Browsing Tag Power Of The Sun

• Solar shed light adds light to any outdoor space
• Perfect for sheds, gazebos, garages, barns and greenhouses
• Easy to install and requires no wiring
• Includes a solar panel, rechargeable batteries, 8-watt fluorescent bulb, and mounting kit
• Waterproof design mounts almost anywhere and even works on cloudy days

Product Description
The Sunforce Solar Shed Light adds light to any outdoor space using the power of the sun. Ideal for sheds, gazebos, barns, garages, greenhouses, and much more! No wiring required! This is completely maintenance free and easy to install. Mounting kit includes screws and adhesive tape. The solar shed light is small and compact. The 81096 has a weather resistant design and the amorphous solar panels works in all daylight conditions – even on cloudy days! Comes equipped… More >>

Sunforce 81096 Solar Shed Light

Energy is not just the monthly bill you have to pay each month; it is the foundation of everything you do and the life to everything you have. But with the increasing cost of energy, it cannot be denied that we need to take important measures to limit our energy consumption. Saving energy becomes a must and a habit that everyone should seriously adapt.

Heating and Cooling.

Almost half of your electric bill goes for your heating and cooling systems so if you really want to maximize your savings here are the following things you can do:

Clean your air filters at least once a month.

Clean baseboard heaters, radiators, and warm-air registers as often as necessary; make sure that they are working properly; and that they are not blocked by drapes, carpeting, and furniture.

Set the thermostat as high as is comfortable when it is hot or as low as is comfortable when it is cold.

Turn off exhaust fans (kitchen, bath, others) 20 minutes after cooking or bathing. Keeping them on for a long time affects the temperature of the room.

Lighting and Appliances

As much as possible, use natural lights – working near the windows will prevent you from turning on the light and consuming energy. Utilize the power of the sun.

Switch off the lights every time you leave the room even if it is just of a minute.

If you are using the 4-foot fluorescent lights, install reflective backings to maximize the light.

Switch to compact fluorescent lights. There are 4-watt minifluorescent lights and 40-watt fluorescent lights have the same illuminating effect.

Turn off all lights and appliances when not in use. Unplug unnecessary appliances like microwaves, television, stereos, computers, and VCRs if you are not using them. Also, unplug chargers and devices with bloc-shaped transformer on the plug. All of them consume energy when plugged in. Do not leave them on “stand-by” mode.

Look of Energy Star label when purchasing lighting product.

Use task lighting instead of lights that cover the entire room. For example, use lamp shades when reading and not the lights for your room.

Laundry

Washing your clothes cold will reduce washer’s energy consumption by as much as 90%. Air drying eliminates the energy use for machine drying.

Always do full loads whenever possible. If you are washing a small load, use appropriate water level and wash setting.

Refrigerator

Maintain a right temperature for your freezer and refrigerator.

Do not hold the refrigerator or freezer open. The energy consumption increases if the motor works endlessly just to maintain the temperature of the refrigerator and freezer.

Check for leaks and cracks in the gasket. Make sure that your refrigerator is completely sealed to maintain the temperature inside.

Insulation

Heat loss happens when your house is not properly sealed. Use sealants or weather-stripping on windows.

Make sure that air cannot escape or enter in to the pipes, doors, walls, floors and ceilings. A properly insulated home saves as much as 10% in electric bill.

In a typical household monthly electric bill, 44% goes to the heating and cooling systems; 33% goes to lighting and other appliances; 14% goes to heating the water; and 9% goes to the refrigerator. Take note of this power distribution to know where exactly you can maximize your saving.

As the world reaches its energy crisis we need to reduce our dependence on non-renewable energy sources, and start generating renewable energy on a massive scale.

To date there are four main types of renewable energy that we can produce: wind power, solar power, hydro power, and geothermic power.

Wind Power: Wind turbines have been around for millennia, further back than the birth of Christ. Over the years they have been used to pump water, drag boats and grind flour. But at the turn of the industrial revolution, wind turbines were made to produce electricity.

Although many people envision windmills as those ornate ones in Holland or the small wind-pumps on farms, they have been developed tremendously in the past decade. Now wind turbines are able to generate thousands of megawatts of power, and when used on a small scale at home, wind power can substitute conventional energy sources, helping households to get off the grid.

Solar Power: The sun is the most readily available form of energy there is, so we should be using it to a larger extent. And as technology advances, households are provided with a number of ways to harness the power of the sun. These ways include solar electricity, solar heaters, solar dryers and solar cookers.

With solar electric and heating systems, they are both cost-effective, good for the environment, they require little maintenance and help you save on your utility bills. Solar cookers are very healthy way of cooking food, since they cook the food at a lower temperature-helping to retain its vitamins and minerals. They are also very portable, making them ideal for travelers and campers.

