Viessmann's Vitobloc 300 NG 15 and NG 20 CHP units generate between 15 and 20 kilowatts of electrical output. With integral condensing technology, they deliver an overall efficiency of up to 107 per cent (based on calorific value).
Schletter presents a new version of the Tracker, which has been specially optimised for the use of large-format modules. The compact system requires less material per kilowatt of output.
The free Enerest To Go app shows production and consumption values of the solar system on the smartphone. If an error is detected by the Solar-Log Web Enerest 4 Portal, the app informs the user.
With the EP Cube, Canadian Solar's subsidiary CSI Solar is presenting an all-in-one energy storage solution for residential applications in combination with residential solar photovoltaic systems. (mfo)