Dramatic price decreases in the costs of solar electric panels within the last several years means solar is getting closer to grid parity in many parts of the country. Grid parity is when the costs of installing a solar electric system can compete with the utility electric rates that you pay over the life of the system without rebates or subsidies.
Eco Depot USA has offered clean, renewable and sustainable energy solutions that help reduce our impact on the environment while saving you money for over 17 years. As renewable energy experts, we provide a complete line of products and turnkey systems including solar electric, solar thermal, radiant heating and wind power systems.
Eco Depot USA has offered clean, renewable and sustainable energy solutions that help reduce our impact on the environment while saving you money for over 17 years. As renewable energy experts, we provide a complete line of products and turnkey systems including solar electric, solar thermal, radiant heating and wind power systems.
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Twenty five years ago, it used to be that terms like 'solar power' and 'renewable energy' were terms used only by a few academics, some environmentalists or maverick modern home steader types. Well we've come a long way since then. Now renewable energy has a place - or needs to find a place - in everyone's life.
When considering energy efficiency and sustainable living practices and products it is important to consider the building as a system. Most energy demands are related to each other. For example: a well insulated structure requires not only less heating and cooling but also less energy to distribute and circulate this conditioned air.
Two points to look at are the site specific nature of these power sources and the difference in moving parts. Solar electricity many times has the advantage with both factors, sunlight being fairly universal and PV's having no moving parts to wear and eventually fail. Hydroelectric generators are another option.
In this water thru the pipe analogy, if you wish to have increased flow through the pipeline, you will need either a bigger pipe or you will have to push the water (or electricity) through at a more rapid rate. To push water through a pipeline at high speed requires high pressure. Pressure in water is measured in psi.
The nominal voltage of your system is usually determined by the system size. Small to medium systems, where most loads are DC, or a few loads are AC through an inverter, lend themselves to 12 volts nicely. Many lights and small appliances can be found at this voltage and efficiencies are high. 24 volt systems are suggested for medium to large systems.
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