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Solar Panels, cost associated with it. return on investment. battery bank.
There are several types, some for electric power and some for hot water.
ROI is most dependent on your location and the positioning of the panels (the amount of ambient sunlight per year).
please i need to know your combination of solar panels (with the wattage), inverters(how many and its rating), batteries(how many and there voltage) specically for like a 16KW load.Please i will like also to know there manufacturers for refrences.
If you mean you use 16 kWh a day, you’re similar to us. If you mean your load is constantly 16 kW, that’s way out of our league.
Our system is 2.5 kW, and grid-tied (no batteries). It supplies basically all of our kWh’s averaged over the year.
You can see the specs at
http://www.angelfire.com/ca2/roderick/solar/photovoltaic.html
I live in california and am looking for Gov. grants, credits,loans or subsidies for installing solar power on my home roof.Thank you Jim
The My Solar Estimator on the page below will estimate your solar credits and rebates both Federal and State. The site will also lead you to the links you need for more detailed information. This is a very good site.
I'm specifically wondering what kind of maintenance is involved with solar systems that power off grid homes. We would only be at the cabin a few days a month most of the time…except during long vacations. Is it even possible to maintain a total-home solar system in this kind of situation?
Since you said you were specifically wondering about maintenance, I will assume that you have already researched what size system you require as a result of the total power you need, the latitude of where your cabin is, the total average hours of sun available through the various seasons, etc. The primary maintenance concern is your battery status. To compensate for overcharging I will assume you are using a charge controller. During hot weather your batteries will need more water (distilled only) than in cool or cold weather. To keep rodents away, spray the wiring with peppermint oil. Make sure battery cable attachments to the batteries are coated with an acid preventative. If you do indeed have a total home system it will be quite large. I have a system I have used for 5 years to supply my requirements except heating, hot water and cooking. For that I use propane. I use my barbecue (propane) as an oven when needed (great to cook pizza…better than a regular oven…use the upper warming rack). I use a 12v refrigerator from Sundanzer…..works great even in very hot climates…115 degrees. I have 6ea. 75 watt panels that I tilt twice a year in spring and fall. If you have a large family, use hair dryers, microwave, basically anything with a heating element or constant use motor…then my size system would not work. But I do run my stereo or TV 12 - 16 hours a day when I am there. I generally make meals that do not take hours and hours to cook to save on propane. If your system is oversized or you do not go and use your system monthly then rig something up to use a little power so that your batteries will not always be at 100%. Any other questions, just ask. Good luck!
A Myers Park man says installing solar panels on his roof has saved him hundreds of dollars in electricity costs.
Duration : 0:2:2
SOLAR REVOLUTION - Solar Paint
Ted Sargent is a pioneer in solar science. He’s working on solar technology that could literally be woven into every aspect of daily life, from our clothes to our roads, using what is known as a spray-on solar cell. The implications for our energy systems are profound. As Ted says, “Solar energy is not just an exciting science problem, but an incredibly important human problem.”
Ted is working on solar nanotechnology with the potential to make solar energy very cheap and allow society to collect it on a huge scale. Currently, solar technology costs more to build and install than most people are willing to pay. Solar panels, for example, the technology most commonly ociated with solar energy, are installed on your rooftop. The cost of collecting one kilowatt per hour of solar energy (about a third of the electricity an average household uses on any given day) is about $11,000.
Not only are panels expensive to install, they capture only the visible portion of the sun’s rays so they work only on sunny days. Ted’s focus is the infrared portion of the sun’s rays which accounts for more than half of all solar energy. What’s more, infrared energy is available to us even in cloudy weather.
A quantum dot is a semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes, or excitons (bound pairs of conduction band electrons and valence band holes) in all three spatial directions. The confinement can be due to electrostatic potentials (generated by external electrodes, doping, strain, impurities), the presence of an interface between different semiconductor materials (e.g. in core-shell nanocrystal systems), the presence of the semiconductor surface (e.g. semiconductor nanocrystal), or a combination of these. A quantum dot has a discrete quantized energy spectrum. The corresponding wave functions are spatially localized within the quantum dot, but extend over many periods of the crystal lattice. A quantum dot contains a small finite number (of the order of 1-100) of conduction band electrons, valence band holes, or excitons, i.e., a finite number of elementary electric charges.
Duration : 0:3:5
For higher resolution watch http://www.ntdtv.com / to watch more on youtube : http://youtube.com/user/NTDTV choose playlist and then “Across Europe”
Solar energy definitely has its place in the 21st century. Thanks to people like Philippe Desboulcan. Not only is he an engineer with a passion, he is also a skilled craftsman with a strong vision.
Duration : 0:10:13
EnviroMission, Ltd. (US Market: EVOMY, Australian Exchange: EVM) is a renewable energy developer of sustainable “green” energy solutions for the energy market. EnviroMission aims to be one of Australia’s leading producers of clean renewable energy. EnviroMission holds the proprietary rights to Solar Tower technology, a large-scale renewable energy technology based on simple fundamentals of physics — hot air rises. Solar Tower technology has the potential to offer competitive renewable energy with equal reliability to fossil fuel generators.
A single 200MW Solar Tower power station will provide enough electricity to power around 400,000 households. The energy output will represent an annual saving of more than 1,960,000 tonnes of greenhouse CO2 gases from entering the environment when compared to brown coal emissions in Victoria. The greenhouse savings equate to the removal of approximately 500,000 cars from the road. The Australian Solar Tower project consists of six distinct phases, the first two of which (project optimization and pre-feasibility commercialization) have already been completed. The third phase (final feasibility), paving the way for the implementation of the next three phases (final design, construction, and commercial operation).
Duration : 0:4:32
Low cost solar photovoltaic cells.
From Zap Root, Batteries fall from the SKIES!!!