My generated power is added to my used power

[sapg]

I should get a negative value when I'm generating more energy than I'm using but I get an even greater positive value instead.

[sapg]

What are these?

❯ strings Holmes2 |grep now
Unknown error: %1
nowg
nows
nown
nowp
noww
nowt
nowT
nowe
nowy
nowd
nowl0000
nowh0000
nowv
now+p
nowc
now+l
now+v
nowr
nowi
nowm
nowC0
nowG1
nowG2
now+P3
now+P1
now+P0
nowR%1 %2 000 000 00:00 00:00
nowI%1 %2 %3 %4
now+L
now+V
nowM%1 %2
nowa
nowb
nowf
nowj
nowk
now+b
now+i
nowUe
nowx