At least 177 have died and 826 are unaccounted for, with insurers estimating early claims for hydropower and construction projects at least in the hundreds of millions of rupees.
BNPB data to midnight on Sunday also records 101 people injured, more than 5,000 displaced, and damage to 93 education facilities, 36 health facilities and 38 government offices.
Ahead of landfall, the insurer sent 48.99 million warnings through its Eagle Eye platform, inspected 2,458 flood-prone sites and helped move more than 2,770 vehicles out of harm's way.
Reinsurance and cat bond cover will limit the earnings hit, but the agency said semiconductor-driven industry clusters could push net losses above 2016's.
Estimates from across the broker and ILS market point the same way, with losses expected to fall short of the quakes that struck the same prefecture a decade ago.
Regional losses of US$8.7bn in H1 came in at about a quarter of the 10-year average, but the reinsurer says strengthening El Niño conditions leave Japan, Korea, Greater China and Australia exposed through...