The document discusses small hydroelectric power plants (HEPPs) in Latvia. It provides background on electricity sources in Latvia, noting that 70% comes from 3 large HEPPs. It then discusses the history of electricity in Latvia and small HEPPs. Currently, there are still some homes without electricity. The document proposes building a small HEPP near the village of Shpogi and analyzes potential locations, considering advantages like cheaper energy but also disadvantages like flooding areas. It concludes there are more advantages and that the neighbors will be asked if a HEPP is needed in Shpogi.
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2. Types of Electrical Power:
Thermoelectric
power station
Wind power
Hydroelectric power
station
Solar power
3. In Latvia 70% of all Electrical
Power is Made by 3 Big HEPPs
Rīga HEPP
Ķegums HEPP
Pļaviņas HEPP
4. HISTORY OF ELECTRICITYHISTORY OF ELECTRICITY
• The first time electrical phenomena was
described in Greece most probably in the
17th century.
• People who were related to electricity
history :
5. History of Electricity in LatviaHistory of Electricity in Latvia
In Latvia people started to use the electrical
energy in 1970. The first electricity companies
were found in 19.-20. century. 1939 – the
beginning of Latvian power system. In 1955
more power stations began to operate.
6. About electricity nowadaysAbout electricity nowadays
In Latvia there are still some estates where is
no electricity (in Latvia 0,1 % people do not have
electricity), because :
•some houses are located
far from inhabited centers;
• people do not have money
to pay for the electricity.
7. HEPPsHEPPs
HEPP is power station which uses water to
produce electricity. Hydroelectric power
stations produce about 7% of the world energy.
8. Small HEPPs in Latvia
Small hydropower stations began to develop
in 1950. From 1945 to 1960 were built 20
small rural HEPPs . In 1998 35 small
HEPPs operated in Latvia .
9. ADVANTAGESADVANTAGES
IT IS A RENEWABLE ENERGY
+ Hydroelectric produces much electricity;
+ Energy is rather cheep;
+ The pollution is minimal;
+Stations can operate for many years;
+ They are more economic for home owners than solar
power;
+ People will have workplace (decrease the rate of
unemployment);
+A HEP produces about 500 Kw per hour, but each family
consumes about 200 kw per month.
+ In this river is little fish, so the fish will not suffer as it
happens on larger rivers during the spawn (for example,
salmons)
10. DISADVANTAGESDISADVANTAGES
- HEPs will flood neighborhood, bigger
areas would be under water;
- Careless people can drown;
- The construction of dam is rather
expensive
23. MINUSES
5 bathing places would
flood.
Fish farm ponds would flood.
Swans and ducks would have to
search for new places for
living.
24. CONCLUSIONCONCLUSION
There are more advantages than
disadvantages. We asked our neighbors, if a
HEPP is necessary in Shpogy. Here are the
results:
25. We must work!
1. Assess all + and –
2. Enroll into RTU (Riga
Technical University) to
study energetic and
electronics
3. Make a business plan and
rise EU fund