Solar Mono

Solar PhotoVoltaic

Solar Photovoltaic

Today's photovoltaics have come a long way since the solar-energy heyday of the late 1970s and early '80s. Creating electricity from sunlight, photovoltaic panels can be big and strong enough not only to provide a household's power but also to return excess electricity to the power grid for others to use. Fine Homebuilding contributing editor Scott Gibson takes a look at the current state of photovoltaic energy, including system costs and efficiency.

The electric meter spins backwards on sunny days, and spins very slowly at night. The roof has plants on it -- by design. This award-winning house (2005 National Association of Home Builders Green Custom House Award) is green, and built to stay that way. Photovoltaic panels on the roof produce as much electricity as the house consumes on a yearly basis. Solar Thermal panels heat all of the water and also provide heating. In addition to the energy-efficient, green, and healthy-home details, the house features amazing craftsmanship inside and out.

Now in its seventh year and with more than 20 homes on the tour, the Build It Green! Homes Tour + Info Fair held in Portland, Ore., draws an eager crowd. FineHomebuilding.com attended this year's event, gathered practical information on green-building and design strategies as well as techniques, and captured footage of two notable, feature-packed green homes in northeast Portland. Among the homes' features you'll find extensive use of environmentally friendly products, advanced water-conservation systems, and highly efficient HVAC systems.

There is no such thing as the perfect green home. Every house is unique. Each is built in a specific climate where there are varying amounts of sunshine; winds blow from a different direction by season and each site affords different views. Local building products are available or not, there will be small children in the home, or not. And so forth. There is no single green building solution that meets all possible conditions.

The best way to start is to take on some aspect of green building and get really good at it. Don’t try to do everything at once. Take on energy conservation and increased R-values in walls and roofs. Get a blower door test done on one of your homes. Try changing the paints and finishes you have always used. Test materials in your garage or on Your Own home. See what works best for you and your trade contractors. Identify the resistance points in your company or with your trades. Education is the top priority any time you are making changes in your business. Let them know why you are making the changes.

At the same time, there are certain inevitabilities that will affect all of us. Climate change will bring about increasingly weird weather. Floods and droughts will be more frequent, occur in strange places, and last longer. Hurricanes will become more intense as the oceans warm. More frequent and unusual tornados will strike unexpected places. The weather is unpredictable even when it is normal. Build to withstand the harshest weather conditions you can imagine for your region.

We will reach “peak oil” during the life span of homes built today. What than means is that all forms of energy will become increasingly expensive and with little forewarning by the powers that be. Natural gas is in greater demand just as it is starting to decline from existing wells in the U.S. How much will heating and cooling our homes cost in 5 years, 10, or 20? All we know is a lot more that it does today.

Fresh water will be one of the things that is most radically affected by climate change. When it rains and where will shift all over the globe. Snow pack in mountain areas that provide the water for agriculture in the summer may be hardest hit. Less snow pack means less irrigation water, which affects food prices. Since globalization is so entrenched, particularly when it comes to food, when climates are impacted in Chile food prices go up in the U.S. Grains are particularly vulnerable to fluctuating water availability. China’s grain is irrigated with fossil water that is predicted to go away in as little as two years. Their demand for wheat will affect U.S. wheat prices. The price of corn is already rising as it is diverted away from food to produce ethanol.

We are not growing old trees anymore. The ones that are still standing are the ones that anchor the forest ecologies of the world. At the current rate of deforestation and clear-cutting, our forests are destined for agriculture, even if that means replanting with mono-cultures of Douglas fir or eucalyptus. Our voracious appetite for wood, paper, and other forest products makes for a dire future for the planet’s forests (the lungs of the planet—our primary defense against climate change) and all the wildlife that lives within their protective canopies. If we don’t reverse this trend soon many of the plants and animals we take so for granted will only be seen in zoos and arboretums.

Time for change is now

This story can go on and on. We are at a critical juncture in the history of humans on earth. With 40% of the world’s resources going into buildings, 66% of the electricity generated used for heating, cooling, and lighting buildings, the demand for new coal-burning power plants grows ever stronger. China is planning to build one coal-burning power plant a week for the next 20 years. There are 154 new coal-fired plants on the drawing boards in the U.S. in 42 states. There are currently about 600 coal plants in the U.S. that according to the Union of Concerned Scientists burn 1.4 million tons of coal each every year.

It’s time to start planning, designing, and building homes that reduce the need for new coal-fired plants and help us prepared for the inevitability of more expensive power. Homes that produce as much energy as they consume and allow their owners to collect and store rainwater are things that we can do now.
About the Author

http://www.SuccessSolarGroup.org

Johnny Solar

Born in Chicago, IL

Solar solution developer

Energy Corporation Association

Affiliated Green Earth Guide

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Solar Dragonfly Garden Lights

Solar String Lights For Christmas And A Happy New Year

Solar string lights are an excellent option when it comes to outdoor decorative lighting for the holidays or special events or parties. The traditional decorative lighting, especially Christmas lights, use substantial amount of electricity. Solar Lights, on the other hand, are affordable and are more Eco-friendly. You can use these lights to light up your garden and Christmas tree at minimal to no running costs. So if you want to illuminate your house or its surroundings with a lot of lights but don't want to spend a lot of money on the Electricity Bill, or live in a place where electricity is not available or wiring is difficult to run, solar string lights are ideal. Installation of solar string lights is easy and safe. Moreover, running power lines from your house need not be of concern to you. This makes it possible for you to light up places you never could before. To be able to properly use the solar lights, you need to have a basic knowledge of how they work. Basically, during the day, the lights collect energy from the sun which charges the rechargeable batteries. It is therefore important that you ensure that the Solar Panel is well exposed to light in daytime or else the batteries will not be able to charge properly and you will lose the spectacularity of your light display. The lights, on a full charge, will last for a period of up to eight hours Led Emitting Diodes (LED) is what enables the use of Solar Power for outdoor Christmas or new year lighting. These are tiny bulbs that consume only a fraction of the energy that traditional electric lights use. LED's are also long-lasting and very reliable. The solar string lights usually come with a photocell that serves to automate the operation all day and night. The solar string lights are available in a variety of styles and colors to suit the mood you wish to create. For example white lights help you create an effect that is subtle yet dramatic. Coloured lights, on the other hand, will allow you to control the mood or even create a festive setting with blinking multicolored solar string Led Lights. The possibilities are endless and depend on your creativity. Light covers are also available in a variety of motifs and designs to Make Your display even more interesting. Shapes like snowflakes, stars, flowers, snowmen, dragonflies, and many others are available to showcase your personality and taste. With a little creativity, you can use the string lights to create icicles, stars, wreaths and much more. You can also use them to decorate and brighten your path, patio or deck. Solar Rope Lights also offer another choice for outdoor decorative lighting. This year make sure to buy solar string lights to brighten up your Christmas and new year. The lights will prove to be a marvelous new addition to your home as they are fantastic looking, easy to use, environmentally friendly and offer an abundance of joy to your loved ones and all around you.

About the Author

For more information, please visit to Solar String Lights. He has partnership with Pool Plastering.

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