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Clean Energy Options

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by

Yeiner Hernández Venegas

on 16 May 2014

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Transcript of Clean Energy Options

Hydropower
Biomass
Geothermal energy
Self-Sustainable Homes
Wind power
Conclusions
Solar Energy
Clean Energy
Options

Soap Water Treatment

Solar Panels

Photovoltaic System (PV System)

Conventional Water Heater

Solar Heater

Turbine
Biodigester

Rain Collector

Heat Extractor

Solar Coocker

Renewable energy
How electrical energy is produced?
Pirris Hydroelectric plant
Chachi dam
Tapanti
Ricón de la Vieja Volcano
Pailas Geothermal Power Plant
Piping round Dry Forest
Miravalles Solar Park
Valle Central Wind farm
CoopeSantos Wind farm
There are three activities with respect to the electrical supply:
Generation
Transport
Distribution

Wind Turbine
Advantages

a. Wind power is clean, renewable, non-polluting and free.
b. The wind is stronger dry season, this supports the production of hydroelectric power.
c. Turbines can reduce emissions of carbon dioxide
d. Wind energy’s average “payback time” is three to five months.

Disadvantages

a. Wind intermittency generates instability in electricity production
b. Noise
c. Visual Impact
d. Birds and bat die, when they fly into the rotors of the turbines.

Advantages

a. When biomass is used as a fuel, it reduces the need for fossil fuels
b. Biomass fuel is one of the most abundant resources in the world
c. Reduce landfill size and waste.
d. This natural substance can be easily converted into energy fuels like alcohols or methane gas.
e. The costs are low.

Disadvantages

a. Greenhouse gases are produced by the burning of these fuels
b. It can also be expensive to collect, harvest and store raw materials.
c. There are a number of communities where wood smoke can increase pollution to levels that cause significant health concerns.


Advantages

a. Geothermal power is that it is continuously generated, and not dependent on weather conditions.
b. Geothermal energy is non-polluting
c. Geothermal energy is entirely dependent on heat, which is produced within the Earth continuously.
d. Geothermal power plants work for 24 hours a day and 365 days a year.
e. Geothermal power plants have a low operational cost.

Disadvantages

a. The majority of exploitation zones of geothermal energy are within national parks. Costa Rica has a law that prohibits the extraction of resources from national parks.
b. The initial cost of setting up a geothermal plant can be enormous, transporting materials to remote areas.
c. There is no guarantee that the site being drilled will facilitate access to steam, or hot water forever.
d. Geothermal plants have been long associated with low-magnitude earthquakes, by the process of injecting high-pressure streams in the Earth's crust.

Advantages

a. There is no cost associated with the purchase of fuel.
b. Electricity can be generated constantly, unlike other sources such as solar and wind, which can be unreliable.
c. Hydroelectric power stations can reach maximum power faster than other sources of renewable energy.
d. Water can be stored in reservoirs for times when energy production needs to be increased.

Disadvantages

a. Hydroelectric power is weather-dependent, and during the driest months water reserves are low.
b. Dams and other installations are expensive to build.
c. There are not many suitable locations to build hydroelectric installations.
d. In the event of a dam failure, it will cause significant damage to property and lives downstream.

Advantages

a. Solar energy is clean and there is a lot of it in sunny places.
b. It would be cheaper to install solar panels than to extend the electrical grid.
c. Solar water heaters don't pollute

Disadvantages

a. The cost to implement solar water heater, you can expect a simple payback of 4 to 8 years.
b. It can be costly to implement a photovoltaic system for heating a home due to competition with utilities.
c. When the weather is bad, there is no sunlight for energy.
d. The electricity produced is too low to use on a large scale, is sufficient to homes, but very little to industries.
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