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Sascha Janssen

Principal Solutions Architect @AWS working with the energy industry. Outside-in views on grid modernisation, distributed trust, and the infrastructure in between. Opinions my own.
500MW and No Receipts

500MW and No Receipts

AI data centres are the grid’s most significant new load. They’re also its least verifiable flexibility participant.
Sascha Janssen 10 Jul 2026
Five Primitives No One Assembled

Five Primitives No One Assembled

A minimum viable architecture for flexibility market verification exists in pieces. Here is how they fit together.
Sascha Janssen 23 Jun 2026
The Integration Gap

The Integration Gap

The engineering primitives for verifiable flexibility settlement already exist. The industry just hasn’t picked them up yet.
Sascha Janssen 21 May 2026
The Witness Problem

The Witness Problem

What a flexibility settlement record has to prove — before anyone argues about who builds it.
Sascha Janssen 07 May 2026

The Referee Can't Keep Score

Why nobody in the energy market can build the verification layer — and why that seat will be created anyway.
Sascha Janssen 24 Apr 2026

The Aggregator’s Dilemma

Why no aggregator can verify what they delivered — and why a €71 billion market can't afford that.
Sascha Janssen 10 Apr 2026

The Number Nobody Can Verify

Energy settlement depends on baselines — calculated numbers that no party can independently prove were correct at the time.
Sascha Janssen 23 Mar 2026

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