So anyhoo, as I'm learning and continually collecting data, decided the time has come before the sunny season gets into full swing to add a CT clamp to the solar generation of my system.

Found that my local CEF store had them, popped down, collected so this afternoon the plan is to add clamp to Harvi, fit clamp and configure the Zappi to let it now what data the Harvi is sending.

What could possibly go wrong?

IMG_2211.webp
IMG_2217.webp
 
So anyhoo, as I'm learning and continually collecting data, decided the time has come before the sunny season gets into full swing to add a CT clamp to the solar generation of my system.

Found that my local CEF store had them, popped down, collected so this afternoon the plan is to add clamp to Harvi, fit clamp and configure the Zappi to let it now what data the Harvi is sending.

What could possibly go wrong?

View attachment 46029View attachment 46030
Well
Screenshot_20260425-130828-display-0.png.webp
 
At similar age I had a ladybird book on magnetism and read about electro magnets. So I decided that if I dropped my very weak red and black horseshoe magnet across the exposed live and neutral pins of a 3 pin plug (they didn't have the insulated sleeves in those days) it would make it more powerful. Lesson learnt!
 
So anyhoo, as I'm learning and continually collecting data, decided the time has come before the sunny season gets into full swing to add a CT clamp to the solar generation of my system.

Found that my local CEF store had them, popped down, collected so this afternoon the plan is to add clamp to Harvi, fit clamp and configure the Zappi to let it now what data the Harvi is sending.

What could possibly go wrong?

View attachment 46029View attachment 46030
So anyhoo. it's up and running, connecting physically to the Harvi was the easy part, cinfiguring the connection to the Zappi took a bit of time but I got there, have to say let the data flow. Blessed be the algorithm......

IMG_2227.webp
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IMG_2226.webp
Screenshot 2026-04-25 at 14.43.22.webp
 
We went off grid at 05:00 on Wednesday morning and have been running on solar and batteries ever since. I've also put 41kWh into the cars and been driving around for free. Luvly Jubly.

Edit: 101.8 KWh generated over 4 days.
Class.

The sun will come out Begorrah, bet your bottom dollar, tomorrow, there’ll be sun.
 
Yesterday was rainy with sun poking through at times. Love the free energy we get in the middle of the day. Also a bonus period in the evening where we get $1 for not importing and extra for exporting some.

Screenshot 2026-04-26 at 7.22.51 am.webp


Code:
25-Apr     PV     Import (Free)     Export     Consumption
kWh        22.5   27.6   (27.5)     10.7       39.4

Bill for the day: $0.38 credit

April so far (production declining as we approach winter):

Screenshot 2026-04-26 at 8.18.37 am.webp


Dashed line is a record of the solar forecast for the day.

Total bill for month to date: $9.32 credit.
Bill for MTD without solar/battery would be ~$350 to $375.

Circuit/appliance consumption:

Screenshot 2026-04-26 at 8.19.58 am.webp


Untracked consumption is mostly the operating energy losses of the battery system.

EV charging cost: $0.00
 
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