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  • Martyn1981
    Martyn1981 Posts: 14,762 Forumite
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    Trina Solar is pushing the cell efficiency of PV produced on an industrial process laboratory machine past 24%.

    Trina Solar achieves 24.13% conversion efficiency for IBC solar cell

    That would work out roughly at 6.25kWp, where 16 'old school' 250Wp panels would have gone.
    Mart. Cardiff. 5.58 kWp PV systems (3.58 ESE & 2.0 WNW)

    For general PV advice please see the PV FAQ thread on the Green & Ethical Board.
  • Martyn1981
    Martyn1981 Posts: 14,762 Forumite
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    Rapid drop in tender prices for Indian PV, now at INR2.62/kWh ($40/MWh).

    Indian solar tariffs well below three rupees in new Rajasthan records
    The industry was shocked by low bids for a levelised tariff of INR3.30/kWh At Rewa, Madhya Pradesh, in February. Prices dipped further with Solairedirect’s winning bid of INR3.15/kWh for 250MW(AC) in Andhra Pradesh last month.

    Now they have dropped significantly further. The massive levels of oversubscription (3.25GW) for this tender did signal that the records were likely to break again in any case. SECI's next tender at Bhadla, for the 500MW section built by IL&FS was also hugely oversubscribed (5.5GW).
    Mart. Cardiff. 5.58 kWp PV systems (3.58 ESE & 2.0 WNW)

    For general PV advice please see the PV FAQ thread on the Green & Ethical Board.
  • Martyn1981
    Martyn1981 Posts: 14,762 Forumite
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    Calls for more support for solar, but the Tory manifesto has forgotten to mention it (again).

    STA calls for 10GW of solar from the next government



    and a Thursday afternoon bonus pic ... WOW!

    China completes largest floating solar power plant
    Mart. Cardiff. 5.58 kWp PV systems (3.58 ESE & 2.0 WNW)

    For general PV advice please see the PV FAQ thread on the Green & Ethical Board.
  • Martyn1981
    Martyn1981 Posts: 14,762 Forumite
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    Martyn1981 wrote: »
    Calls for more support for solar, but the Tory manifesto has forgotten to mention it (again).

    STA calls for 10GW of solar from the next government

    BTW, did anyone notice this paragraph?
    This is due to the fact that the STA believes much of the capacity needed to reach 40GW by 2030 will come from the commercial sector in particular, where Barwell claims there is 380GW-worth of south facing rooftop space.

    So what? Well, add in 5m houses at 4kWp each and you have 400GWp.

    Next apply the UK's PV capacity factor of 10%, and you have the equivalent of 40GW (24/7).

    That comes to 350TWh pa, which is the UK's average annual leccy consumption.

    Not saying for a second that PV can provide all of our leccy, but if we could theoretically hit 100% with roof mounted, then we certainly don't ever need to worry about lack of space when discussing the potential for PV.
    Mart. Cardiff. 5.58 kWp PV systems (3.58 ESE & 2.0 WNW)

    For general PV advice please see the PV FAQ thread on the Green & Ethical Board.
  • michaels
    michaels Posts: 28,003 Forumite
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    Martyn1981 wrote: »
    BTW, did anyone notice this paragraph?



    So what? Well, add in 5m houses at 4kWp each and you have 400GWp.

    Next apply the UK's PV capacity factor of 10%, and you have the equivalent of 40GW (24/7).

    That comes to 350TWh pa, which is the UK's average annual leccy consumption.

    Not saying for a second that PV can provide all of our leccy, but if we could theoretically hit 100% with roof mounted, then we certainly don't ever need to worry about lack of space when discussing the potential for PV.
    I'll only let you get away with that one if you do the maths on how much storage would be needed for UK annual solar production to cover our annual energy use.....
    I think....
  • Martyn1981
    Martyn1981 Posts: 14,762 Forumite
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    michaels wrote: »
    I'll only let you get away with that one if you do the maths on how much storage would be needed for UK annual solar production to cover our annual energy use.....

    No thanks. I've only mentioned the space needed for a theoretical generation equal to 100% of leccy, to demonstrate that space is not an issue. If you are not sure about the 380GW statement then it's the STA that you need to challenge.

    Never even mentioned UK energy demand. ;)
    Mart. Cardiff. 5.58 kWp PV systems (3.58 ESE & 2.0 WNW)

    For general PV advice please see the PV FAQ thread on the Green & Ethical Board.
  • Martyn1981
    Martyn1981 Posts: 14,762 Forumite
    Name Dropper Photogenic First Anniversary First Post
    michaels wrote: »
    I'll only let you get away with that one if you do the maths on how much storage would be needed for UK annual solar production to cover our annual energy use.....

    As an aside, for anyone interested, here are the maps that show how much land would be needed to provide the whole world's energy (not leccy) from PV in 2030. Further down the second map is probably of more interest to the UK, as it shows the total sea area needed to do the same from off-shore wind:

    Total Surface Area Required to Fuel the World With Solar

    Just click on the maps to open a larger version.

    Note - the off-shore wind map is based on 40% efficient 5MW turbines, but the UK is already installing 8MW beauties, that are about 50% efficient, and 10-15MW WT's are already on the cards.
    Mart. Cardiff. 5.58 kWp PV systems (3.58 ESE & 2.0 WNW)

    For general PV advice please see the PV FAQ thread on the Green & Ethical Board.
  • michaels
    michaels Posts: 28,003 Forumite
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    Martyn1981 wrote: »
    As an aside, for anyone interested, here are the maps that show how much land would be needed to provide the whole world's energy (not leccy) from PV in 2030. Further down the second map is probably of more interest to the UK, as it shows the total sea area needed to do the same from off-shore wind:

    Total Surface Area Required to Fuel the World With Solar

    Just click on the maps to open a larger version.

    Note - the off-shore wind map is based on 40% efficient 5MW turbines, but the UK is already installing 8MW beauties, that are about 50% efficient, and 10-15MW WT's are already on the cards.
    Now you have got me wondering if solar/wind could have an impact on the climate, afterall with wind you are taking energy out of the wind so perhaps rain bearing weather aystems won't travel as far inland and solar energy absorbed by panels is not growing plants nor being reflected back into space.
    I think....
  • gefnew
    gefnew Posts: 876 Forumite
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    Hi Michaels




    Here is a link to an article about the effects it may have on the weather and other things that nay happen.
    https://www.nature.com/articles/srep35070
    Regards
    gefnew
  • michaels
    michaels Posts: 28,003 Forumite
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    As at 13:45 on 26th May according to Gridwatch Solar is at 8.76GW - but their needle dial only goes up to 8GW - guess we need to re-calibrate....

    http://www.gridwatch.templar.co.uk/
    I think....
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