How long does SolarEdge inverter store data without internet connection??

jimmyboy420

Just thought some of the many solaredge chaps here might know

I have no internet until 25th August. I don't want to lost my data, so wondeing how long it's stored for before the SolarEdge inverter "forgets" and can't upload it to the website?

I'm hoping it's at least a week - I can probably connect up on a weekly basis.

Martyn1981

I think it's 1 month (perhaps 28 days). One of my TP links failed, and when I got a new set it restored about 1 month.

[Edit: Following on from what Dave has said (next), my system went down Nov to Jan, so my experience would fit his description, shorter solar days, more days stored. M.]

Mart.

Dave_Fowler

jimmyboy420 wrote: »

Just thought some of the many solaredge chaps here might know

I have no internet until 25th August. I don't want to lost my data, so wondeing how long it's stored for before the SolarEdge inverter "forgets" and can't upload it to the website?

I'm hoping it's at least a week - I can probably connect up on a weekly basis.

I lost internet connection on 1st June this year and did not get it restored until 28th June. The inverter stored the data from 15th June to 28th June. It lost all the data from 1st June to 14th June. The inverter probably stores a certain number of data points, so in the middle of the year when there is a long 'production' time, there will be many points per day, whereas in winter there will be fewer. Looking at the data plots, I would expect that no points are stored whilst the inverter is asleep.

Fortunately I left the Owl monitor running on the generation cable and so was able to use that data. The version of the Owl I've got connects to a USB computer port and stores the complete data set for one month (and the daily figures which are greater than one month old even when the computer is off).

Provided the computer is turned on once every 30 days to capture the data, complete minute by minute data is available from the day the Owl is installed. I find the Owl matches the generation meter readings to better than 2%. Provided you have set the voltage reading to match the actual average mains voltage, the 'power' reading is true Watts as the power factor of the generated power is 1.

HTH
Dave F

Fruit_and_Nut_Case

Just to add another data point. My system had been up and running for a month or so before the ZigBee interface was installed. When it eventually connected to the Internet, only the most recent couple of weeks of data had been retained.

jimjames

It's interesting to see the difference between inverters. My SunnyBoy still appears to have data going back to installation in 2011.

jimmyboy420

Thanks guys,

I have managed to find a reasonable way of connecting up my inverter to the internet for brief periods of time, with no significant expense.

Inverter-->Network cable-->Network switch-->Network cable--> Laptop-->wirless internet connection sharing-->mobile phone with portable hotspot enabled.

It's not a long term solution, but it works for now.

This means I can connect just every couple of days and there's no big problem

Thanks for the reassurance!