RENEWABLE

ENERGY

SOLAR ENERGY

Can be used to:-Heat water-Heat spaces-Run electricity (electronics,

appliances)

Works from PHOTOVOLTAIC devices (PV)

P R O S

No pollution or CO2 emissions

When on buildings, they have minimal impact on the environment

Renewable

Saves $

Low maintenance

C O N S

Sunlight not always constant (weather, location)

Requires a large surface to collect sun energy to power a building

Installation is expensive

HYDROGEN

ENERGY

HYDROGEN ENERGY

-Can be made from stored Hydrogen (not common)

-Can also come from fossil fuels, hydrocarbons, biomass, and water, sunlight, wind, and nuclear sources.

Fuel Cells

http://www.hydrogen.energy.gov/production.html

http://www.autospectator.com/cars/models/2011-honda-fcx-clarity-official-photos-features-specs-pricing

HYDROGEN ENERGY

P R O S

-no pollution

-no moving parts

-operates at higher efficiencies than normal fuels

C O N S

-More expensive

-cars not built to hold fuel cells

-may still require fossil fuels

-H2 is hard to store or transport

-few refilling stations

WIN

D ENERGY

WIN

D T

URBINES

http://inhabitat.com/bahrain-world-trade-center-turbines-activate/

WIND ENERGY

P R O S

-sustainable

-Non-polluting

-continual

-low maintenance cost

-proven effective

C O N S

-unreliable and depends on wind patterns, temp, time of year

-equipment is expensive

-initial expense is high

HYDROELECTRIC ENERGY

P R O S

-sustainable

-Non-polluting

-controls flooding

-recreational opportunities

-low expenses after initial cost

-lasts longer

C O N S

-changes to river ecosystem

-lowers water quality, pollutants back up in lake

-effects fish migration

-long construction process

Click icon to add pictureGEOTHERMAL

ENERGY

WHAT IS IT?

It’s heat energy from the earth

http://www.eere.energy.gov/topics/geothermal.html

HTTP://WWW.GENI.ORG/GLOBALENERGY/LIBRARY/RENEWABLE-ENERGY-RESOURCES/GEOTHERMAL.SHTML

GEOTHERMAL ENERGYP R O S

-sustainable

-mostly non polluting

-energy can be produced non-stop

-minimal expenses AFTER initial costs

-minimal impact on stations that collect the energy

C O N S

-limited locations

-constantly replenishing water

-could contaminate groundwater

-CO2 and H2S could possibly be released

-pricey installation

Click icon to add picture

BIOMASS F

UELS

BIOMASS FUELS

http://www.nrel.gov/gis/biomass.html

BIOMASS FUELS

P R O S

-reduces/equals out greenhouse gases (CO2)

-gives an alternate to fossil fuels

-almost everywhere

-reduces waste products

C O N S

-uses food crops

-increases price of food and livestock

-takes more energy to produce then it makes

-expensive