Hydro Power: Initially hydro or water power was used industrially to rivers and waterfalls to power waterwheels that would then be used to move water for irrigation or grind flour.

Today hydro power is used in dams to produce electricity for households and businesses. Hydro-electric power is generate on a large scale where dammed up water is channeled through turbines, which spins a dynamo as it gushes through. The best example of hydro-electric power would be the Hoover Dam, which was built to provide electricity to Las Vegas. In fact hydro-electric power is efficient is popular nowadays that it accounts for over 90% of the worlds renewable energy.

There have been some social and environmental concerns about building dams for hydroelectricity since entire village and communities are flooded by the dam, and the walls prevent certain species of fish from swimming upstream to spawn.

Geothermal Power: Geothermal power is typically produced in areas with ongoing volcanic activity, where magma is relatively close to the surface. One such area is Iceland, where a large proportion of its power is produced from volcanic geysers.

Here, large power plants are built over the geysers, where hot fast-moving steam from the geysers drives large turbines to make electricity. To speed up the process, water is sometimes pumped back into the geysers to make more steam, which is then used to drive the turbines once again, thus making it an endless cycle.

Well, this concludes our brief overview of the 4 main types of renewable energy. You can find out more in-depth information on each type by reading our other articles or browsing our website in the link below.

Solar energy is free but the tools that will enable you to harness this free energy are not.

If you are planning to install a solar energy system right at your home and would like to know how much it would cost, there are 3 things you need to consider:

First, the cost depends on how much energy your household requires. More energy you require means more solar panels and higher cost of installation. The good thing is, the technology to harness the power of the sun is relatively cheaper than it was several years ago.

Second, the government is offering a rebate to those who will switch to alternative form of energy. That means, the government will shoulder a portion of the total cost of the system.

Third, you can get tax credits when you switch to solar energy system. The amount of tax rebate depends from state to state but the range can go from $1000 to $2000.

All these affect the overall cost of your installation.

A photovoltaic system can cost roughly at $8000 to $10000 per 1kW system. This equates to $8 to $10 per Watt. An average American household with 3 bedrooms requires at least 1.5kW to as much as 3kW. Thus, installation can cost from $14000 to $30000, before rebates and tax credits.

Government rebate varies from state to state. As a reference, an average California household that requires 1.5kW system can get as much as $4200 rebate (1.5kW= 1500 watts x $2.80 per watt = $4200).

A household that requires 3kW system can get as much as $8400 (3kW= 3000 watts x $2.80 per watt = $8400).

Before, tax credit goes as much as 30% but it is lowered to 7.5% of system cost after rebate.

So an average household with 1.5kW system can get $735 ($14000 – $4200 x 7.5% = $735) worth of tax credit while the 3kW system can get $1620 ($30000 – $8400 x 7.5% = $1620) worth of tax credit.

Example A: 1.5kW system

Cost of solar electric system: $14000
Less rebate: $4200
Less tax credit: $735

Cost of the system after rebate and tax credit: $9065

Example B: 3kW system

Cost of solar electric system: $30000
Less rebate: $8400
Less tax credit: $1620

Cost of the system after rebate and tax credit: $19980

Again, these are rough estimates just to give you an idea of the cost of installing solar energy system. They do not represent real figures.

Top tips:

Energy independent home has higher resale value and is more preferred by home buyers. So, if you are planning to sell your home in several years, installing solar energy system does not only provide substantial saving on electric bill, it also is a good home improvement option.

If you want to finance the cost of your solar energy installation, include it in your mortgage.

If you want to reduce your electricity load, switch to energy efficient appliances. Buy electric appliances with ENERGY STAR seal.

Low energy requirement means lower installation cost.

Residents of areas with higher electricity rate can benefit most on solar energy system.

If you can’t afford the photovoltaic system, you can install solar hot water system that costs roughly from $2000 to $4000.

Solar energy is best for houses that are located far from the existing power lines.

The day may not be far off when the use of solar energy becomes a norm. There is now a deep conviction among experts that given a few years time, solar power will be in high demand that the cost will go down, inexpensive enough to undercut the prices of oil-generated electricity.

Previous predictions that it will still happen in a decade may no longer be true. The anger generated by the recent prices in oil and its vulnerability to market forces and other events may have already been enough to polarized people, governments and scientific communities into seriously considering a reliable alternative energy source.

You can not get a source more reliable than the sun. Even today homes that uses its power does not only benefit from the silent, energy generating, inexhaustible power of the sun, it also spikes up the prices of their homes. Those that have solar powered homes are even reimbursed for the surplus power that they supply to the power grid.

