[email protected]'s Substack
[email protected]My personal Substack
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 6 | Founded | 6 months ago | Last Issue | 2 months ago |
| Active | |||||
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johnisolarmncom.substack.comLatest Issues
The Math Behind the Meter
John Ihle — iSolar MN — April 2026
My last four posts have been about the same thing: the gap between what electricity costs to generate and what ratepayers actually pay. That gap — driven by capacity obligations, transmission build-outs,...
Batteries Don’t Need Subsidies — They Need To Be Paid by the Grid
Minnesota already spends billions on grid reliability. Batteries reduce those costs.
Electric utilities across the United States are rapidly adding battery storage to the grid.
In many states, the policy response has been straightforward:...
Wrong Signals, Rising Electricity Rates
Why Minnesota’s Grid Is Getting More Expensive
This isn’t a failure of technology or market fundamentals. It is a failure of policy. The Minnesota Public Utilities Commission exists, in part, to ensure rates are just and reasonable and to...
Minnesota's Hidden Capacity-and the Case for a DER Capacity Tariff
Before going further, it helps to clarify one term that sits at the center of modern reliability and investment planning: capacity.
Capacity is not energy. It is not how many kilowatt-hours are produced over a year. A utility’s capacity ob...
Electricity Is Getting More Expensive — And It’s Not Because Power Is Scarce
Electricity customers in Minnesota are told that rising rates are the unavoidable price of grid modernization, reliability, and clean energy. That explanation sounds reasonable—but it avoids a harder truth. Electricity is getting more expen...
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