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In France, All Large Parking Lots Now Have To Be Covered By Solar Panels (electrek.co) 288

AmiMoJo writes: In France, solar just got a huge boost from new legislation approved through the Senate this week that requires all parking lots with spaces for at least 80 vehicles -- both existing and new -- be covered by solar panels. The new provisions are part of French president Emmanuel Macron's large-scale plan to heavily invest in renewables, which aims to multiply by 10 the amount of solar energy produced in the country, and to double the power from land-based wind farms. Starting July 1, 2023, smaller carparks that have between 80 and 400 spaces will have five years to be in compliance with the new measures. Carparks with more than 400 spaces have a shorter timeline: They will need to comply with the new measures within three years of this date, and at least half of the surface area of the parking lot will need to be covered in solar panels. According to the government, this plan, which particularly targets large parking areas around commercial centers and train stations, could generate up to 11 gigawatts, which is the equivalent of 10 nuclear reactors, powering millions of homes. Public Senat writes that stipulations were put into place excluding parking lots for trucks carrying heavy goods or parking areas in historic or protected areas, to avoid "distorting" them, according to an amendment to the bill.
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In France, All Large Parking Lots Now Have To Be Covered By Solar Panels

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  • by sinij ( 911942 ) on Wednesday November 09, 2022 @01:14PM (#63038687)
    France just created a market demand for ineffective but very cheap solar panel-like roofing material.
    • The applications to declare areas a historic site are about to go way up.
      • by sinij ( 911942 ) on Wednesday November 09, 2022 @01:29PM (#63038729)
        Yes, in a surprising turn of events turns out Charlemagne parked all over France.
        • by saloomy ( 2817221 ) on Wednesday November 09, 2022 @02:50PM (#63039001)
          They have 5 years to be in compliance, half the spaces have to be covered for lots starting at 80 spaces, and the efficiency of the panels has to meet efficiency standards. Not sure what "efficiency standards" are in France. This seems like a good idea overall. The solar panels will produce energy that should more than offset the costs, and will bring about shade to cars, which will help them last longer (at least their paint and interiors). This also will help them produce more energy for the coming transition to EVs. However, I am generally not a fan of government regulation, and this seems like overreach to me..
          • I see a rush to limit parking lots to 79 spaces, and existing parking lots to reduce their size to reduce the area they must cover in solar panels. Turn half the parking spaces into a playground, save 10,000 Euros on fewer solar panels. The parking lot can be enlarged again when the panels prove they generate revenue.

          • I have never understood this logic.
            All of the things involving this new law looks great.

            But I hate regulation so I would vote no.

            You do understand that nothing positive will come out of the financial ruling class unless we make a law to force them.

      • by test321 ( 8891681 ) on Wednesday November 09, 2022 @03:26PM (#63039125)

        The applications to declare areas a historic site are about to go way up.

        Extremely unlikely: 1) Any known multi-century monument eligible for Historical Monument protection would already have been listed ex-officio by the local Mayor, district governor or any similar public authority.

        2) Any person owning any visible landmark monument has probably fought with all their power against having ugly parking lots and commercial centers kilometers away from the place, and the local Mayor would certainly agree with them and never have issued construction permit for some idiotic shopping center close to there.

        3) Any person owning a terrain with a statue, archaeological megalithic remains etc. that has managed to evade the protection of Historical Monuments until now, certainly has a reason to avoid protection, and will continue to have this reason: ability to use the terrain as they want. As you can see with the example of this law, once you own a historically protected monument, strict rules apply, you cannot anymore build anything new or you cannot choose the kind or roofing or you cannot change the color of the walls.

    • by AmiMoJo ( 196126 ) on Wednesday November 09, 2022 @01:19PM (#63038697) Homepage Journal

      That would be dumb. If you have to spend money to put the panels up and connect them to the grid, you might as well install good panels that will generate money for you. Installing crap just means it's going to take you longer to recoup your mandatory investment.

    • by Moryath ( 553296 ) on Wednesday November 09, 2022 @01:24PM (#63038707)
      France made a sensible move. I'd rather the sun be generating electricity over the parking lot space than just heating up the cars.
      • by smooth wombat ( 796938 ) on Wednesday November 09, 2022 @01:35PM (#63038745) Journal
        France made a sensible move. I'd rather the sun be generating electricity over the parking lot space than just heating up the cars.

        I was thinking along the lines that all that blacktop won't be radiating heat and making things hotter. These lots will be several degress cooler than their neighbors which will be a nice relief in the summer months, especially as overall temperatures rise.
        • by Chas ( 5144 )

          Actually, probably not.
          You still get heat islanding from solar arrays.

          • Insulation isn’t a thing in your world?

          • But not the same heat island you would get from a concrete or asphalt parking lot without solar panels on top of it.

          • Actually, probably not.
            You still get heat islanding from solar arrays.

