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Please help with verifying or updating older sections of this article. At least some were last verified for version Pre-release.

This article is for the PC version of Stellaris only.
File:Technology interface.png
Technology interface.

Technology is a central pillar of any interstellar empire. It has allowed them to reach the stars and it will be what allows them to succeed against other empires.

There are roughly 300 technologies in the game, though these will not all be available to the player in a given play-through. Engineering, Physics and Society technologies are researched separately using different research resources. There is no "tech tree", instead players are presented with a number of different choices of techs to research.

The card system

The "card" system.

Stellaris doesn't have a tech tree in the normal sense of the word, instead it presents the player with a quasi-random selection of technologies that may or may not appear later on during a playthrough.[1]

A good analogy for this process is a deck of cards in which each card represents a different technology. As soon as a tech is selected for research, the remaining "cards" are placed back into the deck which is then reshuffled. However, in this "shuffling" some cards are weighted to appear more often than others. This is especially common in the early game where some "cards" are extremely likely to appear as to allow all players to get a fair start. Additionally, an empires' ethos, the leading scientists' traits, the current researched technologies, etc. all factor in into this weighting.

Special technologies

Certain technologies are considered "special" and are marked in a different color so players can recognize their rarity. These are techs that might only appear once in a playthrough and, as such, should probably always be picked.

There are also unique technologies that can only be learned via the investigation of anomalies, debris, etc.

After some time it's possible to reach a point where procedurally generated techs get a chance of appearing more and more often after many of the "normal" technologies are successfully researched.

There's also the possibility of having "advanced" techs appearing during the later stages of a game. These are high reward/high risk opportunities that can give an empire a significant advantage in the race to victory but may trigger terrible consequences such as crises. Some advanced techs are dependent on the species' ethos.

Technology types

Technology is divided into three types: Physics, Society and Engineering.

As a game progresses, the technology choices for each empire will begin to include progressively more advanced and correspondingly more expensive technologies, meaning that building research labs and stations should be a priority. Technology costs also scale with the size of an empire's population,[2] which makes it possible for small empires to maintain technological parity with larger ones.


Each technology is also part of a category, which are independent of the three types. So far the following categories are known (category names in italics are speculative):

  • Biology.png Biology
  • Computing.png Computing
  • (unrecognized string “diplomacy” for Template:Icon) Diplomacy
  • Field Manipulation.png Field Manipulation: Bending fundamental forces to our will.[3]
  • Industry.png Industry: Ingenuity and productivity.
  • Materials.png Materials
  • Military Theory.png Military Theory
  • New Worlds.png New Worlds: Colonization protocols and pioneer training.
  • Particles.png Particles: Isolating and utilizing particulate matter and phenomena.
  • Psionics.png Psionics
  • Propulsion.png Rocketry: The study of explosive propulsion.
  • Voidcraft.png Voidcraft: Space is the final frontier. To master it, is to master the future.[3]

List of Technologies

These lists are based on incomplete information and may not be accurate.


