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Constraint (event) · Namibia, South Africa

Kokerboom substation fault and Aries-Kokerboom maintenance, October 2026

Record NAM-K-0002 · draft, not yet reviewed by a person

Evidence

Dates: 15 Oct 2026

  • partial blackout (central and coastal areas, per the headline) · 15 Oct 2026
    "The outage, which struck at 01h31, was caused by a fault on the 400kV system at Kokerboom substation"; "Power was restored across the affected network at 01h49, bringing the partial blackout to an end after 18 minutes." "The outage, which struck at 01h31, was caused by a fault on the 400kV system at Kokerboom substation"; "Power was restored across the affected network at 01h49, bringing the partial blackout to an end after 18 minutes."NamPower apologises after midnight blackout hits central, coast · article text · 15 Oct 2026not yet checked by a personChecked by machine match on the editor's PC, 18 Oct 2026: word for word (docs/quote-machine-match-2026-10-18.md); not yet checked by a personSecondary source: no NamPower statement read
    NamPower apologises after midnight blackout hits central, coast · article text · not yet checked by a person
  • planned interconnector maintenance · target: 17 Oct 2026
    a planned outage on 17-18 October 2026 of "The 400kV Kokerboom - Aries (South Africa – Namibia) interconnector for maintenance" a planned outage on 17-18 October 2026 of "The 400kV Kokerboom - Aries (South Africa – Namibia) interconnector for maintenance"SAPP Monthly Report, August 2026 (R08) · Table 3, p.5 (inferred) · target: 17 Oct 2026not yet checked by a personChecked by machine match on the editor's PC, 18 Oct 2026: word for word (docs/quote-machine-match-2026-10-18.md); not yet checked by a person
    SAPP Monthly Report, August 2026 (R08) · Table 3, p.5 (inferred) · not yet checked by a person
Still unknown
  • Whether the 15 October fault involved the Aries-Kokerboom interconnector itself, and whether it affected imports. The report read does not say.

Institutions named

A role is shown only where a quoted source says what the institution does on this reform.

Reach: 0 cross-border links, 0 blockers, 2 institutions in 2 countries or bodies. Counted from the records.