Best Electricity Plan for new EV Owners

A quick question about usage limits.
How much power can a domestic system (16KvA) pull simultaneously?
With a three hour window from 2am to 5am

is it possible to charge an EV at 7 kwh,

charge a solar battery at 5 kwh,

boost the hot water (Hitachi A2W 2 kwh?) or have heating come on

run a dishwasher/tumble dryer/washing machine

with background usage of 0.2 to 0.3 kwh.

ESB Networks says this
Maximum Import Capacity (MIC) is the maximum electricity demand level that can be catered for by your connection to our network. MIC is stated in kilovolt-amps but this value is, in most cases, similar to the number of kilowatts that may be catered for by the connection.

Energia have the only 4 hour low rate at night on the market, 2am to 6am, its a little higher priced than BG or Pinergy, at 7.54 inc vat, and if you pull more than a thousand units per bi monthly billing period, it increases slight for the excess to 8.67 inc vat.

However the longer 4 hour window, adds some additional flexibility, and longer EV charging, Energia also has a lower standing charge of €236 per annum inc vat, and a much higher export rate of 24 cent, BG is only 18.50 cent for export(recently reduced)BG credit the export every 6 months, Energia do it on every bi monthly bill.

If you are a high exporter, i’l be around 5,000 units exported this year, the Energia higher export rate of 5.50 cent more, than BG, more than makes up for their higher night rate.

I went with a SwitchBot for turning on the immersion - went with it as the easiest option to fit and able to keep the sink/bath option also

for your use - https://kilowatt.ie/service/price-comparison is probably better - it allows you to upload your HDF and then also add solar + battery and use that additional production / load-shift to suggest a better tariff.

Yep at 2-5am all hell breaks loose in my house …I have a HP as well so I jam in a load of kWhs there as well

Just checked with Energypal again with my new consumption profile and BG are the best still…but you have to be using the EV tariff as much as possible to get the best out of it.

So after a year charging our Kona64 on Energia 2-6 EV rate, I plugged our ESB meter data in to Energypal…

• We would have been €90 better off on Energia Day/Night rate (27c day/13.2c night)

The main reason was being unable to stick rigidly to the 2-6 window.

I broke down the raw data from Zappi for hours of usage, which showed that 15% of our car charging was outside the 2-6 rate, but this made up 45% of the cost (34c vs 7.5c). Total charging was approx 5200kWh (about 35,000km driving done only charged a few times on the road). Quite a few occasions my OH had consecutive long days on the road and needed to charge fully for the next day. Not to mention the one time my SIL plugged in her EQE and sucked 60kWh on day rate!

We exported 4200kWh solar at 24c which softens the blow - will consider batteries if FIT drops drastically.

Still only cost €610 for 35k km motoring, which would have been a good 2000l diesel in the Sportage so around €3400.

I've signed up to the Day/Night tariff, at least we'll have no worries about managing the charging window. Worst case our charging costs go up to €700 if we do similar mileage, and our day rate for everything else is 6c less.

Therein lies the problem. Family member here is fantasising about getting an EV, I'm not keen for that exact reason, they wouldn't adhere to the 3hr charging window (I'm with BG) and there'd be murders each time a bill is issued.

Not really, that's what timers are for. My daily usage is small so it suits me perfectly.

I meant for myself it's easy to manage, I'm not doing a boards handbags today, good luck.

"I've signed up to the Day/Night tariff, at least we'll have no worries about managing the charging window. Worst case our charging costs go up to €700 if we do similar mileage, and our day rate for everything else is 6c less."

I thought once you'd switched to a Smart tariff you couldn't switch back to a Day/Night Tariff? Am I missing something?