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Founders Circle Intelligence Drop — “The Hybrid Grid We Saw Coming”

Writer: Charles Mohler
Charles Mohler
Sep 10
1 min read
FieldSpan graphic illustrating a hybrid AC/DC grid connecting DC infrastructure, utility delivery, energy storage, microgrids and wildfire-resilient communities.

1. ABB’s DC Push Is a Structural Signal

ABB’s public pivot into DC architecture for AI data centers, storage, and automation confirms a trend we identified a year ago: the grid is moving toward DC‑dominant large loads and AC‑dominant general delivery.


This is not theoretical anymore — it’s happening.


2. The IOU/Muni Split Makes More Sense Than Ever

Our original proposal:


  • IOUs → DC infrastructure + high‑density loads

  • Munis/Co‑ops → AC delivery + community loads


ABB’s announcement aligns perfectly with this model.


IOUs already operate the backbone systems where DC thrives. Munis already operate the distribution systems where AC remains essential.


3. Why This Matters for Wildfire Terrain

DC architecture:


  • reduces conversion heat

  • reduces failure points

  • pairs naturally with storage

  • behaves predictably under stress

  • supports modular microgrids


This is directly aligned with the AC/DC wildfire doctrine.


4. Strategic Advantage for FieldSpan

We didn’t just react to ABB’s announcement — we anticipated it.

This gives FieldSpan:


  • narrative leadership

  • architectural foresight

  • alignment with global engineering trends

  • credibility with IOUs, innovators, and hazard‑tech founders

  • a clear lane in grid‑modernization clarity


5. The Hybrid Grid Is No Longer Optional

The future is:


  • DC for density

  • AC for delivery

  • Hybrid nodes for resilience

  • Terrain‑informed clarity for homeowners and builders


We saw this coming. ABB just confirmed it.

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