We'd like to remind Forumites to please avoid political debate on the Forum... Read More »
We're aware that some users are experiencing technical issues which the team are working to resolve. See the Community Noticeboard for more info. Thank you for your patience.
📨 Have you signed up to the Forum's new Email Digest yet? Get a selection of trending threads sent straight to your inbox daily, weekly or monthly!
Do you clean your panels?
Options
Comments
-
QrizB said:Could you share the "past payments" screen for 2021 and 2020?Are those bars meant to be quarterly? Some quarters are missing. And December 2021 seems to have a very tall bar for a winter quarter!
2018 - £226
2019 - £241
2020 - £259
2021 - £244
0 -
Lastonestanding said:QrizB said:Could you share the "past payments" screen for 2021 and 2020?Are those bars meant to be quarterly? Some quarters are missing. And December 2021 seems to have a very tall bar for a winter quarter!
2018 - £226
2019 - £241
2020 - £259
2021 - £244The centre column on this bit:N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill member.
2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.Not exactly back from my break, but dipping in and out of the forum.Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!0 -
2018- 1553 kWh2019- 1610
2020- 1693
2021- 15680 -
Lastonestanding said:2018- 1553 kWh2019- 1610
2020- 1693
2021- 1568OK, so if you're making about 1600kWh/yr, you should be at 800kWh for 2022 to date. But you're only at 492kWh.It's possible that you've got especially filthy panels but it seems more likely to me that there's some sort of fault.
N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill member.
2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.Not exactly back from my break, but dipping in and out of the forum.Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!1 -
I will see if my ladders will reach to clean the panels, ideally I should have the aerial moved.0
-
I would not be surprised if the panels have become faulty or degraded
https://forums.moneysavingexpert.com/discussion/6367022/dirty-solar-panels-warm-weather-lower-power-output/p5
“Don't raise your voice, improve your argument." - Desmond Tutu
System 1 - 14 x 250W SunModule SW + Enphase ME215 microinverters (July 2015)
System 2 - 9.2 KWp + Enphase IQ7+ and IQ8AC (Feb 22 & Sep 24) + Givenergy AC Coupled inverter + 2 * 8.2KWh Battery (May 2022) + Mitsubishi 7.1 KW and 2* Daikin 2.5 KW A2A Heat Pump0 -
I have had them cleaned, I got my ladders out, but I didn't have the right equipment.
He only quoted £20, he was there for more than 30 minutes. He was just going to use his pole, but after 5 years of bird poo, he got his ladders out.2 -
Lastonestanding said:I have had them cleaned, I got my ladders out, but I didn't have the right equipment.
He only quoted £20, he was there for more than 30 minutes. He was just going to use his pole, but after 5 years of bird poo, he got his ladders out.Hopefully this will help.I know (from experimenting on my array) that covering one cell on one panel with my hand can have a huge effect on output, more than you'd expect.N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill member.
2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.Not exactly back from my break, but dipping in and out of the forum.Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!0 -
QrizB said:I know (from experimenting on my array) that covering one cell on one panel with my hand can have a huge effect on output, more than you'd expect.0
Confirm your email address to Create Threads and Reply

Categories
- All Categories
- 350.9K Banking & Borrowing
- 253.1K Reduce Debt & Boost Income
- 453.5K Spending & Discounts
- 243.9K Work, Benefits & Business
- 598.8K Mortgages, Homes & Bills
- 176.9K Life & Family
- 257.2K Travel & Transport
- 1.5M Hobbies & Leisure
- 16.1K Discuss & Feedback
- 37.6K Read-Only Boards