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Transcript of Solar CSP
-Based in Spain
-Owns Europe's first commerical power plant
-Multiple projects in Spain
-Plans on building world's largest solar plant in Arizona Solar power equipment company
Based in Arizona
Mission: "to build the most affordable, modular and scalable solar solution in the industry"
launched world's first first operational SunCatcher power plant in early 2010
Has solar power projects in California, Texas, and Arizona Concentrated Solar Power
(CSP) Emily Ko
Mary Sader The End Bibliography http://www.renewableenergyfocus.com/view/3188/can-csp-and-wind-coexist/ http://www.idealsolarhome.com/pros-cons-of-solar-energy/ -Renewable energy company
-Based in Germany
-Builds solar thermal power plants
-Has future solar thermal projects in Spain, U.S., China, and North Africa -Founded in 2007 by Idealab
-Focuses mainly on developing CSP Technology
-Projects: Sierra SunTower in SoCal Mission:
"to make solar energy cost competitive with
fossil fuels by developing, building, owning and
operating the world’s most
and reliable large-scale solar energy project" -Based in Oakland, California
-Has operations in the U.S, Israel, and Australia
-Currently developing solar power projects in
-Ivanpah and Negev Focused Sunlight Uses mirrors to concentrate sun's energy Converts light into high-temperature heat Heat channeled through conventional generator CSP Plants consist of:
1) collecting solar energy and converting to heat
2) converting heat energy to electricity Trough Systems U-shaped (parabolic) reflectors (mirrors) track the sun fluid-filled pipes running along the focal point of the mirrors fluid heated to as much as 750°F hot fluid used to boil water makes steam to run conventional steam turbines and generators Advantages:
- heat recycled over and over
- steam is cooled, condensed, recycled again and again
- heat fluid can be stored and used later to keep making electricity when sun isn't shining Fresnel Lens Same as parabolic trough but linear (flat) mirrors Cheaper than parabolic mirrors more reflectors can be placed in same amount of space more available sunlight used Power Tower System Flat heliostats (mirrors) focus sun rays onto receiver Receiver is on top of tall tower Heats fluid up to
1,050°F Hot fluid used to make steam for electricity generation or store for later use fluid: oil or molten salt which retains heat efficiently, so energy can be stored for days before being converted into electricity Dish/engine systems mirrored dishes focus sunlight onto receiver receiver is mounted on focal point of dish dish assembly tracks sun across the sky during day receiver is integrated into high-efficiency "external" combustion engine engine has thin tubes containing hydrogen or helium gas that run along the outside of four piston cylinders sunlight falls on receiver, heats gas in the tubes to very high temperatures hot gas expands inside cylinders, which drives the pistons to turn a crankshaft, driving the electric generator receiver, engine, and generator are all mounted in a single assembly at the focus of mirrored dish A single CSP plant can generate 250 MW
(power for about 90,000 homes) http://solareis.anl.gov/guide/solar/csp/index.cfm http://www1.eere.energy.gov/multimedia/video_csp.html