            The question isn't whether something happens, it's whether something happens more than the alternative, a giant concrete slab. The answer to that is no, solar arrays don't have remotely the same heat islanding effect as other constructions we put in cities.

      • by WCLPeter ( 202497 ) on Wednesday November 09, 2022 @02:44PM (#63038979) Homepage

        France made a sensible move. I'd rather the sun be generating electricity over the parking lot space than just heating up the cars.

        Also, depending on the placement of the panels and orientation of the lot itself, it could save a small fortune in winter maintenance as well due to not needing to plow away the snow from the areas covered in panels while directing the snow falling on the panels to specific green spaces or laneways which are easier to clear.

        Throw some battery storage in the back corner of the lot to buffer excess power for use overnight (a small office building could likely run overnight on batteries alone, especially during summer months when the days are longer) and ensure overall grid levelling from all that excess power not used during the day. Install EV charging under the panels and use the power you're making to charge the cars, charge the parkers a nominal fee to charge and recoup even more of your funds!

    • by iserlohn ( 49556 )

      The 2000s called and want you back.

      https://www.sciencedirect.com/... [sciencedirect.com]

      Solar panels are very profitable, even before with fixed feed-in tariffs, but especially now in Europe and elsewhere with high energy costs, where utilities sign long-term contracts with IPPs at very attractive rates. Renewable energy producers in general, but specifically solar producers are killing it. The only issue is financing the upfront cost but that is a gap easily filled with market-creating legislation such as this.

    • What do you have against solar? The sun is radiating free energy daily. Only a fool sees that and says no thank you. It's a literal engineering marvel that a passive device generates electricity just from sunlight. That's like say no thanks I don't like any of that free air mine only comes via tanks sold commercially.

    • by mspohr ( 589790 )

      This is just stupid.
      Solar panels are cheap and most of the cost of installing panels is the structure, inverters, etc.
      I wouldn't even know where to buy "cheap solar panel-like roofing material". It doesn't exist and you would be stupid to buy it.
      Solar panels generate electricity which has a high value. Why go through all the motions and expense and not benefit from the electricity?
      Really, the "government bad" cult is strong here.

    • You have to have a serious brain defect to think that more people would go out of their way faking roofing on commercial buildings (which are inspected) than to simply install solar in the first place.

    • Europe is not America.

      European law tends to take into account intent as opposed to relying on exact details when it comes to enforcement. Following the letter of the law, but not living up to its intent will still net you punishment.

  • Good idea. (Score:5, Insightful)

    by MachineShedFred ( 621896 ) on Wednesday November 09, 2022 @01:16PM (#63038691) Journal

    I've never really understood why owners of large parking lots haven't done this themselves - they use practically no electricity other than running an electronic payment kiosk and a few outdoor lights for safety so the energy being generated is nothing but additional profit on land they already own. And the shade created by the panels will make it nicer for people to park their cars under.

    Plus, with electrification of transportation, we'll be generating power at the most logical place to recharge an EV - where it's parked.

    This is basically government forcing parking lot owners to do what they should have done by themselves a while ago.

    • Re:Good idea. (Score:5, Informative)

      by sinij ( 911942 ) on Wednesday November 09, 2022 @01:22PM (#63038705)

      I've never really understood why owners of large parking lots haven't done this themselves

      It is a substantial investment without a clear payout. As you identified in your response, parking garages do not use much electricity. So they have to sell electricity to the utility, which in many cases is not willing to pay the market rates (or at all).

      • Re:Good idea. (Score:5, Insightful)

        by Zumbs ( 1241138 ) on Wednesday November 09, 2022 @01:51PM (#63038807) Homepage
        Given that electric vehicles are becoming more and more common, parking lots are likely to include charging stations. If parking lots can generate some or most of the electricity needed from solar panels, but can charge a price comparable with that of the grid plus a commission for the parking lot, the value proposition changes significantly.
      • by Ichijo ( 607641 )

        parking garages do not use much electricity.

        That's true but the buildings next door to them do.

        • by Ichijo ( 607641 )

          Also, garages will consume more and more electricity as they install EV chargers. So it all works out nicely.

      • The payout is that people with electric cars will frequent your establishment. It’s amazing how many small towns off the highway are installing chargers to bring people in.

      • Weâ(TM)re talking about France here, not Murica.

        They have different social rules for what constitutes a worthwhile investment.

        In America, you couldnâ(TM)t convince anyone to do anything that doesnâ(TM)t involve getting two bucks back for every dollar you put in.

        In France, itâ(TM)s a totally different story.

      • Yes, this is the answer to that. A lot of places don't have net metering, so it's not economically beneficial to build solar over the parking lots. France does have net metering so it's a bit less comprehensible why this is necessary there.

    • You park cars on it.
      You charge for the parking.

