| SOLAR ENERGY USE IN HOME DESIGN
| |
| | Africa as it has in other more
|
| 'The sun is a constant source of energy.
| |
| | technologically advanced and
|
| Everyday it provides us with 5000 times
| |
| | environmentally awarecountries.
|
| as much energy as the whole world needs.'
| |
| | Also, because the electricity has been so
|
| (Unknown)
| |
| | inexpensive in SA, the cost of paying off
|
| In the 1950s and '60s efficient energy
| |
| | a solar electricity system that provides
|
| use was often neglected in constructing
| |
| | the same amount (or sufficient amount) of
|
| buildings and houses, but the high energy
| |
| | electricity as a conventional system,
|
| prices of the 1970s changed that. Some
| |
| | will take an extremely long time to pay
|
| buildings built in the 80's use only
| |
| | off with the money saved without using
|
| about 20% of the energy used in buildings
| |
| | conventional electricity, and most home
|
| constructed just ten years earlier.
| |
| | owners in South Africa doesn't stay long
|
| Techniques to save energy include
| |
| | enough in one home to justify the cost
|
| designing and siting buildings to use
| |
| | saving.
|
| passive solar heat, avoiding
| |
| | Another factor is that the technology is
|
| overlighting, and using better
| |
| | becoming more advanced day by day, and
|
| insulation. A "life-cycle" approach,
| |
| | one might purchase a system today which
|
| which takes into account the total costs
| |
| | will reach the end of it's life before
|
| over the entire life of the building,
| |
| | the system has paid for itself with money
|
| rather than simply the initial
| |
| | saved from not using conventional
|
| construction cost or sales price, is
| |
| | electricity is over.
|
| encouraging greater efficiency.
| |
| | Sustainability & the environment
|
| SOLAR ENERGY IN SOUTH AFRICA
| |
| | Eskom might well be one of the cheapest
|
| Climate
| |
| | electricity providers in the world, but
|
| South Africa is one of the areas in the
| |
| | it is also a fact that eskom releases
|
| world with the highest count of sunny
| |
| | some of the most pollution in the
|
| days per year in the world therefore
| |
| | atmosphere by burning coal to generate
|
| making it also one of the most
| |
| | electricity. Although air pollution
|
| appropriate places in the world to use
| |
| | doesn't seem to be that big a problem
|
| solar power energy should that be the
| |
| | here than in other countries where acid
|
| only reason for using them.
| |
| | rain etc. is huge concerns for the
|
| A photovoltaic sell uses the sun's light
| |
| | community, it would be wise to sooner
|
| to create an electric current and not the
| |
| | rather than later start to concentrate on
|
| heat of the sun as is commonly thought. A
| |
| | the environment in South Africa and that
|
| photovoltaic sell actually decreases in
| |
| | is when solar power could start playing a
|
| efficiency when the sell is heated
| |
| | big role as an energy provider.
|
| extremely because of the resistance
| |
| | Appropriate for us?
|
| building up in the material. Because of
| |
| | Solar panels can be used very effectively
|
| the above fact, one can see that these
| |
| | and appropriately in the remote areas
|
| photovoltaic panels is actually less
| |
| | around the country because the cost of
|
| efficient in very warm climates. South
| |
| | connecting to the conventional power grid
|
| Africa, in summertime, can be extremely
| |
| | by laying cables might be even more
|
| hot and could cause a photovoltaic panel
| |
| | expensive and once a solar PV system is
|
| on certain summer days to work less
| |
| | installed one does not need any tools or
|
| efficient although not as significantly
| |
| | technicians to maintain a PV panel
|
| as 25% less efficient as it is said can
| |
| | regularly.
|
| be lost in desert-type climates.
| |
| | There are a number of places in our
|
| Cost efficiency & economy
| |
| | environment where solar power could be
|
| Eskom South Africa provides our country
| |
| | (and are already) used very effectively
|
| with some of the cheapest conventional
| |
| | for example water pumps to dams in nature
|
| unsustainable electricity costs in the
| |
| | reserves. PV panels have also been used
|
| world, and that is the main reason for
| |
| | to power electric fencing in game
|
| solar energy technology not taking off in
| |
| | reserves very successfully for
|
| South Africa. Although a number of solar
| |
| | interruptions in electricity is
|
| thermal panels is in operation, even in
| |
| | eliminated and big mammals like elephants
|
| residential buildings in the country,
| |
| | has no chance of breaking through a fence
|
| photovoltaic panels was up to date just
| |
| | as could be the case in an normal power
|
| not cost effective enough to justify the
| |
| | interruption.
|
| money saved using conventional
| |
| | In conclusion, the use of solar power in
|
| electricity for manufacturers making them
| |
| | South Africa isn't that far fetched when
|
| available on a large scale. Because of
| |
| | one look at the very appropriate weather
|
| the uncommonness and unavailability of
| |
| | conditions and the need to look at a more
|
| these panels the prices of theses panels
| |
| | sustainable and renewable energy source
|
| has not significantly decreased in South
| |
| | for the future.
|