Presently, heliostats, photovoltaic cells and plate collectors are being used to collect the energy by focusing these panels towards the sun or constructing and installing the panel’s on spots where the sun shines most. Development in technology as we all know often has a snowball effect. It never stops rediscovering and reinventing that the speed of development could often be surprisingly fast.

Today, a polymer foil, thin as a sheet of paper and lighter by 200 times when compared to the regular glass collecting plates, are being developed. Chances are, these new inventions and discoveries could very well have a great potential for mass production. Previously, the glass-based materials used for heat collection need expensive substrates and require additional support for mounting due to its weight. The polymer foil, being very light could now be attached even to the walls of a structure.

So confident are scientists in the development of this technology that while the polymer foil is being developed, a plastic solar cell, based on nano technology is gaining breakthroughs. This plastic material can collect the power of the sun even on a cloudy day through harnessing the infrared rays is believed to be five times more efficient than the current technology.

While plastic materials for harnessing the power of the sun are not new, it is only recently that this plastic composite could harvest the infrared portion. Previously, only the visible rays are generated, the infrared part, which is half of the power of the sun, is invisible.

Currently, the best plastic solar cells could only harness 6% of the suns energy, with further study and development, this new plastic solar cells are expected to harness 30% of the suns solar power.

Scientists and researchers alike agree that ultimately, solar farms will be harnessing all our energy requirements and costs of power will drop. Today the price of solar powered energy is about 3 to 4 times per kilowatt hour compared with conventional electricity. That could change dramatically though the development of the existing technology and recent discoveries.

The roller pressed flexible plastic materials and the polymer foil are only two of the best hopes in arriving at a cleaner, greener and safer environment that could ultimately free the planet from its dependency on the depleting supply of oil.

Facts about Solar Energy and Solar Power Plants

The earth receives more than enough energy from the sun in an hour to supply the world’s energy requirement for the whole year.

Unfortunately, only a tiny portion of it is harnessed and the world still relies on power plants that burn fossil fuels. The good thing, though, is that there is a constant increase in demand for solar energy; and over the years of continuous development, solar panels are much cheaper today.

During peak hours, the maximum power density that the sun can give is about 1kW per square meter. In other words, one square meter of solar panel can produce as much as 100 GWh (gigawatt hours) of electricity in one year. That is enough to power 50,000 houses.

If a solar power plant is build on 1% of the total land area of the Sahara desert, it will satisfy the world’s energy requirement.

The efficiency of solar panels depends on several factors such as pollution, clouds, temperature and atmospheric humidity.

Solar power plants are very similar to other conventional power plants – with one significant difference: The majority of power plants draw their power from fossil fuels like oil, coal and gas.

When power plants burn fossil fuels, they produce greenhouse gases that contribute to global warming. Solar power plants or solar thermal power plants (or Concentrating Solar Power plants) utilize the power of the sun’s rays to generate electricity.

The process could not be any simpler. The solar panels receive heat from the sun, which will be reflected to the receiver. The receiver converts into steam the concentrated solar energy. The steam is stored on tanks which will be used to turn the turbines and generate electricity.

The whole process does not involve any burning of any fossil fuels. Thus, solar power plants do not contribute to global warming.

The increase in the use of solar energy will bring down the demand for oil.

Today, there are more than 10,000 households with solar energy systems and the number is constantly increasing. If the demand for solar energy as well as other forms of alternative energy, the demand for oil will drop and the cost fuel will likely to follow.

Residential solar energy system can turn your electric meter backwards. Given that you are connected on a power-grid, the excess energy that your solar energy system produces will go to the electric lines to be used by other homes. As a result, any excess energy you give will be reflected on your bills. Your electric supplier will even pay for the electricity you supplied.

Residential solar energy system can save you money.

While the initial cash out for installing solar energy system at home is big, the device will pay for itself in the long run. Not only you will save money on solar energy system, you also help the environment by not contributing to carbon emissions.

Solar energy systems are reliable and can last for a very long time.

PV cells are last from 25 to 40 years. Many manufacturers of solar panels give 25 years product warranty. This is the assurance that solar panels are very dependable.

In addition, solar panels require little or no maintenance and the can be installed on most places where there is sunlight throughout the year.

Harnessing the power of the sun’s ray to create energy to power our house is very appealing. But the question is, “Is everything about solar energy good?”

Looking at the current price of fossil fuel-based electricity, it is quite impractical to convert into solar energy system. However, with the growing concern on the state of the earth, there is really a need to find other means of energy aside from what power plants are using right now. Where do you place yourself?

Whether you are an advocate of clean energy or simply care about where your finances go, looking at the pros and cons of residential solar energy system will help you decide on whether to convert or not.

