Renewable Energy What Is Renewable Energy? Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves and geothermal heat. Renewable energy often provides energy in four important areas: electricity generation, air and water heating/cooling, transportation and rural (off-grid) energy services. …
Heat Pumps How Does a Heat Pump Work? Very basically a heat pump REPLACES your element in your geyser. A geyser element uses 3 or 4 kW of electricity per hour and a heat pump uses 1 kW per hour. So the heat pump will save you at least two thirds of your water heating …
LED Lighting About LED Lighting An LED lamp is a light-emitting diode (LED) product which is assembled into a lamp (or light bulb) for use in lighting fixtures. LED lamps have a lifespan and electrical efficiency which are several times longer than incandescent lamps, and significantly more efficient than most fluorescent lamps, with some chips …
PV Systems Photo Voltaic Systems PV Domestic Systems Grid-Tie Power Systems (220 / 380 Volt) DC power generated from the PV modules is converted from a fluctuating DC voltage to 220V grid connected power. Grid systems do not store energy and thus do not have backup. If grid failure occurs no power will be produced …
Solar Geysers The Different Solar Geyser Systems A solar water heating system harnesses radiation energy from the sun to heat water and stores this hot water for use when required. The dependence on sunshine means that a back-up electrical element is required for times when there is no sunshine – e.g. overcast weather or at …
Beat Escom – Beat Loadshedding How much will it cost to say “Goodbye Eskom” In South Africa there are a few certainties: corrupt politicians, roads full of potholes and of course load shedding. Eskom CEO Tshediso Matona said in December 2014 that load shedding was here to stay. 5 Years later and it is still …
Heat Pump Savings Heat Pump and Solar System Savings The popularity of renewable energy technology for water heating has sharply increased with the increasing awareness of sustainable living and the ever increasing cost of electricity. However, as with many products on the market, one can find considerably contradicting claims with regards to the different technologies …
Helderberg Solar Energy – A Humble Beginning Helderberg Solar Energy is proud to showcase our first Solar Water Heater system installations. A little 100L GAP Thermosiphon system was our first full Solar Geyser system installation. The flat roof stand was custom made by Helderberg Solar Energy. A humble beginning but one we are proud of. …
Solar Geyser or Heat Pump? What is the best option – a Solar Water Heater or a Heat Pump? With the price of electricity and the awareness to sustainable living sharply increasing, the popularity of renewable energy technology for heating water has also sharply increased. But, as with many products on the market, one can …
PV Electricity Generation – Kiss Your Eskom Bill Goodbye The Ins and outs of PV electricity generation, how it works, what it costs, how to finance it, and how to kiss your Eskom bill goodbye. Eskom’s tariff increases and inefficiencies have dire implications for your pocket. The announcement that Eskom wants South African homes and …
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