The A100 SXM4 has a TDP of 400 watts, let's say about 800 with cooling etc overhead.

Bulk pricing per KWH is about 8-9 cents industrial. We're over an order of magnitude off here.

At 20k per card all in price (MSRSP + datacenter costs) for the 80GB version, with a 4 year payoff schedule the card costs 57 cents per hour (20,000/24/365/4) assuming 100% utilization.