WTG-05

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WTG-05 is a turbine at Quellmoor Ridge Wind Farm and is part of the environmental permit curtailment group WTG-03 to WTG-05.^{12345678910111213} It is subject to bat protection curtailment at night from 1 June to 31 August when wind is low and temperature is 10 °C or higher.¹⁴¹⁵ Current records also show a rescue kit inspection work order in progress for WTG-05.^16171819

Facts

• From 1 June to 31 August each year, WTG-03, WTG-04 and WTG-05 must be stopped between 22:00 and 05:00 local time whenever hub-height wind speed is below 6.0 m/s and air temperature is 10 °C or higher.¹⁴
• Variation 2 was justified by the presence of a protected bat species maternity roost in Skelvane Wood, east of WTG-03, WTG-04 and WTG-05, with foraging near the turbines on warm, calm summer nights.¹⁴
• WTG-03, WTG-04, and WTG-05 started S420 Curtailed - environmental condition around 22:00 on 2026-06-01 and ended the curtailment around 05:00 on 2026-06-02.^202122232425
• WTG-05 raised A4105 Pitch system fault with value 1 axis on 2026-08-03, started S510 Stopped - fault, then cleared A4105 and ended S510 about two hours later.^26272829
• WTG-02 and WTG-05 entered S310 Maintenance mode on 2026-08-25 in the morning, and both maintenance mode intervals ended later the same day.^30313233
• WTG-03, WTG-04 and WTG-05 entered S420 Curtailed - environmental condition at 22:00 on 2026-08-25, and the curtailment ended at 05:00 on 2026-08-26.^343536373839
• Near the end of the export, WO-26-0444 for WTG-05 is in progress for rescue kit inspection, WO-26-0450 for WTG-11 is waiting for parts for a leaking hydraulic hose in the yaw brake circuit with part AWI-10442 quantity 1, and WO-26-0457 for WTG-03 is open for yaw brake pad inspection.¹⁶¹⁷¹⁸
• The bat protection curtailment season started on 1 June for WTG-03, WTG-04, and WTG-05 under permit condition 7.3.¹⁵
• The turbine labels shown on the plan are WTG-01, WTG-02, WTG-03, WTG-04, WTG-05, WTG-06, WTG-07, WTG-08, WTG-09, WTG-10, WTG-11, and WTG-12.^{123456789101112}
• WTG-03 to WTG-05 are labelled as an environmental permit curtailment group.¹³
• The completed checklist is dated 14/07/2026, identifies the turbine as WTG-05 in the OCR text, and lists technician C. Rydings.⁴⁰⁴¹⁴²
• WTG-05 rescue kit inspection WO-26-0444 has started and is to finish next week.¹⁹
• WTG-03, WTG-04, and WTG-05 are expected to have bat curtailment again at night due to low wind.¹⁹
• WTG-03, WTG-04 and WTG-05 are expected to stop from 22:00 if wind remains low due to bat curtailment, and this should not be reset.⁴³
• The WTG-05 daily checklist CHK-05 was completed yesterday with all items OK.⁴⁴

Timeline

• 2026-06-01: WTG-03, WTG-04, and WTG-05 started S420 Curtailed - environmental condition around 22:00 on 2026-06-01 and ended the curtailment around 05:00 on 2026-06-02.^202122232425
• 2026-08-03: WTG-05 raised A4105 Pitch system fault with value 1 axis on 2026-08-03, started S510 Stopped - fault, then cleared A4105 and ended S510 about two hours later.^26272829
• 2026-08-25: WTG-02 and WTG-05 entered S310 Maintenance mode on 2026-08-25 in the morning, and both maintenance mode intervals ended later the same day.^30313233
• 2026-08-25: WTG-03, WTG-04 and WTG-05 entered S420 Curtailed - environmental condition at 22:00 on 2026-08-25, and the curtailment ended at 05:00 on 2026-08-26.^343536373839

