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The transition to renewable energy is set to deliver an economic pay off as well in the years to come. Various studies show that a shift to alternative energy sources will raise the GNP in the coming decade and create new jobs, as Prof. Eicke Weber, spokesperson for the Fraunhofer Energy Alliance, points out More »
A record number of homeowners had solar panels installed this month, according to energy regulator Ofgem.
The devices have been fitted to 2,257 homes so far during August, up from 1,700 in July and 1,400 in June.
More than 6,688 homes have had solar panels fitted since April, when the government’s scheme to reward people who generate their own energy altered.
The feed-in tariff system now enables homeowners to receive 41.3p for every unit of energy they generate.
This is regardless of whether they use the energy or sell it back to the National Grid. More »
Tags: alternative energy, clean energy, energy production, solar energy, solar panels, solar power systems
As the world continues its quest to use less fossil fuels, the latest possible solution comes from the most unlikely of sources: the tobacco plant. This new discovery is based on the possibility of literally programming the cells of the plants to get solar cells from tobacco plants. More »
Solar cells, also called photovoltaic (PV) cells by scientists, convert sunlight directly into electricity. PV gets its name from the process of converting light (photons) to electricity (voltage), which is called the PV effect. The PV effect was discovered in 1954, when scientists at Bell Telephone discovered that silicon (an element found in sand) created an electric charge when exposed to sunlight. Soon solar cells were being used to power space satellites and smaller items like calculators and watches. Today, thousands of people power their homes and businesses with individual solar PV systems. Utility companies are also using PV technology for large power stations.
Solar panels used to power homes and businesses are typically made from solar cells combined into modules that hold about 40 cells. More »
Tags: solar cells, solar energy, solar panels, solar power, solar power systems
Step outside on a hot and sunny summer day, and you’ll feel the power of solar heat and light. Today, many buildings are designed to take advantage of this natural resource through the use of passive solar heating and daylighting.
The south side of a building always receives the most sunlight. Therefore, buildings designed for passive solar heating usually have large, south-facing windows. Materials that absorb and store the sun’s heat can be built into the sunlit More »
Tags: solar energy, solar power
Many power plants today use fossil fuels as a heat source to boil water. The steam from the boiling water spins a large turbine, which drives a generator to produce electricity. However, a new generation of power plants with concentrating solar power systems uses the sun as a heat source. The three main types of concentrating solar power systems are: linear concentrator, dish/engine, and power tower systems.
Linear concentrator systems collect the sun’s energy using long rectangular, curved (U-shaped) mirrors. The mirrors are tilted toward the sun, focusing sunlight on tubes (or receivers) that run the length of the mirrors. The reflected sunlight heats More »
Tags: solar energy, solar power, solar power systems
Solar energy Basics – Sizing a Solar Electric System to Fit Your Needs
In regard to solar energy basics, the process for determining the size of your solar electric system is the opposite order of what we just went through in the previous example. First, you determine how much energy you need on a daily basis in kilowatt-hours (kWh). This data can be found on your electric bill on a monthly basis if you have one for your location.
Otherwise you will need to go through the process of estimating your energy consumption. To estimate the energy usage on a daily basis, take your monthly estimate and divide by 30. To estimate the energy usage on a daily basis More »
Tags: solar cells, solar energy, solar panels, solar power
When it comes to renewable energy technology, solar energy panels, which are known by some as photovoltaic modules, are one of the most popular. Basically a solar energy panel is the smallest unit that is replaceable within a PV array.
The panel offers support for a variety of different PV cells and the amount of electrical output will depend on the number of cells and the size of the cells, the conditions of the environment, and of course the electric interconnection of those cells.
When it comes to the output of a specific solar electric panel More »
Tags: solar cells, solar energy, solar panels, solar power
Ideas on using passive solar energy around your home. The article following was written by Pam, a resident of Houston Texas. She offers some great ideas in the area of passive solar house plans. She writes:
Actually, part of my system actually came from among a bunch of peanuts, the packing, not the eating kind. I have two small windows in my bedroom which were un-insulated and provided almost no usable light, but let a security light shine in my face at night. More »
Tags: solar cells, solar energy, solar panels, solar power
Learn How to make solar panels
Plenty of people have been looking into installing solar panels in an effort to combat rising energy costs. When most of these people see the prices of the professionally installed panels they realize it may not be a luxury they can afford. There is an easier, more cost efficient way to harness power from the sun and that is to learn how to build solar panels yourself.
Any motivated do-it-yourselfer can learn how to build solar panels for their home, workshop or business. When compared to the cost of purchasing and installing a pre-made solar energy system, learning how to produce solar panels for your energy More »
Tags: solar cells, solar energy, solar panels, solar power