Tuesday 11 April 2023

Energy performance of buildings

 

With the aim of modernise the building stock, the EU policy-makers would like to reduce  emission in the next years in the building sector. The EU green building legislation aim to improve insulation and energy efficiency broadening its focus on zero-energy buildings, due to the fact that energy prices have been rising since the begnnning of the Ukraine-Russia war. in this perspective, in late March this years, EU lawmakers and leaders, who previously saw little attention on this topic, last month reached a provisional political agreement to reduce final energy consuption at EU level by 11.7 % in 2030.


On the one hand, EU Member States can exempt certain buildings, such as cultural heritage or historic buildings, from obtaining minimum energy performance standards. On the other hand, the requirements laid down in the energy performance of buildings Directive do not prevent any EU country from maintaining or introducing more stringent measures.



With regards to generating electricity directly from sunlight, the above picture shows a photovoltaic plant in the Atacama desert in Chile. My son took the picture last week.

Have a nice week ahead of you! 

20 comments:

  1. Hi Giorgio! There is a craze for energy reduction in Poland, too. The problem is that in Poland many people can't afford photovoltaics, for example. Another problem is that we have realistically little sunshine. Practically half the year (or more) is autumn, winter, short days and ugly weather.
    Giorgio my good friend I salute you!

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    1. Hello dear friend, Anna!
      You're right about little sunlight in Poland and other Northern countries, such as Denmark and Finland, due to the fact that, at higher latitudes, the sun’s rays strike at a lower angle. And this means that the solar energy spreads over a wider area.
      I think the amount of sunlight hitting all the points of the earth surface are the same, but solar radiation to the equator
      is concentrated over a smaller ares. This means that some countries, such as Indonesia, Brasil, Equador and Kenia, have a big potential in solar energy because they're located in the equator line.

      With regards to people who can't afford photovoltaic, I think Poland's government should support funding opportunities on photovoltaics.

      Have a nice week ahead of you, dear friend :-)

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  2. It cost me quite a bit to install mine at home. It turns out not much saving either

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    1. I have heard that the U.S. government supports funding opportunities on photovoltaics.

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  3. ...we need to rethink our energy consumption.

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    1. Actually, we have been taking energy for granted.

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  4. Amazing photo from your son :-D

    They are installing these in Scottish homes now. Which I cannot understand as we do not get a lot of sun! And they cost so much and don't really pay off.

    Prices are rising here and people are struggling so much and scared.

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    1. Hello, Ananka.
      My son took that picture last week while he was in Chile. He went there for job, as an Italian company built a 450-hectare solar photovoltaic plant, which generates electricity using solar energy. Atacama desert is perfect for photovoltaic plant, because that part of Chile has one of the highest levels of solar radiation in the world.

      Energy 's prices are rising here in Italy too, as the annual inflaction rate has been rising to 8% since early 2022.

      Thank you for sharing information about your country :-)

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  5. tra una settimana mi starò dirigendo verso l'ospedale...

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    1. Quindi il tuo ricovero è previsto per il 20 aprile.
      Dai, in poco tempo risolverai e non avrai più questo pensiero.

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  6. Hello, Giorgio! We have a lot of gas, oil and electricity in Russia.
    We sell them to China, India, Turkey, Hungary and other friendly countries.

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    1. Hi, Irina!
      I know Russia exports a lot of oil and gas to China, India, Turkey, Hungary. I think Russians also export oil and gas to Iran. With regards to Hungary, the problem is that it is a so called landlocked country, and Russian gas transits mainly through the Turkstream pipeline, which allows Moscow to bypass Ukraine to carry Russian gas to southern Europe. Gazprom would ship natural gas to Hungary annually, via two routes: via Serbia and via Austria.
      Iran also will buy Russian gas through Azerbaijan.
      In addition, Russians are going to build a corridor that would connect India and Russia through Iran and Azerbaijan, bypassing the Suez Canal.

      Thank you for sharing your comment!

      Have a nice time, Irina :-)


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  7. What Europa wants to do is a shame. Buildings will lose their value and many families will be forced to sell, rectius to undersell, the house or their parents fast and within 2030. But it's not this way, the way to save the planet.

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    1. Hello, Daniele.
      Historic buildings' owners will be not obliged to comply with minimum energy performance standards. And new residential houses, which have been built since 2006, have already improved energy efficiency. Consequently, the problem is with regards to other buildings: if residential houses' owners were to sell their real estates, they would be obliged to comply with the EU directive. And this means that many homeowners could be forced to spend money if they want to sell their houses! This is not possible in terms of democracy, as many people can't sell their homes!
      I hope Italy's policy-makers will be able to pospone the implementation of the EU directive.

      Thank you for sharing your point of view, Daniele!

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  8. Een cierta forma es bueno por ayuda al medio ambiente debemos empezar a cuidar nuestro mundo .Además la energía va seguir subiendo. Pero tambien en cierta forma es malo. Los edificios pierden su verlo y siempre esta el costo de ponerlos. Te mando un beso,.

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  9. Our country has a suitable climate for solar energy and it has set a target to achieve 31% of its total power generation from renewables by 2025.

    Happy Friday, Giorgio

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    1. Setting renewable energy at 31% is a great target, Veronica! Thank you for sharing such interesting information about your country :-) ... actually, Malaysia has an average solar energy potential, mainly that part of your country located on the island of Borneo.

      I hope European Commission's policy-makers will do the same, as we (Europeans) have to alleviate Europe's dependency on Russian gas. But most importantly, photovoltaic panels can reduce carbon dioxide and other greenhouse gases that are released into the atmosphere because of burning of oil and gas.

      Have a nice day, Veronica :-)

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  10. many people love green energy, unfortunately, profit oil companies hate the proposal.....

    nice thought with beautiful images.

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    1. You are right, Tanza! Actually multinational companies involved in oil, natural gas and coal production couldn't be happy. But I know that the global energy sector is going to shift from fossil-based systems of energy production to renewable energy sources like wind and solar, as well as lithium-ion batteries 🔆

      Thank you for the appreciation 😊
      Have a nice weekend!

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