How to calculate an off grid solar system - Calculate Solar Panel Needs + Loads | GridFree

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In this episode, Billy takes us through how to calculate an off grid solar system you will need to run your lifestyle and provide you with other important considerations before making your decision.
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Articles:
How to calculate your energy needs: gridfree.store/blogs/how-to-a...
New Zealand location sunlight expectancies:
figure.nz/chart/KCFvVXndcpjM8Rfx
www.stats.govt.nz/indicators/...
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Formulas:
1) Finding the Watt hour number:
Power rating (W) X Usage Hours = Daily Watt hours (Wh)
2) Finding the Energy Per Day Amount:
Yearly kWh ÷ 365 = Energy Per Day
3) Converting kWh into Wh:
Energy Per Day X 1000 = Wh
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0:00 - Intro
0:12 - Overview of our kit options
0:19 - Finding the perfect kit size
0:38 - Three step overview
0:53 - Step 1
1:25 - Step 2
2:38 - Step 3
2:53 - Formula 1
2:59 - Formula 2 & 3
3:39 - Finding your perfect Solar Kit
4:33 - Special Considerations
4:37 - Location
5:14 - Inefficiencies
5:41 - Design Considerations
6:03 - Get in touch
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Learn more about our DIY Off Grid Solar Kits at gridfree.store/
Email us at info@gridfree.store
Message us on Facebook at @Gridfree.Store
Call us Monday through Friday from 9 to 5 at 09 218 5533
Find us on Facebook, Instagram and Pinterest: @gridfreestore

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Опубликовано:

31 июл 2024

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Комментарии : 6

@jacobcreech4382 10 месяцев назад

Great vid thanks. Would love to see one doing a roof mount install and running the cables through conduit to make sure we’re compliant. Thanks

@GridFreeStore 10 месяцев назад

Thanks! We're planning on filming some fresh install videos soon, but there's an old one on our channel that shows a roof mount install: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Fi1mbJimomc.html

@John.strong Год назад

the next issue is, what happens when you get zero solar gain for several days in a row or 12 days in a row like i've experienced this year, twice. you either run out of power or use a generator. I took my lithium battery to the neighbors house to charge them, i would never of even considered it if they were gel or lead acid then then the grid went down and the sun was out, the neighbor came and used out power

@GridFreeStore Год назад

Yup, no matter how many solar panels you have you need a generator to get through those cloudy periods sometimes - great that you and your neighbour were able to help each other out though!

@solarcabin Год назад

Pretty good explanation but you didn't actually cover what the kits produce. Off grid over 20 years now and my system is only 800 watts. That runs a 12 volt OD water pump, led lights, laptop, wifi router, swamp cooler, small cooking appliances, microwave, and recharges all my gadgets and ebike. The key is to only use heavy loads in the day time when the sun is shining after your batteries are full and not at night when you are only drawing power from your batteries. If people will do that you can use a smaller system. At the prices of solar panels today I would oversize the system to double what you expect to use and then on cloudy days or in winter you will have enough solar to recharge your batts.

@GridFreeStore Год назад

We've kept the details of what the kits produce a little vague because our panel sizes increase regularly, so this way the video won't become outdated. All of this information is kept on our website. Agreed on that advice!