Solar panels can save money or increase energy independence. If you want further savings, you can DIY solar panels, which requires more research and effort but can result in a cheaper system overall.
Can you build your own solar panels?
It is possible to build your own solar panels by purchasing individual solar cells, shatterproof glass, and the necessary wire and soldering equipment to assemble the panels.
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You’ll need to be knowledgeable about electricity in order to choose your cell voltages and power output correctly and safely.
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You’ll want to purchase high-quality equipment because a DIY solar panel will not be guaranteed with a warranty the way commercially-produced panels are.
In general, this level of do-it-yourself isn’t going to yield a cost benefit, however. DIYers often can save money when they create small-scale systems for an RV or tiny home using solar panel kits, or when they use manufactured panels but create their own DIY solar panel system.
How to DIY a solar panel system
If you’d prefer to spend time and effort rather than money, using manufactured panels to DIY your own system could be your answer.
1. Evaluate your roof or ground area and make a plan
Solar panels work best on south-facing roofs with an angle between 15 and 40 degrees, and you’ll want your roof area to be free of shade as much of the time as possible. Measure your roof, draw out where you’d ideally like to place your panels and calculate how many.
2. Understand the requirements for interconnection and permitting
3. Source your equipment carefully
4. Install yourself or contract elements of the project out piecemeal
Making this system worthwhile, however, also requires valuing your time. If this project is highly personally fulfilling and you have the spare time anyway, it will be easier to value those hours at a lower rate. If you have limited free time or don’t enjoy the manual labor and planning aspects of the project, consider whether the value of a DIY solar panels system is there.
How much does it cost to DIY your own solar panel system?
The average price of an 11 kW solar panel system is $29,926 before federal tax credits, according to EnergySage, a solar and home energy product comparison marketplace founded in 2012. Anecdotally, DIYers are able to install their systems for substantially less, but there isn’t definitive data for all DIY installations.
Instead, there is a range of expected savings. You might see a modest 10% savings for a partially DIY project you design and source but still contract out to professionals piecemeal, or a 50% savings for a completely DIY project sourced with pre-owned panels/batteries. In the end, your savings really depend on so many factors that you’re better off getting professional quotes in your area as a baseline and then pricing out your own project in comparison.
Is it worth it to DIY solar panels?
In general, DIY solar panel installation can lead to significant cost savings if you are willing to put in the time and effort required for research and project completion. However, it is important to prioritize safety throughout the process. If you are unsure or uncomfortable with any aspect of the installation, it is recommended to hire a licensed professional to ensure a safe and successful outcome.
Advantages of DIY solar panels
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1. DIY solar panels can save you thousands of dollars in installation costs.
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2. DIY projects allow for more customization and creativity compared to professional installations.
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3. Learning about power generation and electrical work can be a rewarding experience.
Disadvantages of DIY solar panels
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1. DIY projects require a significant time commitment, which may not be feasible for those with busy schedules.
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2. Ensuring the safety and efficiency of a DIY solar panel system may require extensive research and expertise.
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3. Sourcing high-quality equipment as an individual consumer can be challenging, as many manufacturers cater to professional installers.
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