BIG rooftop solar


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The neighbour’s solar array has previously attracted a comment or two from some of my drone footage, so today I thought I’d ask him a bit about it.

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29 replies
  1. bitblt
    bitblt says:

    Part of your conversation with your neighbor was a bit unclear. What specific thing was backfeeding your house, keeping the lights and coffee maker on? I thought you didn't have solar on the house. Do you have wind power?

    Reply
  2. cardigan 32
    cardigan 32 says:

    Just come across this video, have been watching your others for awhile now and wanted to tell you about some solar power storage batteries we've looked into. Basically with the lowered feed in tariff lots of people are being put off converting to solar but if you store the excess power generated you can run at night too. Most of these battery systems have previously used lead acid (toxic and not very eco) or, now with the Tesla Power Wall etc., lithium iron BUT there is an even greener option! Salt water batteries! An American company called Aquion Energy makes them and there are a few of distributors in the U.K. (http://www.windandsun.co.uk and http://www.circuitree.co.uk/our-chemistries/ are two). Just thought you might be interested in them. Might make a good vlog?
    Cheers,
    Phil

    Reply
  3. Harry M
    Harry M says:

    if the system shuts down when the power grid goes down, then what's the point? insted it should cut off from the grid and keep supplying the farm with electricity. better yet, add a bunh of batteries and store the electricity for later. although the batteries would have to be just as chunky as the rest of the system.

    whats the voltage from the solar panels? ABB makes some inverters that can handle up to 1100 volts of input voltage.

    Reply
  4. andrewjsteele1
    andrewjsteele1 says:

    I have a 3.4kwh system, had it for 10months, went for the slightly smaller system, as we never wanted it on the main Victorian house roof.  I charge my car by sunlight. I reduce my car power intake and charge for free during the day, car pulls 2kwh.  Winter time is not so good here in the UK, but since the middle of March I produce more power per day than I use, so my net usage is zero.  But still getting paid for generating and exporting.  Exporting is always based on 50% of the generated amount.  You get paid a fixed rate (set when installed) for generating and exporting the electricity and this rate reduces for new customers every few months, so get a system ASAP.

    Reply
  5. Rob McLear
    Rob McLear says:

    We do love our solar system, it's only ~3.5kw because our roof area is not large and we don't have enough land for a terrestrial install, but it is literally zero maintenance, we get some money back from the power co for net metering, and we get a little check every few months for selling our carbon offset credits. I'd love to say it's powering my S but of course the car charges while the sun don't shine. We do source all our energy from solar and wind generation however, so the car is literally zero emissions.

    Reply
  6. SOLAR 300
    SOLAR 300 says:

    The reason is that the utility lobby has got the Gov to back refusing above quota energy from wind farms and solar arrays. People think turbines are dormant because they don't work when they are shut off because of no where for the energy to go.
    The system is rigged. NEXT STAGE : TESLA POWERWALL for James TESLA POWERPACK for the farmer.The local community could also buy the farmer's export if the village or town invested in a TESLA POWERPACK buffering system owned by the village or town. German companies also offer battery systems too. The village or town could integrate all the solar and wind systems and add base power geothermal. Declaring energy independence from the utility and their political whores in Downing St who like wasting and blocking renewables to fake the impression that they cannot make enough power.

    Reply
  7. SOLAR 300
    SOLAR 300 says:

    I cannot believe you even said that about an i3 ! BMW has spent a BILLION DOLLARS on advertising the i3 around the world
    but they refuse to spend a BILLION DOLLARS on developing a decent battery !! COMPLIANCE CAR CON !!

    Reply
  8. Clive Flint
    Clive Flint says:

    The reason the inverters shut off when there's a power cut is to ensure the electricity workers don't get electrocuted. It would be bad if the sun came out whilst they were working an an apparently dead section.

    Reply
  9. photobobo
    photobobo says:

    The inverters are synchronous inverters. Without the mains there is no reference frequency. You could charge batteries without the mains but you would need an asynchronous inverter to supply your loads plus charge regulators and changeover switch gear.

    Reply
  10. Simon Stafrace
    Simon Stafrace says:

    I had my 1.8kw system in Malta for nearly 9years now and man they are good I produce 3,500kw a year at an angle of 30degress.make of panels is Mistubishi electric check these brand out they have close to zero degradation cheers I do recomande Japanese panles as they are best in class

    Reply
  11. Daniel Murray
    Daniel Murray says:

    I count 241 panels divided by 49.7KW = 206.2 W/ panel. Apparently, at his less than optimal 30° tilt angle, and time of day, only 9.3KW from one inverter and <0.8KW from the other? Would you also conclude that more improvements possible. Panels I use will be 404W/ each, wired in parallel to optimized shade and bounce. Nice sharing. Have fun. Tell us more.

    Reply

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