Delivery Tunnel North Lesotho Highlands Water Project
Kinzua Dam, Warren, Pennsylvania, USA
Service tunnel
Intake towers for the Hoover Dam, Lake Mead, USA
Water Dam vector image
Glen Canyon Dam, Arizona, USA
Water intake tower for Hoover Dam in Lake Mead, USA
Norris dam and reservoir
Canada Geese and Hydroelectric Power
Seneca Pumped Storage Reservoir, aerial photograph
Overflow spillway on the Arizona side of Hoover Dam, USA
Water intake towers for Hoover Dam in Lake Mead, USA
Archimedes screw hydropower at Radyr Weir, Wales
Hoover Dam
Teddy bear sitting on seaside dike
Hoover dam
Hoover Dam, USA
五十里ダム
Hoover dam, USA
Micro hydroelectric scheme
利根川の治水と首都圏への利水を司る薗原ダム
Aswan High Dam, Egypt
黒部ダム
Rebuilding a weir
ダム
水力発電イメージ
マイクロ水力発電 日高港新エネルギーパーク EEパーク
Electric powerhouse of Glen Canyon Dam, Arizona, USA
Hydroelectric power station, Scotland
新潟県 鹿瀬ダム
Parker Dam and Colorado River, USA
Artificial lake, South America
Germany, Bavaria, Isar river, Zulling, hydro plant, aerial view
Germany, Bavaria, Landshut, Isar river, hydro plant Uppenborn, aerial view
Rundle hydro power plant, Canada
Construction of Eda dam, Cameroon
白萩発電所
昔の水力発電装置
Armstrong's hydro-electric machine
Steam electricity.
Hydroelectric power station
仙巌園 島津家水天渕発電所記念碑
紅葉の黒部峡谷の黒薙温泉
開成町あじさい公園発電所
品木ダム湖
Gas masks in hydro power station
Hydroelectric dam
Lake Nasser, Egypt
Hydroelectric power turbine
水と稲妻
Watermill
Mike O'Callaghan-Pat Tillman Memorial Bridge
天ケ瀬ダムの概要
三保ダム
塩川ダム
奈川渡ダムと安曇発電所
宮城県 鳴子ダムのすだれ放流
Rheidol hydroelectric power station
Power station pipework
ダムの放水
風力発電風車
Artwork next to reservoir, Iceland
城山湖
Offshore platform construction
Life boats on an offshore platform
Solar-powered street light
Mill wheel
インディアン水車
水面・地紋
朝日に光る水車
水車
River meander and hot springs, Iceland
Guthega Dam, Australia
琵琶湖疎水
Wooden penstock
Glen Canyon Dam and Glen Canyon Bridge, Arizona, USA
家中川小水力市民発電所
Guatape, Antioquia Department, Colombia
馬籠宿の水力発電1号機
メガソーラー
Hydroelectric dam in the Kariba Gorge
A hydro electric turbine
Hydro electric turbine house
風力発電
玉川ダム 秋田県
井川ダム全景
工事現場の太陽光発電パネル
風車
Seltun Hot Springs, Iceland
China, Yunnan Province, Luoping County, ancient water wheel
Blurred view of water falling off a waterwheel, close-up
Wind turbine by River Trent
Energy symbol drawn in sand on beach
New Zealand, North Island, Waikato River, Huka Falls
Solar powered commentary for the blind
黒部ダムの放水
草原と風力発電
Solar power
大規模太陽光発電
太陽電池と風力発電
四万川ダム
井川線の車窓から見る長島ダム
水車と流れる水
A small scale hydro electric station
福岡県 朝倉市
Germany, barrage hydropower, at the Wertach at the Irsingeneer See, Bad Woerishofener Stausee