Update July 2022: this video has been up-to-date as it’s fairly out-of-date. See in this article:

Our Tesla Powerwall 2 has been put in for 2 decades 2018 – 2020. I look at the costs to set up, the Powerwall’s overall performance and statistic, how we operate it and how a lot we have saved. Will it pay for itself? I address any concerns and did we make the suitable determination. Does a Powerwall get the job done in the Uk? Will a property battery get a return on expense?

@15:04 mm:ss must have been moments 24 months, not 48! This implies the preserving is £36.78 for every month. So £57 – £36.78 = £20.22 per thirty day period for the charge of the Powerwall! Many thanks to @bonbon who pointed this out.

The discounts quoted ended up only ever correct at that place in time the movie was uploaded. If we glance at present electricity costs in the British isles (April 2022) they have doubled/tripled, then the discounts will be drastically lessened. Strength costs are only at any time likely to be likely 1 way. A new movie can be uncovered in this article with more recent personal savings and expenses:

I have not provided the value of the photo voltaic set up for 2 motives. 1st, the 2011 4kW solar put in experienced compensated for by itself with Fit payments by Dec 2018, the same month the battery was set up. Secondly, the online video was about the Tesla Powerwall 2 battery and was it worthy of it. Although it is element of an total process, it was this component I was concentrating on.

00:00 Intro and method components
02:39 Tesla Powerwall 2 configuration
08:06 Fees to put in
11:00 Powerwall 2 efficiency
13:43 Value Personal savings (maths error see description)
15:55 Challenges
18:39 Was it truly worth it?

Backlink to schematic

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Set up:
4.0kW photo voltaic array, mounted Sept 2011
– 3.8kW SMA Sunny Boy inverter
2.34kW solar array, mounted Oct 2019
– 2.2kW SolareEdge inverter
Tesla Powerwall 2 (Gateway 1), put in Dec 2018
Kona 64kWh EV, shipped 1st July 2019
Tesla Model 3 AWD Performance, sent 28th Sept 2019
myenergi eddi, mounted July 2019
myenergi zappi v1, set up Dec 2018
myenergi harvi x 2
myenergi hub
myenergi iOS app
Landis+Gyr E470 100mm SMETS2 good meter put in July 2019, taken off on 30/11/2020
Kaifa MA120 SMETS2 sensible meter set up on 30/11/2020
Based mostly in Rushden, East Midlands, Uk

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