We'd like to remind Forumites to please avoid political debate on the Forum... Read More »
📨 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!
Solar Generation - Forecasting vs Actuals
Options
Comments
-
Solarchaser said:In month of Jan my 6.6kw e/w system managed 70kwh.
I'm a fair bit further north, but essentially what I'm saying is Jan is a chappy month regardless.
Wait till you get to April...
This January was "extra" crappy... but re my first reply annually not a lot in it
3.995kWP SSW facing. Commissioned 7 July 2011. 24 degree pitch (£3.36 /W).
17 Yingli 235 panels
Sunnyboy 4000TL inverter
Sunny Webox
Solar Immersion installed May 2013, after two Solar Immersion lasting just over the guarantee period replaced with Solic 200... no problems since.
13 Feb 2020 LUX AC 3600 and 3 X Pylon Tech 3.5 kW batteries added...
20 January 2024 Daikin ASHP installed1 -
If it helps this shows the generation over the last 10 years from my 3kWp system in SE England. The numbers at least show the difference between the months which may be of use. It's probably about as high as you're likely to get as we're virtually south facing with zero shade and good panel angle.
http://solar-panels-review.321web.co.uk/index.php/solar-power-month-by-month
Remember the saying: if it looks too good to be true it almost certainly is.2 -
The PVIS in my case is very close to realityPVIS expectation for January is 120.9 the average over 10 years 119.75
3.995kWP SSW facing. Commissioned 7 July 2011. 24 degree pitch (£3.36 /W).
17 Yingli 235 panels
Sunnyboy 4000TL inverter
Sunny Webox
Solar Immersion installed May 2013, after two Solar Immersion lasting just over the guarantee period replaced with Solic 200... no problems since.
13 Feb 2020 LUX AC 3600 and 3 X Pylon Tech 3.5 kW batteries added...
20 January 2024 Daikin ASHP installed1 -
Thanks everyone for your responses. Gives me confidence that things are on the right path 👍
Regards, CT12.71kW PV system - 33 panels of JA solar JAM60S20-385/MR facing S-E(18) / N-W (15) with Growatt SPH-6000 and Growatt MIN 6000TL-X inverters, 4 ML33RTA 3.3kWh batteries, Shinephone monitor app and Solar iBoost+. All in the historic, grand old city of Milton Keynes.
3.84kW PV system - 16 panels of Sharp ND-R240A2 facing SE with SMA 4000TL inverter, Geo II monitor and Solar iBoost. All in the historic, grand old city of Milton Keynes.3 -
East/West systems are always going to be worse in winter due to the low sun. You're just not getting much sunlight on the panels until the sun gets a little higher in the sky.1
Confirm your email address to Create Threads and Reply
Categories
- All Categories
- 351.1K Banking & Borrowing
- 253.2K Reduce Debt & Boost Income
- 453.6K Spending & Discounts
- 244.1K Work, Benefits & Business
- 599.1K Mortgages, Homes & Bills
- 177K Life & Family
- 257.4K Travel & Transport
- 1.5M Hobbies & Leisure
- 16.1K Discuss & Feedback
- 37.6K Read-Only Boards