Tag Archive for solar energy

When is Solar Worth It?

two rows of solar panels cover one side of our home's roof

With Australia’s clean energy investment at an all time high and solar costs continuing to fall, is now a good time to get solar for your roof? Here’s a guest post from PowerScout to help you assess your options. Most solar sales pitches extol the virtues of solar power and promise thousands of dollars in…

How to Make a Homemade Solar Oven, out of Cardboard!

Bread baking in a carboard box solar oven, seen from above.

The sun has poured its energy onto the earth for billions of years. The radiating warmth from the sun heats water, warms homes, and grows food. Amidst sweltering summer heat, a solar oven or cooker is a fantastic way to prepare a meal without heating up your home. There are myriad solar ovens available for…

How Graphene Just Got Greener

Graphene and Its Fascinating Attributes; Editors: Swapan K. Pati, Toshiaki Enoki, C. N. R. Rao

A lot of attention has been given to the graphene in recent months. The product of an experiment in a Manchester University laboratory only eight years ago, graphene has quickly risen to be the star of material science. Stronger than any known substance, light and flexible, superconducting, and photoelectric graphene is a material with green…

Three Reasons Solar Systems Are Worth the Cost in the US

Pile of solar panels ready to be installed on a roof

Many homeowners in the US are interested in solar power systems for their homes but are unsure if they are worth the upfront investment. The rising cost of electricity has sent a lot of people looking for alternative solutions, and solar energy is usually among the top alternatives that are considered. One problem people have…

China the world leader in renewables; wind most mature renewable energy: UN report

Wind turbines expanding along a ridge in Galicia, Spain

In 2010 China was the world leader in investment in renewable energy technology according to the UN’s Global Trends in Renewable Energy Investment 2011. Globally investment was up almost one third in 2010 over 2009, at a record US$211 billion, and for the first time developing economies put more into “financial new investment” than developed ones. Global increase…

Eighty Percent Global Energy Supply Could Be Renewables: UN

A new UN report shows that nearly 80% of our global energy needs could be supplied by renewablesby 2050  if backed by the necessary government policies. The report, released by the Intergovernmental Panel on Climate Change (IPCC) on May 9, reviewed six renewable energy technologies: bioenergy, solar, power, geothermal power, hydropower, ocean energy, and wind…

Solar Protest Action in Australia

Members of the solar sector in Australia have pronounced the 2011 Federal Budget, released last week, as “disappointing”. But Australian’s aren’t taking disappointment lying down. The Solar Last Chance Rally today is a response to the NSW Government permanently closing down their Solar Bonus Scheme (notably started by the previous government), and announcing last Friday…

Solar Power Boosts Home Values

A recent study in California found that having a rooftop solar power system installed significantly increased the value of homes. No surprise right? But the interesting thing was that the sale value of the homes with solar power increased by about the cost of installing the system – even though the original home owner had…

Using DIY Solar Panels: Advantages and Disadvantages

Grape Solar GS-440-KIT Residential 440 Watt Grid-Tied Solar Power System Kit

Apart from the conscious effort to reduce our carbon footprint, one major factor that has convinced a lot of homeowners to install “do it yourself solar panels” is the rising cost of electricity bills. But before we go into the advantages and disadvantages of making your own solar panels (or using DIY kits), we have…

Guest Editorial: Focus On Solar Energy

With all the talk of conventional energy being on the way out and the world needing to find sustainable alternatives, let’s focus on solar energy. Solar energy is basically gathering the energy found in sunlight and turning it into electrical energy. It is a cheap and effective way of generating power which does not produce…

Twelve Easy Ways to Save Money on Electricity

Save money on electricity, Easy ways to make a diffeence that you may not know of | SustainableSuburbia.net

Of course you can save money on electricity by going solar. But increasingly people are realising that you don’t always need to spend money to be green. In fact, what better way to be green than by consuming less? And even if you are looking to install solar panels on your roof soon, the less…

Installing Residential Solar Power Systems

two rows of solar panels cover one side of our home's roof

(This article updated in May 2012) It is is becoming more and more cost effective to install solar power in homes, around the world. This is not only because of the reduction in costs associated with building a rooftop solar power system (costs of PV solar panels dropped by around 50% in 2011 alone), but…