The QTS Experience
The QTS Experience
Dave McCall
Ep. 252 - Why Saying “Diesel” Now Feels Like Yelling “Mufasa” — Jim McDonald on Backup Power
1 hour 46 minutes Posted Jun 12, 2026 at 12:36 pm.
Welcome, and the “luminary chair”
From the University of Delaware to founding MIRATECH (1992)
The first data center (2006) and the “internet hotel”
What a backup generator does, and why a data center needs it
The “nines” of reliability and the 7-second diesel start
What “five nines” actually means in downtime
How often the generators really run (mostly testing)
Diesel’s “Mufasa moment”: how a word got loaded
“Dirty diesel” — where the myth comes from
The ratepayer pledge and the peak-power problem
Why diesel: 48 hours of fuel on site
Behind-the-meter and microgrids, explained
202(c) orders, Ashburn, and grid-vs-on-site emissions
PJM, the load-duration curve, and demand response
EPA Tier 2 to Tier 4 and a “new spirit of cooperation”
Energy storage: heating bricks, ice, and synthetic DNA
Small modular reactors and the nuclear question
Three daughters and “nuclear is super safe”
What to watch in the next 18–24 months
The takeaway: open minds, and everybody wins
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Show notes
Somewhere along the way “diesel” turned into a dirty word. Jim McDonald’s spent 30 years on the generators that keep 911, hospitals, and your data alive — and he’s a little tired of playing the villain. We get into what’s real, what’s myth, and why he still thinks everybody wins.
Chapters:
References and Links:
Jim McDonald (guest), MIRATECH — LinkedIn: linkedin.com/in/jim-mcdonald-80229223
MIRATECH (guest’s company): miratechcorp.com
David McCall (host): linkedin.com/in/davidnmccall
QTS: q.com
Ratepayer Protection Pledge (White House, March 2026): whitehouse.gov — Ratepayer Protection Pledge
PJM Interconnection (regional grid operator referenced re: load-duration curve / demand response): pjm.com
Book referenced — “The Mysterious Case of Rudolf Diesel” by Douglas Brunt (2023).
Plant Vogtle (Georgia Power / Southern Company) — the Georgia nuclear plant Jim worked near during construction.
Michael Shellenberger nuclear talk (~10–15 years ago, “several million views”)
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