Documents

• Environmental Permit EP-2018-0417 - Quellmoor Ridge Wind Farm (consolidated with variation 2)
• MOC-2025-012 - Gearbox Oil Grade Change to PWG 220
• Blade inspection report WBS-2026-031 - Quellmoor Ridge Wind Farm (May 2026)
• SOP-GBX-010 Rev. B - Gearbox oil change
• SOP-WAH-003 Revision B - Working at height and rescue
• WI-GEN-014 Rev. A - Generator Brush Replacement
• Asset Register 2026 of Quellmoor Ridge Wind Farm, revision 2026-01-12
• Maintenance Plan 2026, Issue 2 — Quellmoor Ridge Wind Farm
• SCADA alarm and status log, 2026-04-01 to 2026-08-31
• Work Orders Export through 2026-08-31
• KPI Export 2026-H1
• Monthly O&M Review Minutes – 2026-06-18
• Quellmoor Ridge Wind Farm Onboarding and Site Rules (February 2025)
• Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C
• Daily Turbine Checklist Form CHK-05 for WTG-05, 14/07/2026
• Email RE: LWS-TS-48213 Applicability of SB-LWS-2025-07 Rev. A to Quellmoor Ridge
• Shift Handover for 2026-07-29 Day Shift
• Shift handover - 2026-07-15 (day shift to night shift)
• Toolbox Talk: Cold-Weather Start-Up After PWG 220 Conversion
• SOP-GBX-010 - Gearbox oil change, Revision A (superseded)

Related

• Topics: Blades, pitch bearings and main-component lifts, Cold-climate operation and icing, Environmental permit and night curtailment, Gearbox lubrication and oil changes, Gearbox temperature, vibration and oil analysis, Generator brushes and electrical systems, Grid connection and grid operator instructions, Safety, isolation and work at height, Spare parts, stock levels and supply, Training, site rules and acronyms

Sources

Footnotes

1. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 5 · OCR ↩ ↩²

2. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 6 · OCR ↩ ↩²

3. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 9 · OCR ↩ ↩²

4. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 10 · OCR ↩ ↩²

5. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 11 · OCR ↩ ↩²

6. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 13 · OCR ↩ ↩²

7. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 12 · OCR ↩ ↩²

8. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 14 · OCR ↩ ↩²

9. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 16 · OCR ↩ ↩²

10. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 18 · OCR ↩ ↩²

11. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 20 · OCR ↩ ↩²

12. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 21 · OCR ↩ ↩²

13. Quellmoor Ridge Wind Farm Site Layout Plan - Rev. C — region 8 · OCR ↩ ↩²

14. Environmental Permit EP-2018-0417 - Quellmoor Ridge Wind Farm (consolidated with variation 2) — p. 2 · ✓ quote verified ↩ ↩² ↩³

15. Monthly O&M Review Minutes – 2026-06-18 — ¶ 14 · ✓ quote verified ↩ ↩²

16. Work Orders Export through 2026-08-31 — row 82 · table ↩ ↩²

17. Work Orders Export through 2026-08-31 — row 83 · table ↩ ↩²

18. Work Orders Export through 2026-08-31 — row 86 · table ↩ ↩²

19. Shift Handover for 2026-07-29 Day Shift — lines 5–14 · ✓ quote verified ↩ ↩² ↩³

20. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 622 · table ↩ ↩²

21. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 623 · table ↩ ↩²

22. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 624 · table ↩ ↩²

23. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 625 · table ↩ ↩²

24. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 626 · table ↩ ↩²

25. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 627 · table ↩ ↩²

26. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1524 · table ↩ ↩²

27. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1525 · table ↩ ↩²

28. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1526 · table ↩ ↩²

29. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1527 · table ↩ ↩²

30. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1850 · table ↩ ↩²

31. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1851 · table ↩ ↩²

32. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1856 · table ↩ ↩²

33. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1857 · table ↩ ↩²

34. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1870 · table ↩ ↩²

35. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1871 · table ↩ ↩²

36. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1872 · table ↩ ↩²

37. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1873 · table ↩ ↩²

38. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1874 · table ↩ ↩²

39. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1875 · table ↩ ↩²

40. Daily Turbine Checklist Form CHK-05 for WTG-05, 14/07/2026 — region 5 · OCR ↩

41. Daily Turbine Checklist Form CHK-05 for WTG-05, 14/07/2026 — region 6 · OCR ↩

42. Daily Turbine Checklist Form CHK-05 for WTG-05, 14/07/2026 — region 7 · OCR ↩

43. Shift handover - 2026-07-15 (day shift to night shift) — lines 11–14 · ✓ quote verified ↩

44. Shift handover - 2026-07-15 (day shift to night shift) — lines 18–20 · ✓ quote verified ↩

Provenance badges✓ quote verified the quoted words were found verbatim in the source texttable values parsed deterministically from the cited table rowsOCR text recognised from an image; compare it with the image