[jeffbee]

If you were using a service to run those builds, reduced build time would translate directly to lower costs.

Even if you are using a wasteful, low-utilization capital plant to run your build, more efficient use of those resources should become lower energy bills, at least.

[gjvc]

The only way you get lower energy bills is by switching things off, not using them at full whack, but as I said, people don't know any better than the mess they're in.

[jeffbee]

With modern power scaling that is certainly not true.