In addition when you seek polycrystalline solar panels for sale the sellers may highlight the blue hue of these panels compared to the monocrystalline panels black hue.
Solar panel area per kw monocrystalline polycrystalline.
Both of these are mono solar panels.
The efficiency of polycrystalline solar panels is somewhat lower but the benefit for customers is that this option is more affordable.
As solar technology and manufacturing has improved the price difference between polycrystalline and monocrystalline panels has shrunk.
In addition polycrystalline solar panels tend to have a blue hue instead of the black hue of monocrystalline panels.
According to the lawrence berkeley national laboratory monocrystalline solar panels sell for about 0 05 per watt higher than polycrystalline modules.
This makes monocrystalline solar panels suitable for places where there is a space crunch and more power per unit area is required from the panel.
Polycrystalline solar panels generally have lower efficiencies than monocrystalline options but their advantage is a lower price point.
Astronergy 285w solar panel.
225 315w 71 cents watt.
Going with mission solar would mean fewer panels in your array but the overall system will cost more due to the higher cost per watt on the panels.
For instance a polycrystalline 100 watt solar panel can give you efficiency at the rate of 17 maximum while its monocrystalline counterpart at the same rating can deliver up to 19.
Mission solar 315w solar panel.
If we take california as an example the map shows that on average 1 kw of dc peak capacity of solar panels produces 4 5 kwh per day or 1642 kwh per year.