Usually the largest single cost factor is lighting. Obsolete light bulbs only use about ten percent of the electricity to make light. 90 percent are lost as heat. They produce heat rather than light, because they are based on a glowing filament made of tungsten. Modern LEDs use almost all of the electricity to make light. You can clearly notice this from the fact that they stay cool, i.e. there is much less loss. A good LED needs about a tenth of the electricity to produce the same amount of light. And because it does not heat up so much, it lasts much longer. And: The price of LEDs has come down so much, that exchanging them for regular light bulbs pays off within one or two years. The same is true for industrial lighting systems which often use mercury vapour lamps. These, too, use up a lot of electricity and can easily be replaced by LEDs.
Are residential solar panels worth it? Estimate residential solar panel cost. Solar panels aren’t cheap: with installation, an average residential 5kW size system runs between $3 and $5 per watt, or $15,000 to $25,000, before tax credits and incentives, according to the Center for Sustainable Energy.
Global Solar Supply is a premier , US based, provider of solar panels, solar batteries, solar inverters and any other accessories needed for solar power systems. Solar system Engineering, Consulting, Advice Renewable energy is the future.We are also a certified C-10 electrical contractor, fiber optics level 2 installer, troubleshooter, and thermal imaging level 1 accredited. I have experience in the design build of SCADA and other remote interfaced control systems including 12,24,48 and up DC power systems.
We carry all system parts and supplies needed for various solar projects. We have a full inventory for electrical distribution equipment. The company is a market leader, expert in solar panels and solar equipment montage in California, US.
Without energy storage, you can make good use of about 50 to 80 percent of the solar electricity for your own house. A battery can easily take that up to (almost) 100 percent. If you do not base the own consumption just on the solar generator, but on the electricity demand of the entire house, the following general rule applies: Without storage, you can meet about 30 to 50 percent your electricity demand directly from solar. In combination with a solar battery, this can be as much as 90 percent. To meet your entire electricity needs over the course of a year, you need a second generator, e.g. a cogeneration unit. It is usually simpler – and less expensive – to use the power grid. During the winter, your needs can be met through green electricity from a certified utility.
There is a reason why solar energy has become a trending topic when talking about renewables. While it has been widely criticised for being expensive or not very efficient, solar energy has now proved to be extremely beneficial – not only for the environment but also financially speaking. Additionally, due to the higher demand, the technology has been improved considerably, turning into a significantly efficient source of clean energy.
Advantage of Solar Energy : Solar energy systems generally don’t require a lot of maintenance. You only need to keep them relatively clean, so cleaning them a couple of times per year will do the job. If in doubt, you can always rely on specialised cleaning companies, which offer this service from around £25-£35. Most reliable solar panel manufacturers offer 20-25 years warranty. Also, as there are no moving parts, there is no wear and tear. The inverter is usually the only part that needs to changed after 5-10 years because it is continuously working to convert solar energy into electricity (solar PV) and heat (solar thermal). Apart from the inverter, the cables also need maintenance to ensure your solar power system runs at maximum efficiency. So, after covering the initial cost of the solar system, you can expect very little spending on maintenance and repair work.
Disadvantage of Solar Energy : Although pollution related to solar energy systems is far less compared to other sources of energy, solar energy can be associated with pollution. Transportation and installation of solar systems have been associated with the emission of greenhouse gases. There are also some toxic materials and hazardous products used during the manufacturing process of solar photovoltaics, which can indirectly affect the environment. Nevertheless, solar energy pollutes far less than other alternative energy sources.
Few answers : You have many choices when it comes to purchasing anything in today’s market place and we are here to make it easier to get the solar parts you want and need as quickly and easily as possible. we offer FAST shipping and strive to have orders shipped out the same if the product is in stock at our warehouse facilities. We also offer education and design assistance for your projects and will have engineering service links on our web site very soon. Bottom line we are here to help you with your solar power system whether it is on component to fix your existing set up or if it is a custom designed system we can help.