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Author Topic: original FIT with SSE - would i benefit from octopus or a duracell battery soln  (Read 1501 times)
citrus
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« on: August 15, 2019, 04:23:08 PM »

so I was lucky and got our solar ev via the original FIT scheme (2011) so get a good chunk of money each year for my export

I think this means I get a deemed 50% export even tho I can use all the elec i want during the day

now thinking of getting an electric car OR a electric storage solution ( duracellenergybank.com) or got to Octopus

would that cause a problem for the FIT ( stealing all the export ?)

... or does it not make sense given the good rate of FIT I get ?  

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john999boy
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« Reply #1 on: August 15, 2019, 04:53:21 PM »

Make full use of what you have - and you'll still be paid the 50%.
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8.46kWp solar PV - 169 - 40 slope - 53N. Immersun fuelled DHW.
citrus
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« Reply #2 on: August 15, 2019, 05:02:43 PM »

thanks for that

actually doing a bit of reading .. sounds like the duracell power bank has a long payback period so wont work for me (5-7 year horizon in this house)

so will look at the electric car as a solar dumping station
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RIT
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« Reply #3 on: August 15, 2019, 09:47:41 PM »

thanks for that

actually doing a bit of reading .. sounds like the duracell power bank has a long payback period so wont work for me (5-7 year horizon in this house)

so will look at the electric car as a solar dumping station

As long as you do not select a battery solution that sits between your panels and your inverter the number of units you report for your FITs payment will not change - unless the electrician goes and messes up the wiring by putting something between the inverter and the FITs check meter.

It's just about impossible to get a positive rate of return on any home battery system within it's expected lifetime unless you expect to fully discharge the device daily, which is an unlikely situation if the aim is to capture spare energy from a PV array. There does not seem to be any published prices for the Duracell Energy Bank so I'm guessing that it is priced at the top end of the market and just plays on the brand name.
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2.4kW PV system, output can be seen at  - https://pvoutput.org/list.jsp?userid=49083

Why bother? - well, there is no planet B
pantsmachine
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« Reply #4 on: August 17, 2019, 09:01:23 AM »

We have seen a roi of 18.71% on a combined solar & battery install in year 1(ish). Solar went live 8th June 2018 and the batteries Sept 2018. The batteries have discharged a total of 1.1 mwh so far, I expect them to have discharged 1.2 mwh by the time their 1st anniversary rolls around.

I base my calcs on the year running June 17 to May 18 and the usage therein and go on current prices with my then provider, squarest way I could think of to grasp an intangible.

Purely on batteries, Scottish power standard online tarriff is 18.649p kwh, 1.2 mwh would have cost me 223.78 so that's my roi in year 1 batteries, the battery side of the install was about 2,500 so that's 8.95% back.

Many ways to defur a feline but this one is mine. All the best in your process.
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nowty
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« Reply #5 on: August 17, 2019, 09:44:47 AM »

The Duracell Energy Bank looks like a rebadged Chinese BYD unit.

Seems to be being pushed by a company called Social Energy, we had a thread about them late last year.

See here  -  https://www.navitron.org.uk/forum/index.php/topic,30152.0.html

I recall the consensus was not too complimentary.
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11kW+ of PV installed and 56+ MWh generated.
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citrus
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« Reply #6 on: August 19, 2019, 11:50:30 AM »

The Duracell Energy Bank looks like a rebadged Chinese BYD unit.

Seems to be being pushed by a company called Social Energy, we had a thread about them late last year.

See here  -  https://www.navitron.org.uk/forum/index.php/topic,30152.0.html

I recall the consensus was not too complimentary.


yeah thanks for this ... will park the battery idea for definate now  ...

now back to looking at EV's !
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