How much tilt should photovoltaic panels have to be to be effective

To optimize performance, tilt your panels at an angle that is 10-15 degrees less than your latitude. For example, if you live at a latitude of 40 degrees, set your panels at about 25-30 degrees. [pdf]

Vensys energy ag Pitcairn Islands

Vensys Energy AG (stylized as VENSYS) is a German gearless wind turbine manufacturer which is majority-owned by Chinese turbine manufacturer . Vensys licenses its products to several non-European manufacturers of wind turbines. In addition, Vensys itself manufactures plants on a small scale at its. [pdf]
[FAQS about Vensys energy ag Pitcairn Islands]