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Forum: Portugal

May 3rd 2019, 9:27 pm

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

I agree about the heat pump - air-source are not as efficient as ground-source, but are cheaper to install and can be used as air-conditioning in summer. Don't buy anything "unbranded", because...

Forum: Portugal

Jul 14th 2018, 4:03 pm

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

The panels in the picture look photovoltaic and they are set at quite a shallow angle. The info I've given is for water - BUT, you have 2 possible issues, firstly the panel (what size?) will be...

Forum: Portugal

Jul 13th 2018, 10:13 pm

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

Thanks for the confirmation ..... good to know the memory is still functional. HOWEVER, I had soooooooo many arguments about this, particularly with a civil engineer, Sr.Engenheiro insisted that 30...

Forum: Portugal

Jul 13th 2018, 7:18 pm

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

I think I remember the "loss" from facing 90 degrees from due South being about 20% (I stand to be corrected, it's not my field), so it seems to me that a larger panel size could compensate for the...

Forum: Portugal

Jul 13th 2018, 10:43 am

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

I'm certainly no technical expert, but, in researching these things always consider whether the best technical solution is the best practical solution. In Portugal, the abundance of sunlight means...

Forum: Portugal

Mar 10th 2017, 12:52 pm

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

AFAIK - As Far As I Know, fairly standard I'd have thought....

With regard to the meters, EDP will change them on a regular basis (mine was changed last year), but even the old one was digital so...

Forum: Portugal

Apr 7th 2016, 1:15 pm

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

So, it sounds like putting the collector at its "Winter" inclination could benefit you....... it's a one-off change. Good luck!

Forum: Portugal

Apr 7th 2016, 11:30 am

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

I'm in the Alentejo, so don't see so much new build.:cool:

PV makes sense if you have a specific constant daytime usage for it, it's the storage, night-time use, high-demand usage, etc. that makes...

Forum: Portugal

Apr 7th 2016, 9:21 am

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

Agree - local storage of electricity is high cost and beset by issues, so only by feed-in and an offset on prices does PV become a practical investment. However, I thought that whilst with smaller...

Forum: Portugal

Apr 5th 2016, 9:18 pm

Replies: 147

Solar Power

Views: 26,381

Posted By macliam

Re: Solar Power

Elon Musk (of Tesla cars) is planning to sell batteries specifically to store solar-generated electricity. This is a spin-off from the investment in efficient battery technology he is making to power...

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