Tuesday, December 27, 2011

Grape Solar GS-3680-KIT Residential 3,680 Watt Grid-Tied Solar Power System Kit

!±8± Grape Solar GS-3680-KIT Residential 3,680 Watt Grid-Tied Solar Power System Kit

Brand : Grape Solar | Rate : | Price : $12,499.00
Post Date : Dec 27, 2011 17:32:36 | Usually ships in 2 to 3 days


This Grape Solar 3,680 Watt kit generates 336kWh to 672kWh of electricity per month for use in your residence. The kit consists of Grape Solar CS-P-230-DJ 230W Poly-Si modules, a PVP3000 Inverter and a roof-top racking system for mounting the modules. This kit is easy to install, and the ideal size for future expansion. You have the option to generate a portion of your electricity consumption or the entire daily/monthly consumption of your household. Unlike other generators, there are no mechanical moving components; therefore, maintenance is virtually non-existent. The kit is eligible for receiving federal/state/local/ rebates and incentives. A complete high-performance solar PV system designed for USA/Canada/countries that use 120/240 AC, 60HZ. This kit combines Grape Solar's industry-leading solar panels with a top-of-the-line inverters and racking, specially designed for the highest system-level performance and most cost effective solution. Package DC power output: 3,680 Watt. (16) Grape Solar 230W Poly-Si panels.  Panels are UL, CEC and FSEC certified. Panel output tolerance: 0-Percent +3-Percent. Panel dimension 64.9-Inch by 39.0-Inch by 1.57-Inch.  Total roof space required: 288-squar feet. Impact resistance: hail diameter of 28mm with speed of 86km/h. (1) PVP-3000 inverters from PV Powered.  AC/DC system disconnects and 10 year warranty are included. (1) set of Regular Roof Mount racking system wind load up to 80mph.Recommended Electrical Wiring: 2 strings x 8 panels/string with PVP-3500 inverter. Combiners, cables, fuses are not included. Solar Panels: 25 years power output warranty, 10 year material and workmanship warranty. Inverter: 10 year warranty. Racking: 10 year warranty.

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Tuesday, December 6, 2011

4 Criteria to Calculate Home Solar Power Rebates

!±8± 4 Criteria to Calculate Home Solar Power Rebates

For a home owner, making the investment on a residential solar power system can be expensive. A simple grid tied-in solar energy setup can cost upwards of ,000. Luckily, the government is on your side. If you are planning to make an investment on green technology for your home, you can apply for solar power rebates.

How do you calculate the solar rebates? Here are 4 criteria that you have to consider.

1) Your residential geographical area - This will take into consideration statistical weather patterns in your area. This includes cloud density and frequency, average temperatures, air density etc.

All the number combined will give a measure of how much sunlight you can expect in your housing area in a given year.

2) The size and orientation of your solar modules - The best sunlight exposure comes from a specific roof angle. Different angle will yield different solar output. To enjoy the rebates, your solar modules have to be setup on specified angles.

If the solar panels are installed outside the specified angles, the government will reduce the subsidies paid out.

3) Shading issues inherent to the solar modules - To get this data, a special hemispheric reflector is used to measure the relative location and shading effects of trees, chimneys, mountains, other tall building etc. The device will tell whether the shadow caused by the obstruction will affect your solar module efficiency at any time of the year.

4) Your home solar energy system efficiency - This data will relate to you solar power productivity. The solar components manufacturers will define their system efficiency.

However, the final results will depend on where and how the solar collectors are setup. The government will give you solar power rebates based on energy production. You do not get the subsidies based on solar system installation alone.


4 Criteria to Calculate Home Solar Power Rebates

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Tuesday, November 29, 2011

Grid-Tied Vs Off-Grid Solar Power

!±8± Grid-Tied Vs Off-Grid Solar Power

Many people are now becoming desperate for energy alternatives and as a result are showing more interest in what the alternatives are. One of the more known ones to the average person is solar energy. Even though many people are familiar with it, they really do not understanding its capabilities or potential. In fact many people don't realize that just one hour of sun energy is more than a year's worth of the entire energy used in the world in that time. Another interesting factor that many do not realize is that solar power has the capability to provide enough energy to totally supply the power needed to supply an average home. This is totally dependent on the type of solar system being used and how it measures up on both on and off grid.

Grid-tie:

For those showing an interest in solar power but are reluctant to a total switch over then a grid tie system is the answer. In this case you would remain within the grid system but still be able to supplement your power supply with solar power. Being as there is no guarantee that the sun is going to shine every day for those that don't have large solar storage capabilities remaining on the grid is a smart move. Another benefit of remaining on the grid and using solar power is well is perhaps the chance to sell back unused power to the supplier.

For those that don't understand the grid, this simply refers to the area that is supplied by a power company to generate their current electricity. A grid tie system is much the same only allows you to generate power from both the standard power source as well as the solar source.

Type #1- No backup battery system

The whole focus in this system is in the wiring specs. Meaning that the grid tie joins into the power feed. Then via the breaker panels the solar system ties into the grid feed. If more solar power is generated, than what is used, the excess reverses the power meter and the excess power not utilized is sold back to the power provider. This is a win-win situation because the cost to purchase is low and there is virtually no maintenance. The downfall is that in the event of a power failure there is no backup power and this particular type of system only works where there is meter usage.

Type #2 - Backup battery system

This is very similar to the grid tie system. However, in this system there is the requirement for and inverter as well as the solar panels. This creates the need for three very important items being the batteries, a charger for the batteries and a solar charge controller. The purpose of the battery charge is to keep the batteries fully charged but the need for the charge controller is there to prevent over or under charging the batteries. This is still a great system even though it demands a bit more care and is more expensive than the grid tie system. It means that there is also back up power in case of failure.

Off-grid:

Often people think that if a person lives off the grid then they are totally isolated from society and have none of the essentials in life. The possibility to live quite comfortably off the grid is certainly available. They can be totally reliant on solar power. The solar system needed here works on the same premise however; there is no power system to link up with. It is battery dependant and requires another type of converter know as an off grid converter. Although you are, off the grid you are reliant on the local power source and do not have to be concerned about conventional power failures.

You can also take comfort in knowing that you are making a very substantial contribution to cutting down the greenhouse gases that are choking the world that we live in.


Grid-Tied Vs Off-Grid Solar Power

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