      No actual thought really involved.
      This is like putting a fingerprint reader on a gun.
      You are now adding more complex systems to something that was automatic and simple.
      This will tend to add cost elsewhere in the interaction.

    • by lsllll ( 830002 )
      When you're thinking solar panels over a parking lot, you can't think in terms of aluminum columns holding a flimsy roof over cars. It's a parking lot. Cars are going to hit those columns. Those columns all need to be 2 feet diameter concrete, at least for 5 feet off the ground (SUVs). And there needs to be many of them. And then the platform will still need to be raised by another 5 feet and will need to be sturdy enough to handle at least 2 adult males to be able to walk on it and hold the weight of
      • And yet, people were still doing it before a government told them they had to. Which tells me that there's an ROI on that investment even with it requiring what you said.

        Sounds like the French government may be doing a lot of ignorant parking lot owners a favor here.

    • by DrXym ( 126579 )
      Probably because they don't have to. I'm sure some companies are forward thinking, realising that solar pays for itself within a decade, but others aren't or just don't want the expense / red tape of even thinking about it.
    • Cost to construct,size of lot,cost of upkeep, your making a roof, not just something to support panels plus snow in the winter. All new lots should have to do it for sure though.
    • Agreed, it's one on the most sensible ideas out there.

      The only catch is overhead clearance for tall trucks, but it sounds like they have made allowances for that.

      And yes I was thinking of that famous 11' 8" can opening bridge :-).

    • Perhaps the lot is on the North side of a tall building so it would be a waste spend the money on panels that would be in shade all day.
  • I assume this means the entirety of Paris.
  • by schwit1 ( 797399 ) on Wednesday November 09, 2022 @01:29PM (#63038727)

    Otherwise the big winners are the Chinese solar panel makers that use slave labor.

  • by bubblyceiling ( 7940768 ) on Wednesday November 09, 2022 @01:58PM (#63038825)
    This should be a no-brainer. Set-up solar and provide charging for EVs. Sell any excess electricity to the grid and make bank.
  • by DrXym ( 126579 ) on Wednesday November 09, 2022 @02:05PM (#63038861)
    I've always wondered why cark parks weren't fitted with solar panels. Not only does it allow cars to be charged, but it also provides energy to the grid and shade for motor vehicles so they're cooler and don't have to run AC. Same for many building rooftops.

    It is particularly depressing visiting places like Florida where there is vast untapped solar power and there is so much asphalt sitting there that solar panels could be mounted above to provide it. Hell, there are so many vacant lots, that solar arrays should be mounted on trailers and towed there to generate power while the place is otherwise unused.

    • I've always wondered why cark parks weren't fitted with solar panels.

      In some cases it's a lack of net metering, in others it's just a lack of vision. The Luther Burbank Center in Santa Rosa (I don't know or care what corporation it's currently named after) has a solar-covered primary parking lot, but still lots of lot ;) that is uncovered...

  • In many places parking lots are just a waste of real-estate, that could be used for other human activities, rather than vehicle storage. There are many places where parking is under the place of business, rather than to the side of it. Putting solar panels on top of parking spaces helps reduce the need for land that could that could be used for farming or kept natural.

    In sunnier climates, solar panels also help provide shade to the car parked underneath, providing an extra benefit.

    I do wonder whether the n

    • by Gavagai80 ( 1275204 ) on Wednesday November 09, 2022 @03:30PM (#63039141) Homepage

      Number of parking lots I've seen turn into farms: zero. Number of parking lots I've seen turn into natural wilderness: well, a few, but only because the whole area went broke and not because it was planned.

      The only thing parking lots ever turn into in the real world is buildings. The need to remove a few solar panels is not going to dissuade a developer from building their hundred million dollar skyscraper there if they've decided it's a good location and it's no longer needed for parking.

  • I worry that mandating this instead of incentivizing it will result in solar panels being wasted in less practical locations though. What if you parking lot is north of a large building? A significant number of the panels would not see much light during a large portion of the year. I hope the law has language to address these situations.
    • The situation you suggest has a very simple solution: make each individual parking slot much wider than it is now, so that the total number of parking slots is less than 80. Therefore this law would not apply, and you "only" spent a few thousand euros to repaint the parking lot.



      Just to avoid misunderstanding:
      With the word "slot" above, I mean the space needed for one car (or similar-sized vehicle). With the word "lot" I mean the space taken up by a large number of slots.
      • I don't know how this works in France, but in some places there are rules requiring a certain amount of parking. They could easily have a rule saying if you're going to have a parking lot, it has to have a certain number of spaces. If they can justify this, then they can justify that (heat islands.) Maybe there would be an exception if you put in trees, but that's not free either. But if you have net metering (which I do know they do have in France) then it should not be hard to get a loan for a solar array

  • ...to see the first one who will install solar panels on the ground of the parking lot!

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