Tag Archives | solar heaters

Cooling Your House Without Electricity

Long time readers may remember when I wrote about two different ways you could heat your home or garage without using electricity. There was the heater made from soda cans and an old window and these solar heaters that were installed on the sunny side of my house, both of which worked really well providing […]

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3 Ways to Generate Free Electricity at Home

Unless all your bills are paid for, you probably have experienced the effects of ever-inflating taxes, gas prices, and electricity costs. While I cannot help you reduce your taxes or cost of gas, I can provide you with three methods for generating your own free electricity here in San Diego. These will require some finesse, […]

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Eskom aims to have 925 000 Solar Water Heaters installed by 2013

Electricity utility Eskom said that it aimed at having 925 000 solar water heaters (SWH) installed by 2013, which would result in energy savings equivalent to about 578 MW. The power generator said that since the launch of its SWH rebate in 2008, some 6,4 GWh had been saved as a result of consumers opting […]

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Solar Sail, Enough Renewable Energy for Earth’s Population?

Scientists at Washington State University have proposed a renewable energy behemoth: A solar sail that traps solar wind deep in the atmosphere. The idea is essentially splicing traditional solar and wind renewable principles, only on a far, far larger scale. To put the sheer size of the sail in perspective, the sail proposed will be […]

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Four Solar Road Designs Unveiled by University of Rhode Island

There are 2.7 million miles of public roads in the United States, and in the past we’ve seen several innovative designs that transform these paved surfaces into energy and heat-generating solar roads. One company, Solar Roadways, has even come up with a prototype solar panel for roads, however they are expensive ($7,000 each) and it […]

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Solar fuel – the thermo-chemical approach

This is the thermo-chemical approach, in which solar energy is captured in the configuration of certain molecules, which can then release the energy on demand to produce usable heat. And unlike conventional solar-thermal systems, which require very effective insulation and even then gradually let the heat leak away, the heat-storing chemicals can remain stable for […]

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23 Year Old Invents Solar-Power Fridge Being Used In Africa

23 year old Emily Cummins has invented a solar-powered fridge currently being used in Africa. It uses zero electricity to keep the contents at 43 degrees. Isn’t it amazing what some people do?

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ESKOM and WRC enter into a strategic research partnership

Recognising the strategic link between sustainable water management and energy generation, the Water Research Commission (WRC) and Eskom have agreed to enter into a strategic research partnership through a Memorandum of Agreement and the formation of a Joint Research Committee. Through this partnership, Eskom and the WRC will jointly fund and undertake research on topics […]

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3 Emerging Green Technologies Leading to a Stronger Economy

What you need to know about solar power, electric cars and robotics. Elections come and go, yet the economy is still struggling. Campaign promises and the like are good sound bites, but is anyone really listening? One key to help our economy get back on track is new technology. In fact, as we move towards […]

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