Solar PV Installations (Northern Ireland)

lfabargain

I was considering getting solar pv panels installed on my roof but can't understand the generation figures. I know that Northern Ireland doesn't have the feed in tariff scheme but there is a different scheme here http://powerni.co.uk/saving-energy/renewables/sell-your-electricity/ called NIROC. I have to admit that I read it but due to my simple brain I don't fully understand it. Anyone in NI have a solar pv installation and could provide me with some examples or indeed any other kind soul understand and translate the powerni webpage and put it into extremely simple terms for me ?

For info my bill states that I use on average 5-6kWh per day. The current powerni cost per unit is 16.97p.

I was considering installing a 6kW system.

What I don't understand is that there is a figure for

(A) "Current single rate export tariff" of 6.39p/kWh. I am assuming this is the rate I would get for any unused electricity exported to the grid.

(B) But there is then a NIROC (Northern Ireland Renewable Obligation Certificate) value of "1 ROC for generators up to 50kW - 4.3p/kWh". Not sure if this is added to the figure in (A) for any unused electricity ??

(C) There is also a statement that some stations made get the higher rate of "Up to 50kW 4 ROCs 17.22p/kWh"

All very confusing (at least for me :huh: ). Any thoughts or examples appreciated.

Thanks

Fruit_and_Nut_Case

Since you haven't had any replies, perhaps it would be worthwhile putting a link to this thread in the NI board. I don't think it would be seen as spamming.

jtq

What I don't understand is that there is a figure for

(A) "Current single rate export tariff" of 6.39p/kWh. I am assuming this is the rate I would get for any unused electricity exported to the grid.

(B) But there is then a NIROC (Northern Ireland Renewable Obligation Certificate) value of "1 ROC for generators up to 50kW - 4.3p/kWh". Not sure if this is added to the figure in (A) for any unused electricity ??

(C) There is also a statement that some stations made get the higher rate of "Up to 50kW 4 ROCs 17.22p/kWh"




Reply

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a) Yes correct - although you need to be a customer of powereNI (i.e. not airtricity or budget energy) to export as only powerNI has the facility to import electricity.



b) For each kWh of PV electricty you produce you get 4 rocs (each roc is worth 4.3p/kWh) so thats 17.22p and if you export this you will get a further 6.39p (if you can try and use the surplus constructively for example install a controller that will use any surplus power to heat the immersion heater etc as it is not worth a lot exporting it)

c) Yes - 4 ROCS for each unit produced providing its PV and system below 50KW.

Hope that helps