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Shared PV systems.

 
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Hairyloon



Joined: 20 Nov 2008
Posts: 14821
Location: Today I are mostly being in Yorkshire.
PostPosted: Fri Jan 06, 17 10:39 pm    Post subject: Shared PV systems.  Reply with quote    

My house is an end of terrace and as such does not really have a suitable roof for a PV system, but the terrace overall has a fine roof for the job.
Logically, it seems entirely sensible to share one large system: their consumption would tend to average out somewhat, but there would clearly be legal and suchlike other issues.

These do not seem insurmountable, but is this a problem that has already been dealt with comprehensively elsewhere?

OtleyLad



Joined: 13 Jan 2007
Posts: 2737
Location: Otley, West Yorkshire
PostPosted: Sat Jan 07, 17 7:58 am    Post subject: Re: Shared PV systems. Reply with quote    

Hairyloon wrote:
My house is an end of terrace and as such does not really have a suitable roof for a PV system, but the terrace overall has a fine roof for the job.
Logically, it seems entirely sensible to share one large system: their consumption would tend to average out somewhat, but there would clearly be legal and suchlike other issues.

These do not seem insurmountable, but is this a problem that has already been dealt with comprehensively elsewhere?


On the face of it, i would make a lot of sense (cheaper average installation). But I'd predict it being a bit of a minefield to get every household to join in. Some will be owners/renters and some owners/landlords more enthusiastic than others. Older households might well be less inclined to see the benefits to them in terms of return on investment.

Slim



Joined: 05 Mar 2006
Posts: 4721
Location: New England (In the US of A)
PostPosted: Sat Jan 07, 17 1:30 pm    Post subject: Reply with quote    

It's called community solar over here.
http://www.nrel.gov/docs/fy12osti/54570.pdf

The overarching theme is that a group is formed with some common connection, and a solar project is installed in a specific location.

Your trick seems to be forming the group based around the common location, yeah?

Hairyloon



Joined: 20 Nov 2008
Posts: 14821
Location: Today I are mostly being in Yorkshire.
PostPosted: Tue Jan 10, 17 12:06 pm    Post subject: Reply with quote    

Slim wrote:
Your trick seems to be forming the group based around the common location, yeah?

Yes.
Considering how uncooperative some people can be, perhaps the easier option is to buy up the whole terrace...

wellington womble



Joined: 08 Nov 2004
Posts: 14821
Location: East Midlands
PostPosted: Tue Jan 10, 17 1:40 pm    Post subject: Reply with quote    

Almost certainly. But there are community solar projects out there, although I've not come across any rooftop ones. I hear Solar Century are doing a few and would probably have a sensible input for you.

There is the FIT benefit, which would probably encourage most people, unless they are planning to be there very short term.

Hairyloon



Joined: 20 Nov 2008
Posts: 14821
Location: Today I are mostly being in Yorkshire.
PostPosted: Tue Jan 10, 17 1:42 pm    Post subject: Reply with quote    

wellington womble wrote:
There is the FIT benefit, which would probably encourage most people, unless they are planning to be there very short term.

The Fit payouts have been cut to almost nothing now haven't they? Barely worth the paperwork.

wellington womble



Joined: 08 Nov 2004
Posts: 14821
Location: East Midlands
PostPosted: Tue Jan 10, 17 8:43 pm    Post subject: Reply with quote    

Not sure what they are now, the solar people reckoned they were still worth doing, but they would.

Hairyloon



Joined: 20 Nov 2008
Posts: 14821
Location: Today I are mostly being in Yorkshire.
PostPosted: Wed Jan 11, 17 1:59 pm    Post subject: Reply with quote    

4.32p/kWh (max) for solar
7.68p/kWh (max) for hydro, which I'm a bit more annoyed about: I can't imagine they had a huge take up on that scheme.

https://www.ofgem.gov.uk/system/files/docs/2017/01/tariff_table_jan_16.pdf

dpack



Joined: 02 Jul 2005
Posts: 33017
Location: yes
PostPosted: Wed Jan 11, 17 9:14 pm    Post subject: Reply with quote    

quite a bit less than for nuclear if one takes the potential for end of use costs into account as well as per kwh and the front end and in use financial arrangements.

the water one might be relevant to otley lad's plans though as using spare wind to pump water uphill rather than selling spare electric then selling the spare electric from the turbine would add value so long as the "loss" of that system is under 30% .

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