S420 Curtailed - environmental condition

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S420 Curtailed - environmental condition is a status code used by WTG-03, WTG-04, and WTG-05.^{123456789101112} In the SCADA alarm and status log, these turbines were in S420 Curtailed - environmental condition from around 22:00 on 2026-06-01 to around 05:00 on 2026-06-02, and again from 22:00 on 2026-08-25 to 05:00 on 2026-08-26.^{123456789101112}

Facts

• 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 2026-06-02.¹²³⁴⁵⁶
• 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.^789101112

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 2026-06-02.¹²³⁴⁵⁶
• 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.^789101112

Documents

• SCADA alarm and status log, 2026-04-01 to 2026-08-31

Related

• Topics: 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

Sources

Footnotes

1. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 622 · table ↩ ↩² ↩³ ↩⁴

2. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 623 · table ↩ ↩² ↩³ ↩⁴

3. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 624 · table ↩ ↩² ↩³ ↩⁴

4. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 625 · table ↩ ↩² ↩³ ↩⁴

5. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 626 · table ↩ ↩² ↩³ ↩⁴

6. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 627 · table ↩ ↩² ↩³ ↩⁴

7. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1870 · table ↩ ↩² ↩³ ↩⁴

8. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1871 · table ↩ ↩² ↩³ ↩⁴

9. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1872 · table ↩ ↩² ↩³ ↩⁴

10. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1873 · table ↩ ↩² ↩³ ↩⁴

11. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1874 · table ↩ ↩² ↩³ ↩⁴

12. SCADA alarm and status log, 2026-04-01 to 2026-08-31 — row 1875 · table ↩ ↩² ↩³ ↩⁴

Provenance badgestable values parsed deterministically from the cited table rows