Some solar power system providers misinform their clients about getting tilt frames on the solar panels. The reasoning behind this is because the part of the roof that gets the most sunlight is flat, and tilt frames counteract this. However, this is not true, and it’s best that you don’t use tilt frames on your solar panel. This article explains why.
Why Some Homeowners Install Tilt Frames ?
In Australia, the best direction you should face solar panels is the North. The goal is to capture the sunlight at 90 degrees. However, the issue is that the sun does not stay in one place, and the angles change from summer to winter.
What the Reality Is of Installing Solar Tilt Frames ?
It’s best to understand why it’s not necessary to install tilt frames by comparing what they have to offer against flat roofs.
Choosing an 8.2kW inverter and 7.2kW panels that are tilted north will cost you about $8700. In addition to that, you’ll have to spend $50 on a tilt frame for every panel. With such a system, you could expect:
- power production of 10380kW per year
- minimum annual savings of $1400
- maximum annual savings of $2800
- expected annual savings of $2100
- 4.1 payback period
- expected annual savings of $2100
- 4.1 payback period
Choosing a 10kW inverter and 9.9kW panels that don’t have tilt frames will cost you about $9200. With such a system, you could expect:
- power production of 12636kW per year
- minimum annual savings of $1700
- maximum annual savings of $3400
- expected annual savings of $2500
- 3.7 payback period
In a nutshell, no tilt frames are a more affordable option. You can spend that extra money on adding more panels to your roof.
When to Consider Tilt Frames ?
Tile frames for solar power systems in Australia can be useful in certain situations. Here are some examples.
Self-Cleaning in Rainy Climates
In rainy climates, tilt frames can be useful because they allow for self-cleaning. Water may accumulate on flat roof panels and may cause potential induced degradation (PID). That said, self-cleaning is not a significant issue as the dirt accumulation is not very different between n tilted panels and flat ones.
When You Can’t Add More Panels
If you have limited space on your roof and cannot install more panels, tilt frames can prove useful. It will also be necessary if trees provide shade to some parts of your roof. In addition to that, you may need tilt frames if you live in an Energex area where you’ve already reached the maximum capacity for solar panels.
Last Few Words
Other than a few exceptions, there is no real need to use tilt frames on your solar panel. It only drives the overall costs up of your solar power solutions, and it can ruin the appearance of your home. For information on solar power solutions in Australia, contact Suntek Energy !
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