Field notes from the frontier of firm power.
Centauri's dispatch desk, analytical perspective on advanced solar, energy systems, US manufacturing, and the policy shaping how firm, sited power gets built.
Firm solar and the new shape of the interconnection queue
Storage-paired generation is quietly rewriting how projects clear interconnection study. A field note on queue design, the curtailment math, and what “firm” has to mean before an asset is bankable.
Read Centauri by the questions we keep answering.
Analysis grouped by stream, technology, markets, policy, and manufacturing. Filter to the thread you follow; the register refreshes as new notes clear the desk.
- INS-01Technology
The temperature coefficient is a commercial number
How a module behaves in the heat quietly sets its lifetime yield, and why the datasheet line matters to the model, not just the lab.
Jun 12, 20267 min - INS-02Markets
Datacenter load is a generation problem now
Hyperscale demand has outgrown the grid it plugs into. Firm, sited generation is becoming a procurement question, not an afterthought.
Jun 05, 20268 min - INS-03Policy
FEOC and MACR, without the acronym soup
What the sourcing rules actually ask of a project, read as design constraints rather than compliance boilerplate.
May 30, 202610 min - INS-04Manufacturing
What a US cell line actually requires
Beyond the ribbon-cutting: the tooling, throughput, and yield realities behind a domestic cell-and-module footprint.
May 22, 20269 min - INS-05Technology
Degradation curves you can underwrite
Year-one loss, linear decline, and the difference between a marketing curve and one a lender will accept.
May 14, 20266 min - INS-06Markets
The PPA is quietly becoming a firming contract
As buyers ask for shaped, around-the-clock power, the offtake conversation moves from price per MWh to reliability.
May 06, 20267 min - INS-07Policy
Domestic content as a sourcing design constraint
Treating content thresholds as an engineering input, decided at the bill of materials, not at the filing.
Apr 28, 20268 min - INS-08Manufacturing
Yield, throughput, and the cost of a clean line
The three numbers that decide whether a line is competitive, and how they trade against one another in practice.
Apr 19, 20269 min - INS-09Technology
Bifaciality, albedo, and the honest yield model
Rear-side gain is real, site-specific, and easy to overstate. A conservative way to put it in the production estimate.
Apr 10, 20266 min
The longer notes, for readers who want the working.
Formal technical notes and primers, materials, systems, reliability, policy, and O&M. Open a row to read the abstract and what's inside; request the full note from the desk.
- Abstract
An introduction to the selenium thin-film cell: band structure, deposition, and the properties that make it interesting for terrestrial and space-heritage applications, written for a technical-but-non-specialist reader.
Request the notePDF · 12 ppInside- Where selenium sits against silicon and other thin films
- Temperature behaviour and its effect on modelled yield
- Open questions the research pathway is designed to answer
- Abstract
A reference framing for pairing generation with storage to deliver shaped, reliable output, dispatch logic, sizing trade-offs, and how “firm” is specified in an offtake context.
Request the notePDF · 18 ppInside- Sizing the battery to the shape, not the nameplate
- Curtailment as a design variable rather than a loss
- What underwriters look for in a firming stack
- Abstract
How module reliability is evidenced through test regimes and a staged certification pathway (IEC · UL · CEC), and why references are published only when supported by test reports.
Request the notePDF · 9 ppInside- The test sequence behind a bankable datasheet
- Reading a warranty as a controlled claim
- Field evidence vs. laboratory qualification
- Abstract
A practical read of domestic-content and FEOC / MACR positioning as sourcing design constraints, what the rules ask of a bill of materials, held against current guidance.
Request the notePDF · 14 ppInside- Content thresholds decided at the BOM stage
- Documentation that survives diligence
- Positioning that stays subject to current guidance
- Abstract
The telemetry and analytics that keep a fleet honest, availability, performance ratio, and the small set of metrics that predict portfolio-wide uptime.
Request the notePDF · 11 ppInside- The metrics worth alerting on
- Turning telemetry into an underwriting signal
- Closing the loop from field to model
Technical notes are analytical and representative. They are not specifications, certifications, or warranties, and nothing in the library should be read as a performance or compliance guarantee.
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