cases/03 · S2 · connected industries

Electricity in the network of industries — map v2 (9 connected industries)

The main result is not a list of facts but a typology of nodes: how an industry is connected to electricity determines where the margin settled.

9 deep tracks · ~90 sources typology of nodes 1880–1940

Graph A · upstream

What electricity is made of — raw materials → components → core

Node color = node type. On the left — low-margin commodity; in the center — enabling components with IP and barrier-openers. The loop at the bottom: current electrolytically refines copper and smelts aluminium, which return as conductors.

commodity-input enabling-component (IP) barrier-opener core · electricity

The electrolysis loop. Anaconda/Great Falls (1893): electrolytic copper — wire purified by its own current. Hall-Héroult at Niagara (ALCOA, 1895): the aluminium conductor exists only thanks to cheap hydro. Power is a self-reinforcing loop: cheap energy → cheap refined metal → more grids → more demand.

Graph B · downstream

What electricity became part of — core → tech nodes → industries

On the edges — the opening fact with a date. The color of an industry node = the type of connection node.

reagent / industry-creator barrier-opener adjacent higher-margin core

★ Core of the systematization

Typology of nodes — 5 connection types, each distributing the margin differently

commodity-input A critical but low-margin input.

Electricity: copper, coal, structural steel.
Margin: not with the owner of the raw material, but with the controller of the chokepoint (refining, logistics, heat-rate).

enabling-component (IP) A specialized component with a patent > commodity.

Electricity: Si-steel, turbine, HV insulator, meter.
Margin: a concentrated oligopoly, patent rent.

barrier-opener Removes a physical limit → opens up an asset class.

Electricity: elevator→skyscraper, insulator→long-distance transmission, refrigeration→cold chain.
Margin: maximum value, but it leaks to the adjacent asset (land).

reagent / industry-creator An input technology that created an industry that did not exist.

Electricity: electrolysis → aluminium, chlor-alkali, carbide.
Margin: with the owner of the process + cheap resource (ALCOA).

adjacent higher-margin The margin migrates from energy into an adjacent sector.

Electricity: radio / electronics.
Margin: moves out of the utility (regulated, low) into information (the RCA pool, high).

§1 of the analysis

Map of the 9 connected industries

#	Industry	Connection	Node type	Who captured the margin	Key fact
U1	Copper	⬆ input	commodity-input	the controller of refining (ASARCO/Guggenheim), not the mine	~½ of all copper → electrical; loop: current electrolytically refines copper for wire
U2	Energy (coal+hydro)	⬆ input	bottleneck-commodity	the controller of the chokepoint (hydro dam site, rail logistics, heat-rate)	coal 56% / hydro 34% (1930); heat rate 38000→<10000 BTU/kWh
U3	Steel + turbine	⬆ input	commodity vs enabling-IP	the turbine oligopoly (GE/WH/Allis) + the Si-steel patent	Parsons turbine ×10,000 over its lifetime; Si-steel — patent rent
U4	Insulation / dielectrics	⬆ input	enabling / barrier-opener	HV-insulator makers; Bakelite → a new sector	the suspension insulator 1907 opened 110–220 kV; Bakelite (1907) → plastics
D1	Electrometallurgy / chemistry	⬇ output	reagent / industry-creator	owners of cheap hydro + the process (ALCOA)	Al Hall-Héroult 1886: price ×40 down ($12→30¢); "frozen electricity"
D2	Electric transport	⬇ output	barrier-opener / adjacent-asset-seller	land developers along the lines, not the transport (often loss-making)	Sprague 1888; Pacific Electric/Huntington — the streetcar as a tool for selling land
D3	Elevator → skyscraper	⬇ output	barrier-opener	landowners/developers (the rent of verticality), partly Otis	gearless Otis 1902 = "a building of any height"; it inverted the value of floors
D4	Communications → electronics	⬇ output	adjacent higher-margin	the RCA patent pool (royalties ~$7M/yr)	triode 1906 → electronics; the margin moved out of energy into information
D5	Refrigeration + AC	⬇ output	barrier-opener / new-format-and-geography	equipment (Carrier/Frigidaire) + supermarkets + Southern developers	Freon 1928 → supermarket (Piggly Wiggly); AC → Sun Belt 28%→40%

§3 · meta-conclusion across the whole network

Where the margin actually settled

Not in the raw materials, and not always in the barrier-opening component, but at four points in the web:

The commodity chokepoint — copper refining, the cheap hydro dam site.
The patented enabling component — silicon steel, the steam turbine.
The adjacent asset that the barrier opened up — land by the streetcar and the elevator.
The patent pool of a higher-margin adjacent sector — RCA in electronics.

§4 · transfer to your bet

A 5-question screen for any AI bet

Which node is this? commodity / component-IP / barrier-opener / reagent / adjacent-sector.

Where is the chokepoint? If it is a commodity (compute / energy / data) — don't own the "raw material," occupy the chokepoint (scarce access, a refining analog).

Is there an "elevator"? Which hard limit in the AI industry does it remove (as the elevator removed the floor ceiling)? A barrier-opener = the maximum of new value.

Where will the margin leak to? To the adjacent asset / patent / standard. Occupy THAT, not the service itself (the streetcar was loss-making — the land was what got sold).

Does AI create an industry that does not exist? (reagent) — the strongest pattern, the way electrolysis created the aluminium industry.