Trench Road, Killymallaght Substation (50 MW battery storage)
Trench Road, Killymallaght Substation is a 50 MW battery storage project in Derry City and Strabane, Northern Ireland. Its status in the Renewable Energy Planning Database (July 2026 extract) is: application submitted on 29 September 2024, no decision recorded; the record was last updated on 10 December 2024.
50 MWbattery storage
application submittedstatus in REPD
10 December 2024record last updated
Derry City and Strabanecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 29 September 2024 | Application submitted |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 50 MW
- Status (REPD)
- application submitted
- Record last updated
- 10 December 2024
- Operator or applicant
- Renewable Energy Systems Limited
- Planning authority
- Derry City and Strabane
- Planning application reference
- LA11/2024/0759/F
- Address (REPD)
- North-West of Trench Road, 500m North-West of Killymallaght Substation
- Council area (by location)
- Derry City and Strabane
- Name in REPD
- Trench Road, Killymallaght Substation - Battery Energy Storage
- REPD reference
- 17535
Who decides
| Applications | Derry City and Strabane | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 49 | 10,236 |
| Refused | 10 (20%) | 19% |
| Solar refused | 0 of 2 | 12% |
| Onshore wind refused | 10 of 43 | 45% |
| Battery storage refused | 0 of 4 | 16% |
| Median time from submission to decision | 103.3 weeks | 17.0 weeks |
| Appeals lodged / allowed | 4 / 0 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Curryfree Wind Farm | wind farm | 15 | operational | 2.1 |
| Gortmonly Wind Energy | wind farm | 15 | application withdrawn | 3.3 |
| Slieve Kirk Ext | wind farm | 11.5 | permission expired | 4.0 |
| Slieve Kirk | wind farm | 27.6 | operational | 4.0 |
| Mullaghmeash Road & Feeny | battery storage | 100 | application submitted | 5.9 |
| Battery Energy Storage Facility Development in Derry | battery storage | 17 | approved, not built | 8.2 |
| Ballylaw | wind farm | 6.9 | application withdrawn | 8.8 |
Status and dates as recorded in the Renewable Energy Planning Database (July 2026 extract); the database is compiled from public sources and can lag behind council decisions. Location: REPD grid reference (54.9459, -7.3328).