Firlough project
Overview
Sources
Name · RTE.ie
Current value: Value: Firlough project
RTE.ie
New green hydrogen production plant planned for Mayo
Last confirmed: 2026-08-30T15:13:04+00:00
Capacity · Mercury Renewables (Carrowleagh) Limited
Current value: Value: 10 MW minimum initial electrolyser; up to 80 MW maximum (planned)
Mercury Renewables (Carrowleagh) Limited
Firlough Wind Farm and Hydrogen Plant Planning Statement
Mercury Renewables (Carrowleagh) Limited
Last confirmed: 2026-10-07T15:51:55+00:00
Earlier value: Value: 7.7964
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Capacity (kt H2/y)
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Earlier value: Value: 45
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Capacity (MWel)
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Earlier value: Value: 10000
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Capacity (Nm³ H₂/h)
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Earlier value: Value: 45 MW
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Announced Size
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Status · International Energy Agency
Earlier value: Value: Feasibility study
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Status
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Country · International Energy Agency
Earlier value: Value: Ireland
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Country (ISO-3)
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Target operation · Source
Location & names
Sources
Site Name · Source
Administrative Area · International Energy Agency
Earlier value: Value: Bonniconlon
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Location
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Alias · Source
Coordinates Precision · International Energy Agency
Earlier value: Value: 54.1096426735225; Value: -9.03113627467893
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Latitude+Longitude
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
External Identifier · Source
Lineage Relation · Source
Local Name · Source
Official Name · Source
Technology & product
Sources
Carbon Reduction · Source
Components · Source
Configuration Detail · International Energy Agency
Earlier value: Value: Unknown PtX
International Energy Agency
iea_hydrogen_projects_raw.csv
Last confirmed: 2026-06-18T00:00:00+00:00
As of: 2026-06-18
Feedstock · Source
Final Use · Mercury Renewables (Carrowleagh) Limited
Current value: Value: Transport and high-heat industry (planned)
Mercury Renewables (Carrowleagh) Limited
Firlough Wind Farm and Hydrogen Plant Planning Statement
Mercury Renewables (Carrowleagh) Limited
Last confirmed: 2026-10-07T15:51:55+00:00
Power Contract Attribute · Source
Power Source · Mercury Renewables (Carrowleagh) Limited
Current value: Value: Co-located Firlough wind farm (planned)
Mercury Renewables (Carrowleagh) Limited
Firlough Wind Farm and Hydrogen Plant Planning Statement
Mercury Renewables (Carrowleagh) Limited
Last confirmed: 2026-10-07T15:51:55+00:00
Power Source Detail · Source
Product · International Energy Agency
Earlier value: Value: H2
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Product
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Project Group · Source
Project Type · Source
Technology · International Energy Agency
Earlier value: Value: Other Electrolysis
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Technology
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18
Capacity & economics
Sources
Awarded Price · Source
Demand Consumption · Source
Financing · Source
Production Cost · Source
Production · Mercury Renewables (Carrowleagh) Limited
Current value: Value: Up to 4,000 kg/day at initial 10 MW; up to 31,200 kg/day at maximum 80 MW (planned)
Mercury Renewables (Carrowleagh) Limited
Firlough Wind Farm and Hydrogen Plant Planning Statement
Mercury Renewables (Carrowleagh) Limited
Last confirmed: 2026-10-07T15:51:55+00:00
Purchase Agreement Details · Source
Sales Price · Source
Total Capex · Source
Status & timeline
Sources
Actual Output · Source
Actual Utilization · Source
Event · International Energy Agency
Earlier value: Value: 2027
International Energy Agency
iea_hydrogen_projects_raw.csv
Original field: Date online
Last confirmed: 2026-09-01T03:10:00+00:00
As of: 2026-06-18