly disclosed.

Milestones (9)

Original 100 MW data center plan approved

Jul 19, 2019 · Recorded actual event

Completed · Event type not stated

Source not linked

Echelon and SSE announce joint 220 kV substation

Nov 17, 2020 · Recorded actual event

Completed · Event type not stated

Source not linked

WCC 21/1080 final grant

Jun 15, 2022 · Recorded actual event

Completed · Event type not stated

Source not linked

WCC 23/72 three-building permission granted

Jun 18, 2023 · Recorded actual event

Completed · Event type not stated

Source not linked

WCC 23/843 final grant

Apr 4, 2024 · Recorded actual event

Completed · Event type not stated

Source not linked

DUB20 construction start reported

Sep 1, 2025 · Recorded actual event

Completed · Construction started

Source not linked

WCC 25/60806 granted

Nov 27, 2025 · Recorded actual event

Completed · Event type not stated

Source not linked

Echelon launches DUB20 Green Energy Park

Mar 27, 2026 · Recorded actual event

Completed · Announced

Source not linked

DUB20 completion target

2028 · Forecast / planned record

Forecast · Event type not stated

Source not linked

Participants

Echelon Data Centres

Operator

Sources by role

Operator (1)

Echelon launches Ireland's first Green Energy Park · Mar 27, 2026 · Primary

Operator (1)

Echelon breaks ground at 200 MW County Wicklow campus · Sep 1, 2025 · Corroborating

Other participants (3)

EirGrid

Utility provider

Sources by role

Utility provider (1)

Echelon launches Ireland's first Green Energy Park · Mar 27, 2026 · Primary

Utility provider (1)

Echelon launches new facilities in Wicklow · Corroborating

IDA Ireland

Government authority

Sources by role

Government authority (1)

Echelon launches new facilities in Wicklow · Primary

SSE Renewables

Contractor

Sources by role

Contractor (1)

Echelon launches Ireland's first Green Energy Park · Mar 27, 2026 · Primary

Contractor (1)

Irish Prime Minister welcomes SSE Renewables and Echelon substation deal · Nov 17, 2020 · Corroborating

Site & development

Site identity

Actual

Avoca River Park / former Irish Fertiliser Industries site

Source

Target completion

Source report

2028

Source

Current permitted ict buildings

Source report

3 buildings

Source

Total ict floor area

Source report

48,618 square metres

Source

Approximate floor area per ict building

Source report

16,206 square metres

Source

Site cleared

Source report

True

Source

Technical specifications

Energy centre count

Source report

2 buildings

Source

Grid substation voltage

Source report

220 kV

Source

Additional project facts

Status

Actual

Construction

Source

Revised ec1 gas turbines

Source report

8 gas turbines

Source

Revised ec1 black start generators

Source report

4 generators

Source

Capacity boundary decision

Actual

90 MW Phase 1; 200 MW current / 204 MW historical full design; generation and wind access excluded from IT

Source

Infrastructure & permits

Technical details (4)

Electric grid

Under construction

220 kV

Joint Echelon/SSE substation linked to EirGrid and future Arklow Bank access.

Onsite generation

Secured or contracted

2 energy-centre buildings

Separate generation infrastructure;

Battery storage

Secured or contracted

27 battery arrays in original plan

Original permit history includes 27 arrays; final installed configuration is unresolved.

Solar

Planned or represented

6,000 MWh/year plus

Planned annual production, not instantaneous capacity.

Permit · Status not stated

Original DUB20 data center plan

Jul 19, 2019

Sources (1)

Plans for 100 MW Arklow data centre approved · Jul 19, 2019 · Primary

Permit · Issued

Two energy-centre buildings

Wicklow County Council

Jun 15, 2022

Sources (1)

Crag Digital Avoca Ltd planning history and energy-centre amendment · Nov 12, 2025 · Primary

Permit · Issued

Three ICT buildings

Wicklow County Council

Jun 18, 2023

Sources (3)

Crag Digital Avoca Ltd planning history and energy-centre amendment · Nov 12, 2025 · Primary
Grant list for WCC application 23/72 · Jun 18, 2023 · Corroborating
Further information list for WCC application 23/72 · Apr 30, 2023 · Corroborating

Permit · Issued

Energy Centre 1 amendment

Wicklow County Council

Apr 4, 2024

Sources (1)

Crag Digital Avoca Ltd planning history and energy-centre amendment · Nov 12, 2025 · Primary

Permit · Issued

Three ICT buildings — 2025 amendments

Wicklow County Council

Nov 27, 2025

Sources (1)

Grant list for WCC application 25/60806 · Nov 30, 2025 · Primary

Permit · Status not stated

Grid substation / transmission connection

Sources (3)

Echelon launches Ireland's first Green Energy Park · Mar 27, 2026 · Primary
Irish Prime Minister welcomes SSE Renewables and Echelon substation deal · Nov 17, 2020 · Corroborating
Echelon launches new facilities in Wicklow · Corroborating

Public-source research. Plans may change. See Evidence for sources and qualifications.