Solar Water Heating Systems Imported from Germany
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06/11/2009
Households must prepare for electricity hikes
Households will face a massive increase of their electricity bill over the next years...
10/09/2009
Eskom warns of high tariffs
Eskom warns of high tariff hikes for years
25/08/2009
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Any system that combines water under pressure with heat energy can be potentially dangerous when not handled with care...
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Savings with solar water heating
Does it really make sense to switch to solar? Water heating counts for 40% to 60% of the monthly electricity bill. Accumulated cost savings with solar water heating are between 32,000 Rand and 47,000 Rand after only 5 years provided that electricity price increase is only 25%/year. Bearing in mind that the lifespan of our solar systems is 25+ years you will enjoy free hot water from the sun for more than 20 years.
For more details, please view this table:
Estimated electricity cost saving by using solar water heating (assuming 40% of electricity bill counts for water heating - electricity price increase 25% each year)
Current electricity bill R 800/month = R 9,600/year
| Year | Total electricity bill Rand | Savings with solar (40%) Rand |
|
| 2009 | 9,600.00 | 3,840.00 | 3,840.00 |
| 2010 | 12,000.00 | 4,800.00 | 8,640.00 |
| 2011 | 15,000.00 | 6,000.00 | 14,640.00 |
| 2012 | 19,500.00 | 7,800.00 | 22,440.00 |
| 2013 | 24,400.00 | 9,760.00 | 32,200.00 |
| 2014 | 30,500.00 | 12,200.00 | 44,400.00 |
| 2015 | 38,000.00 | 15,200.00 | 59,600.00 |
Accumulated savings after 5 years: 32,200.00 Rand!
Current electricity bill 1000Rand/month = 12,000.00Rand/year
| Year | Total electricity bill Rand | Savings with solar (40%) Rand |
|
| 2009 | 12,000.00 | 4,800.00 | 4,800.00 |
| 2010 | 15,000.00 | 6,000.00 | 10,800.00 |
| 2011 | 18,750.00 | 7,500.00 | 18,300.00 |
| 2012 | 23,440.00 | 9,380.00 | 27,680.00 |
| 2013 | 29,300.00 | 11,720.00 | 39,400.00 |
| 2014 | 36,600.00 | 14,640.00 | 54,040.00 |
| 2015 | 45,750.00 | 18,300.00 | 72,340.00 |
Accumulated savings after 5 years: 39,400.00 Rand!
Current electricity bill 1200Rand/month = 14,400Rand/year
| Year | Total electricity bill Rand | Savings with solar (40%) Rand |
|
| 2009 | 14,400.00 | 5,760.00 | 5,760.00 |
| 2010 | 18,000.00 | 7,200.00 | 12,960.00 |
| 2011 | 22,500.00 | 9,000.00 | 21,960.00 |
| 2012 | 28,100.00 | 11,240.00 | 33,200.00 |
| 2013 | 35,100.00 | 14,040.00 | 47,240.00 |
| 2014 | 43,900.00 | 17,560.00 | 64,800.00 |
| 2015 | 54,900.00 | 21,960.00 | 86,760.00 |
Accumulated savings after 5 years: 47,240.00 Rand!
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info@solarspace.co.za
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