English
Česká republika
Germany
France
España
Italia
Sverige
Polski
NederlandBlog - Solar panels
The Price Development of the Poly Solar Panels 2013-2020
The graph shows the price and size development of the60 cell Poly solar panels from 2013 to 2020.
- The price of typical solar panel [red line]: in 2013/6#1)the most sold size was 240Wp with average price of $195, in 2020/6 the average size is 280Wp and the average price is $79.
- Size in
The GWL/Sunny promo - 280Wp panels make the hit
The GWL/Team has made a promotion for the selected models of the solar panels. One of the most demanded models is the“ordinary” 280Wp silver frame POLY panel. Check more details .
Four types of solar installations. Which one is the most...
Are you lost in the terminology of the solar installation types? Read our beginner's guide:
Grid-Tied Also known as “tied to grid”, or “grid-tie” system. This type of installation is aimed to make a profit by generating energy which is directly supplied to the grid. In some con
Q&A: How to size solar inverters?
Q&A: How to calculate the capacity of an inverter for a solar system?
As for the winter months, the average accumulated production of the panels corresponds to ca. 10–15% of its summer production. However, during the bright and freezing winter days, peak output caneasily exceed 120 % of the nomina
Reference using of micro-inverter and solar panels
A lot of our customers want to reduce the energy consumption of their house with an installed heat pump system by producing their own energy from the sun. It is possible to do it without making an expensive commercial installation, by using the energy only for self-consumption but still with co
Making small off grid power system
How to build a small off-grid system and select the right components? This is a very common question we get from our customers. Do you havea small cottage or weekend caravan? Are you somewhere without a connection to the grid? To have electricity nowadays is an indispensable need – a smal
A combined Energy solution - Alfons container
A combined Energy Solution - Alfons Container
GWL/Power supplied the Winston Battery cells for the integrated hybrid energy solution called“Container Alfons”. This solution integrates the energy from three sources - solar, wind and a backup diesel generator.
Be sure to contact GWL/Power for more details and for the reference
The GridFree inverters for the energy solutions
The GridFree inverters for the energy solutions
for energy self-generation.
Multiple solar panels - use whatever you have
Multiple solar panels - use whatever you have
It is ever more easy to get a second hand (or refurbished) solar panels. It is simple to use these for your energy solutions. Its is possible to combine various panels for one installation.
For grid-tied installations, we suggest to use the
