Hydrogen energy plant in Denmark
Encyclopedia
Denmark
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

's first full-scale wind-Hydrogen energy plant and testing facility, the Lolland Hydrogen Community, began operation in May 2007. It is also the European Union's first full-scale Hydrogen Community Demonstration facility for residential Fuel Cell
Fuel cell
A fuel cell is a device that converts the chemical energy from a fuel into electricity through a chemical reaction with oxygen or another oxidizing agent. Hydrogen is the most common fuel, but hydrocarbons such as natural gas and alcohols like methanol are sometimes used...

 Combined Heat and Power
Combined Heat and Power
Combined Heat and Power may refer to:* Cogeneration* Combined Heat and Power Solar...

 (CHP).

Located in the city of Nakskov
Nakskov
Nakskov is a town in south Denmark. It is in Lolland municipality in Region Sjælland on the western coast of the island of Lolland. The town has a population of 13,560 . To the west is Nakskov Fjord, an inlet from the Langeland Belt that runs between the islands of Lolland and Langeland...

 on the island of Lolland
Lolland
Lolland is the fourth largest island of Denmark, with an area of 1,243 square kilometers . Located in the Baltic sea, it is part of Region Sjælland...

, where wind power
Wind power
Wind power is the conversion of wind energy into a useful form of energy, such as using wind turbines to make electricity, windmills for mechanical power, windpumps for water pumping or drainage, or sails to propel ships....

 is abundant, the hydrogen energy plant has received funding from the Danish Energy Authority, and is a joint partnership between the Municipality of Lolland, IRD Fuel Cells, and Baltic Sea Solutions. The island is producing 50% more energy from renewable energy
Renewable energy
Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable . About 16% of global final energy consumption comes from renewables, with 10% coming from traditional biomass, which is mainly used for heating, and 3.4% from...

 sources than it consumes
EROEI
In physics, energy economics and ecological energetics, energy returned on energy invested ; or energy return on investment , is the ratio of the amount of usable energy acquired from a particular energy resource to the amount of energy expended to obtain that energy resource...

, and the hydrogen project is seeking to locally store excess wind power in the form of hydrogen
Hydrogen
Hydrogen is the chemical element with atomic number 1. It is represented by the symbol H. With an average atomic weight of , hydrogen is the lightest and most abundant chemical element, constituting roughly 75% of the Universe's chemical elemental mass. Stars in the main sequence are mainly...

 for use in residential and industrial facilities.

Hydrogen is produced by using excess wind power to electrolyze water to produce hydrogen and oxygen. The oxygen is used in the municipal water treatment plant nearby to speed up the biological process. The hydrogen is stored in low-pressure storage tanks at six bars
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 and fuels two PEM Fuel Cell Micro Combined Heat and Power (CHP) stations of 2 kilowatts (kW) and 6.5 kW, respectively.

See also

  • Hydrogen economy
    Hydrogen economy
    The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors Technical Center....

  • Renewable energy in Iceland
    Renewable energy in Iceland
    About 81 percent of total primary energy supply in Iceland is derived from domestically produced renewable energy sources. In 2007, geothermal energy provided about 66 percent of primary energy, the share of hydropower was 15 percent, and fossil fuels 19 percent...

  • Wind-hydrogen hybrid power system
  • Wind power in Denmark
    Wind power in Denmark
    Wind power provided 18.9% of electricity production and 24.1% of generation capacity in Denmark in 2008, Denmark was a pioneer in developing commercial wind power during the 1970s, and today almost half of the wind turbines around the world are produced by Danish manufacturers such as Vestas and...

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