Power station pipework
Rheidol hydroelectric power station
Hydroelectric power station, Scotland
Aswan High Dam, Egypt
Service tunnel
Germany, Bavaria, Upper Bavaria, Kochel am See, Erlebniskraftwerk Walchensee, pressure pipes
Hydroelectric dam
Overflow spillway on the Arizona side of Hoover Dam, USA
Archimedes screw hydropower at Radyr Weir, Wales
Water intake towers for Hoover Dam in Lake Mead, USA
Glen Canyon Dam, Arizona, USA
Hoover dam
Hoover Dam
Watermill
Intake towers for the Hoover Dam, Lake Mead, USA
Seneca Pumped Storage Reservoir, aerial photograph
Kinzua Dam, Warren, Pennsylvania, USA
Delivery Tunnel North Lesotho Highlands Water Project
Westinghouse two-phase generator, 1890s
Hydroelectric pipeline
A hydro electric turbine
Hydro electric turbine house
Hydroelectric power station
Rundle hydro power plant, Canada
Mike O'Callaghan-Pat Tillman Memorial Bridge
ダムの放水
Gas masks in hydro power station
水力発電イメージ
Water Dam vector image
琵琶湖疎水
ダム
Parker Dam and Colorado River, USA
マイクロ水力発電 日高港新エネルギーパーク EEパーク
Power station transformer
Oil pipework on refinery
Solar power plant
Solar power plant at sunrise
玉川ダム 秋田県
白萩発電所
昔の水力発電装置
Armstrong's hydro-electric machine
Steam electricity.
Norris dam and reservoir
Hoover Dam, USA
Water intake tower for Hoover Dam in Lake Mead, USA
Electric powerhouse of Glen Canyon Dam, Arizona, USA
Construction of Eda dam, Cameroon
五十里ダム
開成町あじさい公園発電所
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
Oil refinery with pipework and chimneys
Oil refinery with pipework and sign
Canada Geese and Hydroelectric Power
黒部ダムの放水
Hydroelectric power turbine
Artificial lake, South America
Svanemolle Power Station, Denmark
Guatape, Antioquia Department, Colombia
Wooden penstock
Cruachan Power Station, Scotland, UK
利根川の治水と首都圏への利水を司る薗原ダム
Water pressure valve
Power station control panel
水と稲妻
Sloy hydro power station, Loch Lomond, UK
Solar cell research
Solar-powered street light
Solar power
Murray 1 power station, Australia
Glen Canyon Dam and Glen Canyon Bridge, Arizona, USA
Germany, Bavaria, Isar river, Zulling, hydro plant, aerial view
Germany, Bavaria, Landshut, Isar river, hydro plant Uppenborn, aerial view
四万川ダム
井川線の車窓から見る長島ダム
井川ダム全景
黒部ダム
Solar power plant, California, USA
Germany, Wangen, Eselsmuehle at city wall
Energy symbol drawn in sand on beach
天ケ瀬ダムの概要
品木ダム湖
塩川ダム
Germany, Hesse, Wiesbaden, cable railway, water-powered funicular railway
Lake Nasser, Egypt
Lord William Armstrong, British engineer
Hoover dam, USA
The Lawers hydro dam, UK
相模ダムから望む相模発電所と相模川
城山湖
奈川渡ダムと安曇発電所
宮城県 鳴子ダムのすだれ放流
三保ダム
新潟県 鹿瀬ダム
Hydrogen stove
Solar hydrogen tank
Solar water heaters
Domestic solar panel
Solar panels
Artwork next to reservoir, Iceland
Saint Marys Falls Hydropower Plant, USA
Cruachan Dam, Scotland, UK
Oil and gas refinery at night
Roosevelt Island power plant
New York power station
Pipes for a gas optimisation line in gas-fired power station
Theodore Roosevelt Dam at Theodore Roosevelt Lake, AZ
Fawley power station, UK
Hydroelectric dam in the Kariba Gorge
Avedore Power Station, Denmark
Geothermal power station pipeline
Pipework on oil refinery
Water turbine and generator, 1903
Stockport Hydro power station
Nuclear power station steam pipes
Rebuilding a weir
Micro hydroelectric scheme