OFF GRID wind and solar installation and cost

OFF GRID wind and solar installation and cost

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Hi #TeamKB, in this article Kimroy Bailey Renewables will show you five simple steps to install your own off-grid system. This will take you a step closer to stop paying monthly energy bills. An off-grid system powers your home without the grid using wind or solar system. KB Renewables will include the major materials needed. This article will discuss the cost of a basic wind / solar system. Most renewable energy companies may NOT want you to install a system by yourself with a little help. They would prefer to charge you an arm and a leg in installation expenses. We recommend that you watch the video below in order to fully understand this article.

Step 1: DIY Installing a wind turbine

Create the foundation for your wind turbine and the wooden box frame. You will need 20 feet, 2 inches diameter galvanize pipe for the wind turbine’s tower. Five lengths of steel will be needed to make a 12ft tall x 0.8ft square steel cage. Eight bags of cement and 25 bags of each of sand and marl will be used for the rete mixture. Create a ply wooden box 12 feet tall x 1 feet square. Place the ply box around the steel cage to pour the concrete aggregate. Ensure that your galvanized pipe is at the center of the concrete mixture. To ensure that the wind turbine is stable the pipe should straight, therefore, pay keen attention to this.

Step 2: Kimroy Bailey Renewables wind turbine assembly

Off grid wind turbine installation
Off-grid wind turbine installation

Wind turbines can be bought online or locally at Kimroy Bailey Renewables. We stock 1kW wind turbines and motors in the event that you would like to make your own wind turbine. You can also make a wind turbine at home using almost any DC motor or 3 phase AC generator. Follow the assembly instruction for your wind turbine or call +1876-834-5971 for telephone guidance. Installing your wind turbine can be done in 3 steps. First of all, Connect each of the five blades of your turbine to the hub of the unit.

Route a triple-core electrical wire through the galvanize pipe and connect the wire to your wind turbine. The electrical wire should be connected to what is called the slip ring. Always ensure that you connect the wire on the ground. This will help you in the event of high wind and you need to stop the turbine from spinning by connecting two of the 3 wires together.

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Finally, climb up and mount the wind turbine base to the galvanized pipe. Tighten the base of the turbine to the galvanize pipe and then install the hub or blades to the shaft of the 20 feet galvanize pipe. Ensure that you tighten all the nuts and bolts and do not install the turbine if the wind speed is stronger than 10 m/s (meter per second).

Step 3: Off-Grid Solar Panel Installation

Off grid solar panel installation
Off-grid solar panel installation

Two factors must be understood before installing solar panels. First, ensure that your roof is not shaded by trees and neighboring buildings. Secondly, ensure that you install the solar panels facing south. The easiest place to install a solar panel is on your roof while the most secure place to install solar panels is on a concrete deck. Solar panels are required to be installed at an angle facing south for countries north of the equator. Yet research shows that large off-grid systems with space limitations can be mounted flat facing the sky. When mounting solar panels use T-Clamps to join the panels together and end L-clamps to secure the endmost panels.

Step 4: Kimroy Bailey Renewables connecting Solar Panels

For a 12 solar panel installation, Kimroy Bailey Renewables connect panels in both series and parallel. Therefore we first connect groups of 3 panels in series. Furthermore, e use a combiner box to connect 4 groups of 3 panels in parallel. In the combiner box are four 15Amp DC breakers for each of the four groups of panels. Using twelve solar panels rated at 250W you are able to generate 12 x 250 = 3000W. Most of all this is sufficient generating capacity to cover an estimated J$15,000 (~U$150) energy bill depending on your energy usage.

Step 5: Battery, Charge Controller and Inverter

A critical component of your renewable energy system is your back end electronics. Most persons talk about the wind turbine or solar panels but the heart of a renewable energy system is the: inverter, charge controller, and batteries. For the 12 panel system, we use 16 batteries rated at 6 Volts and stores 115 Amp Hours. Amp Hours is an indication of the amount of current a battery can dissipate in one hour for your off-grid system. Consequently, sixteen batteries for example can power a number of appliances overnight. So we are able to power a refrigerator, television, 20 LED lights, a few laptop computers. Since the batteries may run low during the night it is important for the panels to recharge them daily. Most noteworthy 16 batteries at 115AH stores the same amount of power as 8 batteries rated at 230AH.

Here is a comprehensive guide on how to install 8 solar panels on a concrete roof

Here is what our customer Ricknel Marshall had to say about his 8 panels and 1 wind turbine system.

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Charge controllers are rated by the amount of current they are designed to handle. You can calculate what size charge controller you will need for your home. While dividing the total solar panel capacity by the voltage of your battery bank. The 12 panels in the video above each produce 250W and have a total generation capacity of  3,000W. Therefore 3,000W divided by 48V = 62.5Amps. As a result, Kimroy Bailey Renewables used the Schneider Electric – Conext 60 Amp Charge Controller.

The final major component for your off-grid system we will be discussing is the inverter. This changes Direct Current(DC) from the solar panels and battery to Alternated Current (AC). A 4,000W Inverter is standard for most home installation yet a smaller inverter work well as also.

How much does an OFF GRID system cost?

The cost of a renewable energy system, unfortunately, is not black or white. Pricing is based primarily on energy consumption and appliances consequently prices are customer-specific. Nonetheless, A J$300,000 or U$3,000 can acquire a simple renewable energy system design. Especially relevant, you will be able to purchase the items below for a simple system set up.

4 Solar Panels rated at 250W                         = $80,000

Solar Mounting and Connector + Wire        = $20,000

4 Trace Batteries 6 Volts rated at 115AH     = $48,000

1 Xantrex C60 charge controller + display  = $35,000

1 Inverter rated at 1500W                                =$70,000

DC Breaker and Battery wire + Miscellaneous   =$47,000

Total                                                                      =J$300,000 or U$3,000

This off-grid system will generate 1000W of power daily and stores 2.76 kWh of power for overnight usage as a result of the battery capacity.

What can this power       |         What this will NOT be able to power

Small standard refrigerator          |            Washing machine

LED Lights and Laptop                 |            Air Conditioning Unit

Television set, radio, iron             |             Large Microwave 

For a robust, affordable 6 panel system capable of powering the appliances above we recommend our Mega Starter Off Grid Solar System manufactured and Installed by the Kimroy Bailey Group of Companies.

To power the items in RED you will need an inverter larger than 4,000W in addition to more batteries. Consequently, the beauty of these small systems is the flexibility to upgrade from a 1.5kW to a 4kW.  The customer pays the difference in price plus installation and electronics and we’ll change the units. Please feel free to send us an instant message by clicking here and a support agent will discuss your systems requirements with you for a custom system price. Hence Let us help you stop paying monthly energy bills.

Please feel free to leave a comment below most of all share your questions or comments.

In conclusion, Start Small, start today. Renewable Is RELIABLE! This is #TeamKB, Let us #KeepBelieving

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Comments (2)

  • Lennox Reply

    Can you tell me how much will it cost to set up a system to run a 1 hp pool pump along with some led lights.

    October 27, 2016 at 2:49 am
  • Hurdley Greene Reply

    Can you tell where can i get some slip rings in montego bay?

    October 29, 2017 at 10:06 pm

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