Grand Ethiopian Renaissance Dam Inaugurated

Kraftwerke OberhasliSpitallamm Dam, Grimsel Pass, Bern, Switzerland

New Spitallamm Dam Replaces Century-Old Cracked Wall

Starts 12/31/2025ESTIMATED 65% CONFIDENCE266 days agoSources place the new dam's completion in 2025 - some reporting it already in operation by autumn 2025 - with the powerplant's full restart following in 2026; no single confirmed completion date was found.^[1]

Swiss utility KWO finished building a new 113-metre arch dam directly in front of its cracked 1932 predecessor high in the Grimsel Pass.

0.69

Transport09/14/2026@BuildDesk

Bishoftu International Airport

Bishoftu, Oromia, EthiopiaEthiopian Airlines

Starts 12/31/2030SCHEDULED 82% CONFIDENCEin 4.3 yearsGiven as scheduled, per the source^[1]: "Phase I is expected to open in 2030 with two runways and capacity for 60 million passengers."

Ethiopia has begun construction on the $12.5BN Bishoftu International Airport, designed for up to 110 million passengers a year and billed as Africa's biggest aviation project.

$12.5B

0.66

Egypt New Delta Project

Wadi El Natrun, Beheira, Egypt

Starts 05/17/2026CONFIRMED 89% CONFIDENCE129 days agoHappened as dated, per the source^[1]: Egypt's president "officially inaugurated the New Delta project on May 17, 2026."

Egypt has inaugurated the $15BN New Delta project, moving recycled water across the desert to reclaim up to 2.2 million feddans of new farmland west of the Nile Delta.

$15B

0.64

Lesotho Highlands Development Authority

Lesotho Delivers Its First Water to South Africa

Katse Dam, Lesotho

Lesotho Delivers Its First Water to South Africa

Starts 01/22/1998CONFIRMED 80% CONFIDENCE28.7 years agoWikipedia^[2] gives an exact date: "Water delivery officially began on 22 January 1998," after the Katse Dam was completed in 1996 and its reservoir filled by 1997.

Water begins flowing from the newly completed Katse Dam through the Lesotho Highlands Water Project to Johannesburg, the first payment on a 1986 treaty that turns Lesotho’s rainfall into its biggest export.

ZAR 9.3B

0.63

Architecture09/15/2026@BuildDesk

Polavaram Irrigation Project Targets 2027 Completion

Polavaram, Andhra Pradesh, India

Starts 12/31/2027ESTIMATED 66% CONFIDENCEin 1.3 yearsDecember 2027 is the official scheduled completion date (Deccan Chronicle^[3], 8 December 2025), with the agencies pushing to finish before the Godavari Pushkaralu in July 2027. Wikipedia's^[2] infobox instead expects July 2029. The pin keeps the official 2027 target its title is about, dated to the last day of that year, but as an estimate that later sources may not bear out.

India's Polavaram multi-purpose dam on the Godavari river, one of the country's largest irrigation and hydropower projects, is racing toward completion under a Rs 12,157 crore central funding boost.

0.62

Egypt's Iconic Tower Completed

New Administrative Capital, Egypt

Starts 12/31/2024CONFIRMED 87% CONFIDENCE1.7 years agoHappened as dated, per the source^[1]: the Iconic Tower's "official completion date was 2024".

The 394-metre Iconic Tower in Egypt's New Administrative Capital was completed in 2024, becoming Africa's first supertall skyscraper and its tallest building.

0.61

Gorona del Viento El HierroEl Hierro, Canary Islands, Spain

Gorona del Viento Hydro-Wind Plant Opens on El Hierro

Starts 06/27/2014CONFIRMED 80% CONFIDENCE12.2 years agoRenewable-energy trade coverage and the plant operator's own materials date the Gorona del Viento^[2] inauguration to 27 June 2014.

El Hierro's Gorona del Viento plant, combining five wind turbines with a pumped-hydro reservoir, was inaugurated to make the smallest Canary Island the first in the world able to run entirely on renewable energy. Excess wind power pumps water uphill for use when the wind drops.

0.61

Hidroituango Dam Crisis Forces Mass Evacuation in Colombia

EPMItuango, Antioquia, Colombia

Starts 05/12/2018CONFIRMED 81% CONFIDENCE8.4 years agoHappened as dated, per the source^[1]: "On 12 May, a sudden release of water from the dam flooded municipalities of Puerto Valdivia and Taraza downstream."

A blocked diversion tunnel at Colombia's roughly $4 billion Hidroituango hydroelectric project triggered flooding and landslides that forced thousands of people downstream to evacuate.

$4B

0.61

Ministry of Water Resources and Irrigation

Egypt Opens the Mubarak Pumping Station on the Toshka Project

Toshka, Aswan Governorate, Egypt

Egypt Opens the Mubarak Pumping Station on the Toshka Project

Starts 03/01/2005CONFIRMED 78% CONFIDENCE21.6 years agoSources agree the Mubarak Pumping Station "was inaugurated in March 2005"; no source gives the exact day, so this pin is dated to the start of that month.^[1]

The world's largest pumping station begins lifting water from Lake Nasser into the Sheikh Zayed Canal, launching Egypt's attempt to grow a second Nile valley 310 km into the Sahara.

