Data Collection

katie · Post by **katie** » 21 Oct 2010, 18:16

Does anyone else keep a record of their solar energy production?
Since I had mine fitted at the end of August, I record morning, noon & evening levels and also the daily production total. I hope that this info may be of interest to people in my area if they are considering solar panels. The data I got from http://re.jrc.ec.europa.eu/pvgis/apps3/pvest.php is a good guide but I find that I'm producing more that their stated averages

I'm curious to see a comparison between the average and my production after a few years - if I can keep going with the data collection.

Katie

biffvernon · Post by **biffvernon** » 21 Oct 2010, 21:09

I record daily totals - but not three times a day!

Date Generated today/kWhr
15/09/2010 2.98
16/09/2010 8.66
17/09/2010 15.18
18/09/2010 10.57
19/09/2010 5.15
20/09/2010 11.2
21/09/2010 15.64
22/09/2010 14.06
23/09/2010 9.41
24/09/2010 3.26
25/09/2010 7.75
26/09/2010 2.49
27/09/2010 1.05
28/09/2010 5.04
29/09/2010 1.69
30/09/2010 16.8
01/10/2010 2.38
02/10/2010 14.68
03/10/2010 2.02
04/10/2010 7.17
05/10/2010 6.78
06/10/2010 9.51
07/10/2010 15.3
08/10/2010 2.99
09/10/2010 3.23
10/10/2010 16.28
11/10/2010 7.39
12/10/2010 4.4
13/10/2010 3
14/10/2010 5.53
15/10/2010 3.77
16/10/2010 11.56
17/10/2010 13.39
18/10/2010 4.72
19/10/2010 10
SUM 275.03
AVERAGE 7.86

RenewableCandy · Post by **RenewableCandy** » 22 Oct 2010, 17:01

I only do weekly totals. August ths year was particularly bleak.

09/08/2010 15.90
16/08/2010 38.16
23/08/2010 42.28
30/08/2010 37.54
06/09/2010 43.49
13/09/2010 39.60
20/09/2010 22.15
27/09/2010 29.80
04/10/2010 11.06
11/10/2010 29.42
18/10/2010 28.28

Janco2 · Post by **Janco2** » 22 Oct 2010, 17:12

We haven't got solar pv but we do have wind power and we have kept daily figures for total generation, export, import and used on site since early in 2007 when we first had the system.

It's very interesting to look back on and compare months and years.

katie · Post by **katie** » 22 Oct 2010, 18:01

Janco2 wrote:We haven't got solar pv but we do have wind power and we have kept daily figures for total generation, export, import and used on site since early in 2007 when we first had the system.

It's very interesting to look back on and compare months and years.

That's what I thought.

Maybe I will just do once daily readings now.

Katie

Kontiki · Post by **Kontiki** » 28 Nov 2010, 22:56

While giving the readings gives some idea it really a bit meaningless & needs more information such as the size of your array & the approx. direction. I've put mine in my signature. I keep a daily record of my readings at the moment but I can download these via bluetooth from the Sunnyboy display or even direct from the inverter using the free Sunnyboy Explorer program.