Hybrid Side A - Heat sources and exchangers only
- Heat exchangers
- 48
- Steam turbines
- 0
- Size (tiles, width x height)
- 10 x 108
Factorio BlueprintsAll nuclear reactor blueprintsTileable 480 MW Hybrid Nuclear and Heating Tower Strand Blueprint
A narrow strand that places heating towers among nuclear reactors while keeping the reactors' neighbour bonus; the book has A and B sides and a starter with solar.

Image of the Kojab8890 Hybrid Strand nuclear plant blueprint
480 MWOutput (computed)
This blueprint holds the reactor and heat-exchanger side only, with no turbines, so the 480 MW is the designer's stated figure for the strand when paired with your own turbines.
String exported by Factorio 2.0.76.0. Decoded and checked by this site; not test-imported in the game.
The output shown is computed by this site from the blueprint itself, using normal-quality numbers from the official wiki. Each reactor makes 40 MW of heat plus another 40 MW for every fuelled reactor touching it, which is why a 2x2 block gives 480 MW and a long double row gives 160 MW per reactor minus 160 MW. A heat exchanger turns at most 10 MW of heat into steam and a steam turbine turns that steam into 5.82 MW, so the plant delivers whichever of the three totals is smallest: reactor heat, exchanger capacity or turbine capacity.
A plant is balanced when its exchangers can take all the reactor heat and its turbines can use all the steam. With normal-quality buildings that is one heat exchanger for every 10 MW of heat and about 1.72 turbines per exchanger, because one exchanger makes roughly 103 steam per second and one turbine uses 60. Compare this plant's counts with that: more turbines than needed is harmless, but too few exchangers caps the output.
The blueprint has no automatic fuel delivery: insert fuel cells by hand or connect your own belt or robot supply, and remove spent cells, which otherwise block new fuel. A fuel cell burns for 200 seconds whether or not the power is used.
The designer combines heating towers with reactors for local steam power, using the towers' large size to carry heat like thick heat pipes. There is no automatic fuel delivery in the main strand, so plan how cells and tower fuel reach it.
The book has two heat-only sides (A and B), a 480 MW starter plant with solar, two full 480 MW strand sides and concrete versions of both. The heat-only sides make no power until you add exchangers' steam to turbines.
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Copy the string and press Import string on the shortcut bar in the game, then paste. It was exported from the Factorio 2.0 version shown above. This site decoded it and counted the reactors, exchangers and turbines, but did not import it in the game; check the designer's notes above for water and start-up needs.