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Hi Opaline.This will give you a guide as to how Enel calculate the bill. It is based on the latest pricing structure, but you would have to check at the beginning of each month for any changes.I have broken it down into daily kw allowances to try and make it easier for you to calculate everything.1) Up to 4.9 kw per day @ 0.14489 cents per kw.2) Next 3.4 kw per dayÌýÌý @ 0.16397 c.p.kw3) Next 4.9 kw per dayÌýÌý @ 0.21275 c.p.kw4) Everything overÌýÌýÌýÌýÌýÌýÌýÌýÌýÌý @ 0.27424 c.p. kwThe above rates do not include the 10% IVA, or the fixed supply charge of 3.75 euros, plus the per kw supply rate of 1.18 euros per month. Probably, the easiest way to calculate is to divide the number of kw consumed by the number of days stayed and then use the above to work out the cost. ÌýÌý

Opaline.It is quite difficult to calculate Enel costs, as the kw cost does sometimes vary from month to month. They now use different consumption charges averaged out on a daily basis over the year. If you know what tariff you are on then it is possible to get a very close costing based on the meter reading at start and finish of the letting period.If you let me know the tarriff code and supply kw, plus whether it is an off peak supply (bioraria) I may be able to give you some guidance based on current rates.Otherwise, here is the link to their charging basis as of August.Hope this helps 

Have just been reading about this new virus threat for wireless modems. May be worth watching out for!!!!

Thanks, Sablanico for your answer. I have a client who was interested in having a PV installation to operate their already installed geothermal unit. 17Kw output, with 3.7kw input for underfloor heating @35c, and hot water. Total set energy consumption approx 7kw, so therefore min 6kw required with electricity backup.From what you have said earlier, in quotations below, then it would be helpful to know the " twists " involved. "Then you'll have to pay for your electricity as always, but if your electricity bill is above 810 euro/year, it may be more convenient to use the net-metering, since it means that you buy at a higher price than you sell...but I'm not into the twists of calculating this."I apologise if I sound a little negative, but I am also sure that many more people in the community would appreciate more clarification, as obviously a PV installation involves a very high expenditure.

Sorry, should have put the standing Enel supply charge is just over E1.00 per Kw per month.On your figures,9 kw of panels. cost 50k. Enel pay me 4k approx for the 9 kw that I supply them with per year. My normal electricity cost is 2.5k per year, so I make in theory after my use, 1.5k.p.a.I still have a electricity bill to pay, albeit at lower cost than what I am getting back for the supply.Therefore over the 12 years to the break even point, I have made 18k in theory . Then the next 8 years are still going to be approximately the same as consumption will not change substantially, so another 12K. On that basis the 50k initial investment is then still not fully returned. As the life of the panels are say 20 years, then it would be obvious that replacement costs are again going to be high, so then we start all over again with possibly not such good supply incentives.Please correct me if I am wrong on this.ÌýÌý

Last year, I used 9990 Kw, I know that I could drop down to a 9 Kw supply if I wanted to, but the cost is in no way warranted with the PV installation costs. It is only just over E1.00 per month for every KW supplied by Enel. By your calculations to reach the same generated amount from PV, then I would need probably the same minimum in PV panels and that gives room for very little variance in increased use. Pump uses 2.1Kw when operating, plus either 3/6/9 Kw electric backup if needed. I only have 3Kw set, to allow for peak water heating to prevent legionnaires bacteria breeding.Costwise therefore, I would not gain anything, as I would use virtually the total generated power each year, but with an expenditure of in excess of E40000.00.

From some of the research that I carried out when looking into PV systems, it seems like the inverter is the part most likely to fail. They seem to only have a life span of anything between 5-12 years and can be quite expensive to replace.E 10000.00 is a lot of money to pay out for 1.5kw. We have a 15Kw 3Phase supply here, that runs a geothermal heat pump and all the house is electric. Enels bills for last year totalled E2500, cost breakdown approx 50/50 between domestic use and heat pump.To get the same supply with PV would cost a fortune and by the time of break-even I would probably be pushing up the daisies!!!!

I think you may lose some of the gain from the pension service exchange rate by the bank charges in Italy, unless, as said before you can get a good deal with your bank over here. We have ours paid in the UK and then transfer into a Nationwide account, withdraw from the Post Office Bancomat and therefore get current rate with no ½ûÂþÌìÌà bank charges on the electronic deposit into an account here. If needed, you can then deposit Euros in cash into you ½ûÂþÌìÌà account, the bank does not charge a fee, ( or at least ours doesn't).

This is a good site, that will give an estimated cost per Watt of Panels. Multiply by 1000 to get the per Kw supply average. You may be able to get better deals, but this is a good guide.Estherina, if this is to overcome the electricity supply problem from an earlier post, then it would probably be as cheap to have a cable put underground ( depending on the distance ), to solve your neighbours objections.

Hi Miriam, Yes it is me, as Adriatica rightly said. You already have my contact details. Always pleased to answer questions within the community on the subject, so that others can also gain information.