RENEW

ABLE

ENER

GIES

R I GA S J U

G L A S SE CO NDARY S

C HO O L

WHAT IS RENEWABLE ENERGY?• Renewable energies are energies that

are located in water, air and under the ground. These energies are infinite.

• Types of renewable energies: 1) Aero thermal energy;

2) Geothermal energy;

3) Hydrothermal energy;

GOVERNMENT LAW PROTOCOL• In Latvia there is a law protocol named:

«The Renewable Energy Law.»• It was reviewed in 15.02.2011.• The law aims is: To promote local

renewable energy economy needs a stable long-term regulatory investment environment for renewable energy.

AERO THERMAL ENERGY• Aero thermal energy is the heat that is

in the air.• Types of aero thermal energy: 1)wind

generators; 2) solar

energy.• In Latvia we have more than 33 wind

generators, that produce about 26 MW a year.

GROBIŅAS WIND PARK

GEOTHERMAL ENERGY• Geothermal energy is heat beneath

the surface of the land.• Geothermal energy is used to:1. Heat houses.2. Grow crops.3. Produce energy.• Geothermal pumps are used almost

in every country.

GEOTHERMAL PUMP

HYDROTHERMAL ENERGY• Hydrothermal energy is heat in the surface

waters.• Types of hydrothermal energy:1.Water turbines2.Wave energy converters• In Latvia we have a total of 161

hydroelectric stations.• The 3 biggest hydroelectric stations

produce 3039 GW per year.

RIGAS HYDROPOWER STATION

PĻAVIŅU HYDROPOWER STATION

OGRES HYDROPOWER STATION

UNTRADITIONAL WAYS TO RECYCLE

http://www.youtube.com/watch?v=6KeXMJvaprY

http://www.youtube.com/watch?v=XVURs3wxN2k

UNTRADITIONAL WAYS TO GET ENERGY• Compost heap: Use lime to get the pH neutral (acid pH 0-7,

neutral 7, base 7-14)• Mulch is made by chipping wood in special wood chippers.• Mulch almost always is made from trees that grow in special orchards.• You can use mulch: 1)As a fuel. 2)As manure. 3) To reduce the amount of water the

soil

MULCH

THANK YOU FOR ATTENTION!