Annex VIII : Hydropower Good Practices 

Key Issues and Case Studies

Below you will find more than 60 individual case studies of good practice, relating to 10 Key Issues (KIs).  The case studies are best read in conjunction with the Summary Report.

• Hydropower Good Practices Summary Report (pdf, 306 kb)

Biophysical Impacts

KI-1 Biological Diversity

• 0101 The Okinawa Pumped Storage Project (Japan) (pdf, 716 kb) - ecosystem conservation measures
• 0102 Okutadami & Ohtori Expansion Hydropower Project(Japan) (pdf, 5MB) - ecosystem conservation measures
• 0103 Shin-Hannou Substation (Japan) (pdf,2.4MB) - afforestation and revegetation of a construction site
• 0104 Tomura PP (Japan) (pdf, 654kb) - post-project investigation of river ecosystem recovery
• 0105 Palmiet PSPP (South Africa) (pdf, 770kb) - ecosystem conservation by Environmental Management Plan

KI-2 Hydrological Regimes 

• 0201 Futagawa Dam (Japan) (pdf, 1.4MB) - monitoring of river system recovery
• 0202 Tsuga Dam (Japan) (pdf, 1.5MB) - monitoring of river system recovery
• 0203 Aishihik Hydro Generating Facility (Canada) (pdf, 372kb) - high water management in reservoir in relation to Water Licence Renewal
• 0204 Churchill River Diversion Project (Canada) (pdf, 596kb) - weir to raise river water level & fish protection
• 0205 Ulla-Forre Hydropower Project (Norway) (pdf, 2.4MB) - hydrological regime best for hydro production and riverine ecology

KI-3 Fish Migration and River Navigation

• 0301 Daini Numazawa PP (Japan) (pdf, 1.3MB) - acoustic fish entrainment prevention system
• 0302 Funagira PP (Japan) (pdf, 1.6MB) - fish ladder and monitoring of fish migration
• 0303 Maan Dam (Japan) (pdf, 1.2MB) - large scale fish ladder and monitoring of fish migration
• 0304 Chambly Dam (Canada) (pdf, 465kb) - fishway retrofit
• 0305 Puntledge PP (Canada) (pdf, 334kb) - fish bypass screen at power intake

KI-4 Reservoir Sedimentation

• 0401 Dashidaira Dam (Japan) (pdf, 1.3MB) - large scale sedimentation flushing operation
• 0402 Miwa Dam (Japan) (pdf, 2MB) - sediment control for dam using bypass tunnel
• 0403 Cameron Highlands Hydrolectric Scheme (Malaysia) (pdf, 2MB) - sediment management using silting weir and dredging

KI-5 Water Quality

• 0501 Asahi Dam (Japan) (pdf, 313kb) - diversion of sediment and turbid water during flood
• 0502 Hydropower Dams in the Hida River System (Japan) (pdf, 4.5MB) - selective intake and dam group operation
• 0503 Kamafusa Dam (Japan) (pdf, 974kb) - water quality control by aeration in reservoir
• 0504 Kobo Dam (Japan) (pdf, 1.4MB) - turbid and cold water problems addressed by constructing a simple surface intake using turbidity-preventing membrane
• 0505 Tsukabaru Dam (Japan) (pdf, 592kb) - reduction of water bloom by ultraviolet irradiation
• 0506 Mingtan Pumped Storage PP (Taiwan) (pdf, 686kb) - water quality and ecology in lake reservoir famous with tourists for its clear water
• 0507 Arrow Lakes Generating Station (Canada) (pdf, 215kb) - reduction of dissolved gas supersaturation (DGS)
• 0508 Shasta Dam (USA) (pdf, 550kb) - water temperature modification and salmon habitat restoration
• 0509 Yacyreta Hydroelectric Project (Argentina & Paraguay) (pdf, 1.2MB) - reduction of dissolved gas supersaturation (DGS)
• 0510 King River Power Development (Australia) (pdf, 557kb) - voluntary EIA and water quality associated witn copper mine

KI-6 Reservoir Impoundment

• 0601 Numappara Pumped Storage PP(Japan) (pdf, 2.6MB) - mashland conservation
• 0602 Sugarloaf Reservoir Project (Australia) (pdf, 922kb) - management of environmental and social impact