Pros

Solar energy is free. Did you know that the earth absorbs 174 pettawatts of solar radiation? This means that we have more than enough source of free energy to power every house in the world. Unfortunately, most of our energy is still drawn from oil, gas and coal. But in recent years, there is a steady increase of demand for alternative and renewable energy like solar power. It is estimated that the demand for alternative sources of energy will increase by 53% between 1999 and 2020.

Solar energy is clean, renewable and sustainable. Because the energy created from the sun’s rays does not produce byproducts like those from fossil fuel power plants (sulfur dioxide, nitrogen oxide, mercury or carbon dioxide), it does not contribute to pollution. Accordingly, the increase in the use of solar energy and other alternative forms of energy will decrease the demand for greenhouse gases-producing power plants.

The price of photovoltaic cells is steadily decreasing. The demand for solar panels has risen by 57% in the United States in 2007 and is steadily increasing on a monthly basis. The increase in demand results to the improvement of solar technology as a whole. The prices of photovoltaic cells have declined on the average of 4% every year over the past 15 years.

Solar panels can be installed on most rooftops, eliminating the problem of finding a suitable place for installation. Solar panels require little or no maintenance. The original photovoltaic cells technology is used for most satellites orbiting our earth today which are not maintained at all. Many solar panel manufacturers give 25 to 40 years warranty on their products.

Because most areas of the country receive a substantial amount of sunlight throughout the year, solar panels can be installed anywhere.

Many states in the country give tax credits and rebates to households who want to install solar energy system. Check with your state government the cost of these incentives.

Cons

While the prices of PV cells are in constant decline, the cost of installation is substantially high compared to the current electric cost. But the good thing is, after your initial cash out, you don’t have to pay every month on electric bills for the rest of your life.

On areas cities and areas with heavy pollution problem, solar energy may not work as fine. Weather can also affect the efficiency of solar energy. If it is raining, overcast weather or if there is a hurricane, the solar panels’ efficiency is decreased.

You are only producing energy during day time.

These are general pros and cons you might encounter when considering the conversion to solar energy system. It would be best if your decision is based on location, cost, budget, rebates, tax credits and practicality.

Solar energy is one form of energy that is abundant all over the world today. It is also a source of energy that is least harnessed in the world and has some of the best potential. Benefits of solar energy and its move of implementation is examined below.

The simplest transfer of energy we use today is solar energy. Solar energy can be used to warm our pools or to dry our clothes.

The sun is a very powerful star. It supplies us with energy by means of a process known as nuclear fusion. It also sustains the life on our planet. Solar energy otherwise known as the energy from the sun has existed since time immemorial and even the prehistoric men used the power of the sun in order to start fires.

The sun is a valuable and essential resource which radiates enough energy on the U. S in one day to meet the needs of the nation for as much as one and a half years. It is a source of energy that is free, clean and renewable and it is an energy source that will play a substantial role in our future.

The use of solar energy seems like the easiest solution to having an eternal energy source. However the harnessing of this energy is where the problem starts from. The rays of the sun shine over the entire world and not in a single spot. It may take only 8 minutes for the rays of the sun to reach the earth but trying to catch these rays over a wide area can be a very tricky thing to do. Energy available given place will vary according to a number of different factors which include cloud cover and weather conditions.

The use of solar energy in the United States started in the 1890′s when solar water heaters were used. Solar water heating makes use of a storage collector and a storage tank. Flat plate solar collectors are kept of roofs and pipes that carry water are then pumped through these collectors. These tubes are also painted black because this way they tend to get hotter quicker, a storage tank will then hold the hot liquid and this will help with central heating and cutting down on fuel costs. Solar heaters were popular when natural gas was rather expensive and burning wood and coals was a rather bothersome task. The popularity of solar heaters reduced when abundant natural gas and oil deposits were discovered. These fuels are now returning to replace the depleting fossil fuels that had taken their place.

Solar energy is either in the form of heat or light energy. The technology of the photovoltaic converts the energy of the sun into electric currents with the use of solar cells. Electric currents are then used immediately or stored for future use. PV cells also consist of pieces of silicon which are placed under a piece of glass. These pieces have both a positive and negative charge. Certain examples of this are the solar powered calculators that are used almost everywhere these days. Much more complicated examples would be the use of solar panels on rooftops. This usually consists of thin film solar cells used as rooftop shingles, roof tiles or even glazing for sky lights. These solar cells only generate one sixth of the solar energy into power. Bigger arrays are then needed which usually means more costs.

Solar thermal plants make use of the power of the sun in order to heat fluid. This in turn is transferred to steam that is quite similar to what occurs in plants that burn fossil fuel. The steam can then be transformed into mechanical energy in a turbine as well as electrical energy in a generator. The bad thing about solar plants is that they are unable to produce energy on days that are cloudy.