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Construction of Polihali Dam and transfer tunnel set to start as contracts awarded
07 November, 2022
The Lesotho Highlands Development Authority (LHDA) has awarded construction contracts for the Polihali Dam and Polihali Transfer Tunnel – the two biggest Lesotho Highlands Water Project Phase II contracts to date.

The second phase
12 November, 2018
The Lesotho Highlands Development Authority (LHDA) provides information on the Lesotho Highlands Water Project, and details on how work is progressing on Phase II

A large undertaking
05 December, 2016
IWP&DC provides an update on construction work being carried out or recently completed at selected large dam projects across the globe

Big in Africa
17 May, 2016
Details on 10 of the largest hydropower projects in Africa, from ageing projects through to those still in development stage. Listed in alphabetical order.

Asian advance
16 March, 2016
Hydro projects of all stages continue to make Asia a growth sector. Report by Patrick Reynolds

Bui Dam project, Ghana
28 May, 2014
Officially commissioned in December 2013, the 400MW Bui Dam project in Ghana has been named a project of the year by IWP&DC

African leap
16 May, 2013
A swathe of hydro projects – both large and small – are under development or in construction across the middle of Africa. Report by Patrick Reynolds

Coyne et Bellier, Ingénieurs Conseils
26 December, 2012

Mott MacDonald-Coyne et Bellier JV wins major contract in Albania
04 October, 2012
A joint venture of Mott MacDonald and Coyne et Bellier has been appointed by Devoll Hydropower Sh.A (DHP) as owner’s engineer for the development of three hydropower plants in Southern Albania which will increase electricity generation in the country by 20%.

WAPDA appoints design engineer on Tarbela extension, Pakistan
01 October, 2010
Mott MacDonald, in a joint venture with Coyne et Bellier, has been appointed by the Water and Power Development Authority (WAPDA) of Pakistan as design engineer for the 4th extension project at Tarbela Dam.

Creating Kárahnjúkar
01 April, 2010
A remote wilderness region of eastern Iceland is the scene of the Kárahnjúkar hydro power project

Reservoir Capital Corp to acquire hydro projects in Turkey
26 March, 2010
Reservoir Capital Corporation has signed an MoU with Ahmet Caliskan and Burcin Tunca to acquire a 75% interest in a 30.4MW portfolio of six small-scale hydroelectric projects in western and northwestern Turkey.

Ecuador takes bids for Zamora catchment studies
27 May, 2009
The Government of Ecuador has received bids from seven consultant parties to perform studies on the hydro power potential of the Zamora catchment.

Hydro power in Ethiopia - the staged construction of Tekeze Arch Dam
11 May, 2009
Upon completion at the end of February 2009, the Tekeze Concrete Arch Dam in Ethiopia became the highest dam on the African Continent. Here James R Stevenson and Mihret Debebe provide further details of the staged construction and filling sequence for the dam, while summarizing and updating the status of the power projects currently underway in the Federal Democratic Republic of Ethiopia by the Ethiopian Electric Power Corporation

Moving up from Akosombo
30 April, 2008
The Akosombo and Kpong schemes have dominated the hydro sector in Ghana and now, with support from China, the Volta river cascade is to be enlarged with the Bui project. Report by Neil Ford

Looking at tunnel roughness
03 April, 2008
Research in Kárahnjúkar headrace is providing fresh insight into tunnel wall roughness to estimate headloss. Report by Patrick Reynolds

Tunnelling equipment - digging deep, breaking records
24 April, 2007
Tunnelling has come a long way since the pioneering days of the 'Hydro Boys*', the drill-and-blast heroes of the Scottish Highlands. Construction of today's water power tunnels uses a sophisticated array of machines where virtually no underground obstacle is insurmountable. Chris Webb reviews some recent developments

Africa - pre-qualification
08 April, 2004
Pre-qualification applications have been sought for three different lots of the Adjarala 125MW hydroelectric scheme. They concern the civil works (50m high fill or RCC dam), the hydro-electromechanical equipment, and the last, grouping the 161kV transformers, substations and lines. Tenderers for the equipment should propose financing plan (buyer credit type).

Joint venture awarded Kárahnjúkar contract
09 September, 2003
A joint venture led by Mott MacDonald and comprising Línuhönnun, Fjarhitun and HNIT from Iceland plus European companies Coyne et Bellier, SWECO and Norconsult, has been appointed by national power company Landsvirkjun to oversee construction of a 190m high concrete faced rockfill dam and a 60km tunnel in eastern Iceland.

16 April, 2001

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