$436M

0.61

Роғун ГЭС, Ноҳияи Роғун, Тоҷикистон

Rogun Dam Targets Completion as World's Tallest

Starts 12/31/2029ESTIMATED 61% CONFIDENCEin 3.3 yearsGiven as scheduled, per the source^[1]: "the dam registered a significant advancement of works, with a rise of as much as 100 metres" during the past year, with full completion still targeted for 2029.

Tajikistan's Rogun Dam, a Soviet-era project restarted after independence, is targeted to reach full completion around 2029 as the world's tallest dam at roughly 335 metres.

$6.3B

0.60

Infrastructure09/15/2026@BuildDesk

Queensland Reverses Course, Commits to Rebuilding Paradise Dam Wall in Place

Paradise Dam, Burnett River, Queensland, AustraliaSunwater

Starts 07/07/2026CONFIRMED 85% CONFIDENCE78 days agoHappened as dated, per the source^[1]: "I don't accept the nonsensical argument that was being put up, which is an inferior, smaller wall downstream".

Queensland abandoned its plan for a new downstream dam in July 2026 and committed instead to rebuilding Paradise Dam's existing wall back to its original height.

A$60M

0.60

Energy09/11/2026@ThePinGang

Grand Ethiopian Renaissance Dam Inaugurated

Benishangul-Gumuz, Ethiopia

Africa's largest hydroelectric plant at 5.15 GW, filled over five years amid a long dispute with Egypt and Sudan over Nile flows.

$5B

0.74

Kraftwerke OberhasliSpitallamm Dam, Grimsel Pass, Bern, Switzerland

New Spitallamm Dam Replaces Century-Old Cracked Wall

Swiss utility KWO finished building a new 113-metre arch dam directly in front of its cracked 1932 predecessor high in the Grimsel Pass.

0.69

Transport09/14/2026@BuildDesk

Bishoftu International Airport

Bishoftu, Oromia, EthiopiaEthiopian Airlines

Starts 12/31/2030SCHEDULED 82% CONFIDENCEin 4.3 yearsGiven as scheduled, per the source^[1]: "Phase I is expected to open in 2030 with two runways and capacity for 60 million passengers."

Ethiopia has begun construction on the $12.5BN Bishoftu International Airport, designed for up to 110 million passengers a year and billed as Africa's biggest aviation project.

$12.5B

0.66

Egypt New Delta Project

Wadi El Natrun, Beheira, Egypt

Starts 05/17/2026CONFIRMED 89% CONFIDENCE129 days agoHappened as dated, per the source^[1]: Egypt's president "officially inaugurated the New Delta project on May 17, 2026."

Egypt has inaugurated the $15BN New Delta project, moving recycled water across the desert to reclaim up to 2.2 million feddans of new farmland west of the Nile Delta.

$15B

0.64

Lesotho Highlands Development Authority

Lesotho Delivers Its First Water to South Africa

Katse Dam, Lesotho

ZAR 9.3B

0.63

Architecture09/15/2026@BuildDesk

Polavaram Irrigation Project Targets 2027 Completion

Polavaram, Andhra Pradesh, India

India's Polavaram multi-purpose dam on the Godavari river, one of the country's largest irrigation and hydropower projects, is racing toward completion under a Rs 12,157 crore central funding boost.

0.62

Egypt's Iconic Tower Completed

New Administrative Capital, Egypt

Starts 12/31/2024CONFIRMED 87% CONFIDENCE1.7 years agoHappened as dated, per the source^[1]: the Iconic Tower's "official completion date was 2024".

The 394-metre Iconic Tower in Egypt's New Administrative Capital was completed in 2024, becoming Africa's first supertall skyscraper and its tallest building.

0.61

Gorona del Viento El HierroEl Hierro, Canary Islands, Spain

Gorona del Viento Hydro-Wind Plant Opens on El Hierro

Starts 06/27/2014CONFIRMED 80% CONFIDENCE12.2 years agoRenewable-energy trade coverage and the plant operator's own materials date the Gorona del Viento^[2] inauguration to 27 June 2014.

0.61

Hidroituango Dam Crisis Forces Mass Evacuation in Colombia

EPMItuango, Antioquia, Colombia

A blocked diversion tunnel at Colombia's roughly $4 billion Hidroituango hydroelectric project triggered flooding and landslides that forced thousands of people downstream to evacuate.

$4B

0.61

Ministry of Water Resources and Irrigation

Egypt Opens the Mubarak Pumping Station on the Toshka Project

Toshka, Aswan Governorate, Egypt

The world's largest pumping station begins lifting water from Lake Nasser into the Sheikh Zayed Canal, launching Egypt's attempt to grow a second Nile valley 310 km into the Sahara.

$436M

0.61