It's kinda good that the panels were installed just before midsummer. It means I have the joy of quickly seeing how much they can make when the Sun is at its highest in the year. Come the week after next, the days start to get shorter as we head towards winter. Cheery, aren't I?
So to this final weekly report on the system's output. I'll change to monthly updates after this. Here's the results:
Day 22: 5.2
Day 23: 15.0
Day 24: 21.3
Day 25: 16.5
Day 26: 17.2
Day 27: 11.2
Day 28: 14.7
The highlight is day 24. Being so near to the summer solstice, 21.3 units might represent the very highest the panels can reach - unless we get a belter of a day in the next week or two. Also, there was one fully overcast day. It's interesting to note that the week includes what appear to be a minimum and a maximum day, and that one appears to be a quarter of the other. Overall, the week's performance was pretty good with 101.1 units generated, yielding £41.75.
Once again, the average daily generation has risen; it's now 13.76 units a day since I started. My hope is that by 18 May 2011, and having gone through winter, it will be above 6.85. 11 months to go. In six months, I'll be finding out what the generation is like over the winter solstice.
Let's look at the total generation each week. This will smooth out some of the daily variations:
Week 1: 92 kWh
Week 2: 93.6 kWh
Week 3: 98.5 kWh
Week 4: 101.1 kWh
So that's a gentle rise as we head towards the solstice, and indeed, one wonders whether 100 units are about as much as the system will be able to produce in a week.
I phoned EDF to check on the progress of my contract for the payment of the Feed-in Tariff. They say it's all progressing well and I ought to hear from them in about 2 weeks. Also, now that I have a receipted invoice from Installation Company, that has to be sent to Energy Saving Scotland as proof of purchase. Meantime, I'm well chuffed with my system and it's ticking along well. Unless there is anything else to report, I'll be back in a month.
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