Kept an eye on the issue (incorrect cost to date) and here are my observations: -1. usage data (solar sold, electricity bought) appears to be always correct, except the rounding to two digits 2. the cost to date appears correct in the mornings, but stuffed up at around the time the next day's data uploaded and made available for download; usage not yet updated, but cost to date updated badly; (fixed during overnight process?)In summary, it appears there is some left-over garbage in the coding ( ...