Blog - Solar panels

How much energy is needed to warm water?

The answer is in this formula:Energy [kWh] = (Tdiff * 4180 * Litters) / 3600000

If you have1 kg of water (=1 liter)and you wish to warm itby 1 degree Celsius, you need to use0,00116111 kWhof energy.

If you have1 kg of water (=1 liter)and you wish to warm it

16.Feb 2021
| Blog - Solar panels

Totally off-grid - fresh water pumping

This photo shows the very first part of the solar installation at theCzech Sustainable House (CSOD)project.

This is a completely off-grid installation oftwo solar panels (36 cells 160Wp), that run the water pump in the drilled well. The main purpose of this installation was to pump th

15.Feb 2021
| Blog - Solar panels

The Elerix Shingled Solar Panels 135Wp

You can see the difference - a regular solar panelwith 36 solar cells(on the right) provides around 105Wp. The Elerix shingled solar panel of the same size provides 135Wp - it has 4x 32 = 128 cells.

The Elerix shingled solar panel is fully black with a black frame an the fully black solar c

01.Feb 2021
| Blog - Solar panels

The ELERIX Shingled Solar Panels - The Technology Design

In previous postings, GWL/Team has provided basic details about theELERIX Shingled panels technology

There are additional key benefits of the Shingled panel technology.

Parallel flow of the electric ener

01.Feb 2021
| Blog - Solar panels

Czech Sustainable Houses Project – Panels on the Roof ...

The video from the installation of the 48 pieces of. The total of15.8 kWpon the roof.


08.Dec 2020
| Blog - Solar panels

GWL/Sunny Solar Panels 4xPACKs

This is the photo of the packing for the 4xPACKs of the solar panels.

Check the offer for.

02.Dec 2020
| Blog - Solar panels

They are real…. GWL/Sunny solar panels

The photo of thepacking. These panels were installed inside the CSoD Project.

26.Nov 2020
| Blog - Solar panels

The Panels on the Roof

This is a a photofrom 7/2020showing the final result of the installation of solar panels on the roof of the CSoD Project. As you can see and count thre are 8 x 6 = 48 pieces of. The total of15.8 kWpon the roof.


23.Nov 2020
| Blog - Solar panels

Keep learning and keep exploring

In partnership with, the GWL/Team is supporting another installation using the. This will be a semi grid-tied and semi off-grid installation using the GWL/Power components.

The GWL/Team is happy to share and support this project. We will be following with more de

18.Nov 2020
| Blog - Solar panels

No Roof - No House

This is photo series from 6/2020 when the roof on the CSoD Project was installed. Please note that the photos show only the northern roof, that is facing towards the forest. That is why there are no solar panels on this side of the roof.


Photos by Petr Toman. Thank you!

27.Oct 2020
| Blog - Solar panels
18 visitors online.
All Rights reserved © 2021 GWL a.s. - GShop v. 1.4.6