Ah thanks, now I see the split.

Sorry for the false report.

My save game (possible with correct values)

I play Factorio 0.17.52 with solar energy and accumulators (I have some steam engines for backup, but they have no coal supply connected).

The correct values for my build are:

~1300 solar panels
~1000 accumulators


But sometimes I got the following values:

424 solar panels
611 ...