The Prediction Graveyard
Made with ❤️ by Aniruddh JangidLinkedIn
The Graveyard / Embassy of Ethiopia in Brussels

early · Unscored / disputed

An Ethiopian embassy article said GERD would start operations in 2016 and be fully completed in 2017.

Source-backed summary; not presented as a verbatim quotation.

Embassy of Ethiopia in Brussels
Official communicator of Ethiopia’s hydropower plans · Ethiopia

Made: 2016-07-01Resolved: 2025-09-09
Original conceptual trajectory diagram illustrating Right direction, wrong timing
Right direction, wrong timing. Original illustration for The Prediction Graveyard. Aniruddh Jangid, 2026. Original digital diagram. CC BY 4.0. Changes: none. This is a conceptual diagram, not an archival image.

The world at the time.

The official article presented the dam as central to Ethiopia’s industrialization and energy-export strategy. It reported nearly 70% completion and expected full completion the following year.

Hydroelectric Dam Development in EthiopiaGERD inauguratedConstruction of GERD 60% completeEthiopian government completion announcement

What happened.

GERD’s inauguration took place on September 9, 2025. The completed plant’s announced capacity was about 5,150 MW, lower than the 6,000 MW described in the 2016 article.

GERD inauguratedEthiopian government completion announcement

Predicted vs actual.

MetricPredictedActualVariance / caveat
Full completion/inauguration20172025-09-09Eight calendar years later
GERD inauguratedEthiopian government completion announcement

The counter-signal.

An embassy account based on its October 2016 magazine reported only 60% completion. The inconsistent progress figures were a contemporary reason to question a near-term completion forecast.

Construction of GERD 60% complete

Verdict.

Reasoning: contested · Outcome: wrong

Full completion in 2017 did not occur, although the dam was later inaugurated. Available public sources do not isolate which early assumptions caused every delay, so reasoning remains contested.

Uses verified 2016 official forecast, not an unlocated original 2011 estimate. Dates in Ethiopian calendar are corroborated against the contractor’s Gregorian September 9, 2025 release; counter-signal became available during the forecast window.

Cause of death / explanatory lens.

Right direction, wrong timing

The lesson.

What confidence should a schedule receive when official progress percentages conflict?

Sources.

  1. Hydroelectric Dam Development in Ethiopiaprimary · 2016-07-01 · claim/date
  2. GERD inauguratedprimary contractor · 2025-09-09 · outcome
  3. Construction of GERD 60% completeprimary · 2017-01-24 · counter-signal from October 2016 magazine
  4. Ethiopian government completion announcementprimary · 2025-09-09 · outcome corroboration

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