Socio-Economic Impacts

KI-7 Resettlement

• 0701 Chiew Larn Multipurpose Project (Thailand) (pdf, 3.5MB) - rebuilding of resettled communities
• 0702 Song Hinh Larn Multipurpose Project (Vietnam) (pdf, 380kb) - rebuilding of resettled communities
• 0703 Uri Hydroelectric Project (India) (pdf,325 kb) - rebuilding of resettled communities
• 0704 Salto Caxias Hydropower Project (Brazil) (pdf, 86kb) - rebuilding of resettled communities

KI-8 Minority Groups

• 0801 LaGrande (Laforge-1) (Canada) (pdf, 789kb) - joint implementation of remedial measures with indigenous people
• 0802 Minashtuk Generating Station (Canada) (pdf, 1.1MB) - partnersip with indigenous community

KI-9 Public Health

• 0901 Chamera (India) (pdf, 343kb) - health infrastructure improvement due to huge power project investment
• 0902 LaGrande Complex (Canada) (pdf, 889kb) - management of health issues due to a temporary mercury increase

KI-10 Landscape and Cultural Heritages

• 1001 Chinda PP (Japan) (pdf, 856kb) - conservation of historical waterfall
• 1002 Kurobe River (Japan) (pdf, 4.9MB) - powerhouse landscape designs for six power plants
• 1003 Border Euphrates Project (Turkey) (pdf, 4.1MB) - transfer and preservation of inundated cultural heritage
• 1004 Aurland Hydropower Development Project (Norway) (pdf, 2.9MB) - conservation of natural and cultural landscape
• 1005 Kokkosniva Hydropower Plant (Finland) (pdf, 2.2MB) - preservation of old village and riverine habitat

Sharing of Development Benefits

KI-11 Benefits due to Power Generation

• 1101 Integrated Hidaka River System Hydropower Development (Japan) (pdf, 1MB) - provision of power supply and regional development
• 1102 TEPCO Large Scale Pumped Storage Power Plants(Japan) (pdf, 1MB) - improvement in power system performance
• 1103 Mahagnao Micro-Hydro Demonstration Project(Phillippines) (pdf, 2.8MB) - Preservation of the natural environment within Mahagnao Lake
• 1104 Keban Dam and Hydroelectric PP (Turkey) (pdf, 1.8MB) - power supply and industrial development

KI-12 Benefits due to Dam Function

• 1201 Bhumibol Dam (Thailand) (pdf, 855kb) - irrigation and hydropower production
• 1202 Nam Ngum 1 Hydropower Plant (Laos) (pdf, 2.3MB) - multipurpose benefits (flood protection, irrigation, lake fishery, and tourism development) from plant built for single purpose
• 1203 Ataturk Dam and Hydroelectric PP (Turkey) (pdf, 470kb) - regional benefits (agricultural production, fisheries, reservoir recreation, job creation) from multipurpose development
• 1204 Freudenau Hydropower Plant (Austria) (pdf, 888kb) - groundwater management system

KI-13 Improvement of Infrastructure

• 1301 Sainte-Marguerite-3 (Canada) (pdf,486kb) - measures to improve infrastructure and to foster development of regional industries

KI-14 Development of Regional Industries

• 1401 Gosho Dam (Japan) (pdf, 4.4MB) - environmental improvement & tourism development at dam site
• 1402 Kurobe No. 4 Power Plant (Japan) (pdf, 593kb) - tourism development at dam site
• 1403 Miyagase Dam (Japan) (pdf, 3MB) - tourism development at dam site
• 1404 Yasaka Dam (Japan) (pdf, 1.4MB) - enviromental improvement & sightseeing development at dam site
• 1404 Cirata Hydro Electric Power Project (CHEPP) (Indonesia) (pdf, 1.1MB) - reservoir fishery in resettlement program

KI-15 - Others

• 1501 Shin-Shimodaira & Shin-Koara Power Plants (Japan) (pdf, 1.8MB) - use of wood wastes at dam site
• 1502 Taki Dam (Japan) (pdf, 783kb) - use of driftwood in reservoir
• 1503 Tomisato Dam (Japan) (pdf, 3.8MB) - recycling of felled trees at dam site