On 23 March she used 46.29Kwh for £9.84
On 24 March she used 47.73Kwh for £9.78
On 25 March she used 47.97Kwh for £10.10
On 26 March she Used 47.23Kwh for £9.69
On 27 March she used 58.70Kwh for £11.40
On 28 March she used 48.11Kwh for £12.68
and when I looked this morning at 9.20am the IHD was reading 37.70Kwh for £10.77
The timeclocks for the Storage heaters are in sync with the smart meter and come on during midnight and 6am.
The smart meter day rate (price) hasn't changed, but I'm unable to find out about the night rate price from the meter.
My mother is 84 years old and is worried about the fact that the cost has suddenly gone up when nothing has changed, and we don't know what caused the 10Kwh increase on the 27th March.