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Renewables: "talking 'bout my generation"
Comments
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Oscargrouch wrote: »Hmmm, don't think so.....:rotfl: Often up on PVGIS but often down on other peoples O's so what do yea make of that....?
A/an Hawaii + 0.68 O's today.....
Only pondering, but might be down to the default losses on PVGIS climate. I was once told (3 years ago perhaps?) that these were a little high and suggested changing the default to 10% (from 14%). [PVGIS classic was even worse in my case.]
My ESE systems are affected by a chimney, but still come out pretty much on target, and the inverters are not very efficient (94% & 92%).
My WNW has a lot of shading, but tends to beat the target (just) but SolarEdge helps with the shading, and the inverter is very efficient (98%).
My worst year was 2012 with 99% of target, so I think the 'pessimism' of PVGIS balances out my shading issues .... possibly!
Mart.Mart. Cardiff. 8.72 kWp PV systems (2.12 SSW 4.6 ESE & 2.0 WNW). 20kWh battery storage. Two A2A units for cleaner heating. Two BEV's for cleaner driving.
For general PV advice please see the PV FAQ thread on the Green & Ethical Board.0 -
Answer is quite obvious : their panels are at a different location, maybe even pointing in a better direction. Ask them how their outputs compare to their PVGIS forecast.
Sorry, not sold...even if the figures that make up PVGIS take all the above into consideration, you have the human error factor....:eek:Martyn1981 wrote: »so I think the 'pessimism' of PVGIS balances out my shading issues .... possibly!
Mart.
Think I will stick with my installers projected Gen figures; chances are they are more exaggerated than under estimated....... being 818.4 O's per year (163 Hawaii's + .68 O's). First year did 974.4 O's; year two did 1005.32 O's; this year to-date have done 912.36 O's, with over two months to go....That'l do me Tommy....
2.96 O's today......:mad: 2.5 kWp PV system, SSW facing, 45 Deg Roof. ABB Inverter, Monitor: 'Wattson'.
Reg. for FIT Nov 2011. "It's not what you generate; it's how you use it that matters". One very clean Vauxhall Diesel Sri, £30.00 Road Tax:
Definition of 'O's = kWh/kWp (kWh = your daily & accurate Generation figure) (kWp = the rated output of your PV Panels).0 -
Oscargrouch wrote: »
Think I will stick with my installers projected Gen figures; chances are they are more exaggerated than under estimated....... being 818.4 O's per year (163 Hawaii's + .68 O's).
2.96 O's today......:mad:
I don't want to stick with my installers projected Gen figs of 3206 kWh:eek:
I made over 3500 kWh in 2013
Last year over 3600 kWh:rotfl:
Made 3.75 O's today:D16 Sanyo Hit 250s.4kWp SMA 3.8kWp inverter. SW roof. 28° pitch. Minimal shade. Nov 2011 install. Hybrid car. Ripple Kirk Hill. N.E Lincs Coast.0 -
Oscargrouch wrote: »:rotfl::rotfl: Give em a break, 18 yrs you'v had it; say 10 yrs prior to that, 28 yrs old.......probably a Z rated appliance....:D
2.36 O's today....:eek:
When did zeupater examine my old hotbox?
She never said anything! :cool:4kWp, SSE, SolarEdge P300 optimisers & SE3500 Inverter, in occasionally sunny Corby, Northants.
Now with added Sunsynk 5kw hybrid ecco inverter & 15kWh Fogstar batteries. Oh Octopus Energy too.0 -
Just back from Ibiza, wish i'd taken my panels with me, wall to wall sunshine for a full 12 hours a day, 7 days a week !!(sorry folks, had to leave the sun their for all the other paying holidaymakers...lol)
Anyhow, August shaped up as expected for me with my SSW hitting 103 O's.. that is above PVGIS target so not too dismayed.
First 3 days of this month so far is averaging about 2.5 O's, I've not checked my other systems as yet but would expect them to be pretty much along the same lines.2 kWp SEbE , 2kWp SSW & 2.5kWp NWbW.....in sunny North Derbyshire17.7kWh Givenergy battery added(for the power hungry kids)0 -
Just back from Ibiza, wish i'd taken my panels with me, wall to wall sunshine for a full 12 hours a day, 7 days a week !!(sorry folks, had to leave the sun their for all the other paying holidaymakers...lol)
Anyhow, August shaped up as expected for me with my SSW hitting 103 O's.. that is above PVGIS target so not too dismayed.
First 3 days of this month so far is averaging about 2.5 O's, I've not checked my other systems as yet but would expect them to be pretty much along the same lines.
Where's our rock? :rotfl:4kWp, SSE, SolarEdge P300 optimisers & SE3500 Inverter, in occasionally sunny Corby, Northants.
Now with added Sunsynk 5kw hybrid ecco inverter & 15kWh Fogstar batteries. Oh Octopus Energy too.0 -
When in Spain on holiday earlier this year we saw a huge solar energy farm next to the road. Makes a lot of sense, it was basically nothing but sunshine for 12 hours a day.
In home news, we installed a 3kW system 4 years 9 months ago and have generated 9800 units (aka over £4000 in FIT).0 -
2.8 O's for me today:D
Total fuel bill for Aug = £25.00 inc £13.00 S/Cs...now if I could just get rid of the S/C:idea:16 Sanyo Hit 250s.4kWp SMA 3.8kWp inverter. SW roof. 28° pitch. Minimal shade. Nov 2011 install. Hybrid car. Ripple Kirk Hill. N.E Lincs Coast.0 -
I don't want to stick with my installers projected Gen figs of 3206 kWh:eek:
I made over 3500 kWh in 2013
Last year over 3600 kWh:rotfl:
Made 3.75 O's today:Dtheboylard wrote: »Where's our rock? :rotfl:
You had a genuine installer then; as I did.....:T
2.2 O's today....
2.5 kWp PV system, SSW facing, 45 Deg Roof. ABB Inverter, Monitor: 'Wattson'.
Reg. for FIT Nov 2011. "It's not what you generate; it's how you use it that matters". One very clean Vauxhall Diesel Sri, £30.00 Road Tax:
Definition of 'O's = kWh/kWp (kWh = your daily & accurate Generation figure) (kWp = the rated output of your PV Panels).0 -
2.8 O's for me today:D
Total fuel bill for Aug = £25.00 inc £13.00 S/Cs...now if I could just get rid of the S/C:idea:
We got 3.59kWh = 1.49 O's
Got rid our standing charge by having our gas meter removed!!!
Not an option for most though. We have wood burners for heat and hot water.
Edwink
*3.36 kWp solar panel system,10 x Ultima & 4 x Panasonic solar panels, Solaredge Inverter *Biomass boiler stove for cooking, hot water & heating *2000ltr Rainwater harvesting system for loo flushing *Hybrid Toyota Auris car *RIP Pingu, Hoppy, Ginger & Biscuit *Hens & Ducks* chat thread. http://forums.moneysavingexpert.com/showthread.php?t=52822090
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