Technology C Cost Effects Description
Field Modulation Industry.png 240
  • Energy Storage Capacity: +250
  • Unlocks Building: Power Plant II
  • Unlocks Building: Betharian Power Plant II
Modulated fields allow for increased production and improved energy yield.
Global Energy Management Industry.png 240
  • Energy Storage Capacity: +250
  • Unlocks Building: Power Hub I
Load-balancing facilities can greatly improve the stability of local grids and feed excess power back into centralized capacitors.
Orbital Energy Conversion Industry.png 240
  • Unlocks Module: Solar Panel Network
Advances in solar panel technology could potentially reduce the operating costs of our spaceports. The panels would require an entire spaceport module to generate enough energy, however.
Quantum Energy States Industry.png 900
  • Energy Storage Capacity: +250
  • Unlocks Building: Power Plant III
  • Unlocks Building: Betharian Power Plant III
Basic entanglement principles applied to energy generation provide a substantial increase in ebergy output.
Planetary Power Grid Industry.png 900
  • Energy Storage Capacity: +500
  • Unlocks Building: Power Hub II
A re-engineered and unified grid further reduces energy losses over distance.
Deflectors Field Manipulation.png 240
  • Unlocks Component: Deflectors
Energy deflector screens can stop a limited amount of incoming enemy fire before overloading. Their main drawback is that they consume large amounts of power.
Improved Deflectors Field Manipulation.png 600
  • Unlocks Attachment: Mobile Shield Generators
  • Unlocks Component: Improved Deflectors
These updated deflector screens are capable of soaking up even more punishment before they overload.
Warp Field Stabilizers Field Manipulation.png 1200
  • Unlocks Component: Warp Drive II
Improved stabilization techniques for warp fields will allow our ships to travel farther while expending less energy.
Shields Field Manipulation.png 1500
  • Planet Fortification Toughness: +20.0%
  • Unlocks Component: Shields
These new shield generators represent the next generation of energy screens, replacing the older deflector technology. They offer significantly better protection.
Wormhole Containment Fields Field Manipulation.png 2320
  • Wormhole Generation Rate: +25.0%
  • Wormhole Range: +75.0%
Fusion Power Particles.png 240
  • Energy Storage Capacity: +250
  • Unlocks Component: Fusion Reactor
Nuclear fusion processes generate a great amount of power, but without many of the risks associated with fission power.
Blue Lasers Particles.png 480
  • Unlocks Component: Blue Laser
More powerful than red lasers, these blue variants emit electromagnetic radiation at a wavelength that appears blue or violet to most organics.
Red Lasers Particles.png 787 [calc]
  • Unlocks Module: Laser Defense Module
  • Unlocks Component: Red Laser
Cold Fusion Power Particles.png 900
  • Energy Storage Capacity: +250
  • Unlocks Component: Cold Fusion Reactor
The ability to sustain a fusion reaction at relatively low temperatures will result in a new generation of fusion reactors.
Disruptors Particles.png 900
  • Unlocks Component: Disruptor
Plasma Throwers Particles.png 900
  • Unlocks Component: Plasma Thrower
Weapons that eject destructive balls of high-energy plasma at targets. These plasma projectiles are extremeley effective at eating through ship armor.
UV Lasers Particles.png 900
  • Unlocks Component: UV Laser
Template:Rare Particles.png 1200
  • Unlocks Component: Cloud Lightning
Void Clouds use the electrical charges generated by the dense gases that make up most of their core to release bolts of burning plasma. Using the same gas composition together with a specialized conduit allows for powerful lightning weaponry.
Antimatter Power Particles.png 1800
  • Energy Storage Capacity: +250
  • Unlocks Component: Antimatter Reactor
Plasma Accelerators Particles.png 1800
  • Unlocks Component: Plasma Accelerator
These new accelerators launch projectiles of high-energy plasma with improved containment fields. This results in less energy leakage as the projectile travels in space towards its target.
Proton Torpedoes Particles.png 2320
  • Unlocks Component: Proton Torpedoes
Phase Disruptors Particles.png 3880
  • Unlocks Component: Phase Disruptor
Gravitic Sensors Voidcraft.png 240
  • Survey Speed: +15%
These sensors have been tuned to look for any gravitational changes in space, such as those produced by the presence of a starship.
Template:Rare Voidcraft.png 360
  • Unlocks Module: Observatory
Powerful sensor arrays that can be added to the structure of orbital spaceports. They provide excellent sensor coverage of the surrounding region of space.'
Subspace Sensors Voidcraft.png 900
  • Survey Speed: +5%
  • Unlocks Component: Subspace Sensors
Sensors that deflect the subspace fluctuations left in the wake of travelling starships. Their sensitivity and range is greater than that of a gravitic sensor array.
Administrative AI Computing.png 240
  • Research Speed: +5.0%
Organizational circuitry rerouting academic fervor.
Quantum Theory Computing.png 240
  • Unlocks Building: Physics Lab I
Exploring the mediation of fundamental forces through subatomic particles.
Active Countermeasures Computing.png 480
  • Unlocks Component: Sentinel Point-Defense
The best defense is a good offense.
Specialized Combat Computers Computing.png 480
  • Unlocks Component: Basic Combat Roles
Active matrices tuned for specific combat-centric tasks greatly improve engagement efficiency.
AI-controlled Colony Ships Computing.png 600
  • Colony Development: -25.0%
Applied Quantum Physics Computing.png 900
  • Unlocks Building: Physics Lab II
The seemingly exocit behavior of tiny things can dramatically alter the way we think about bigger things.
Databank Uplinks Computing.png 900
    • Feature: Assist research
High-capacity quantum bands dedicated to databank transfers make possible virtually completely synchronous research operations across vast distances.
Interlinked Support Systems Computing.png 1200
  • Unlocks Component: Barrier Point-Defence
Arrays of defensive armaments prove much more effective than independent countermeasures.
Self-Aware Logic Computing.png 1200
    • Research Alternatives: +1
Uplink Miniaturization Computing.png 1800
  • Unlocks Feature: Improved Assist Research
Gravitational Analysis Computing.png 1980
  • Building Cost: -5.0%
Space-Time Theory Computing.png 2320
  • Unlocks Building: Physics Lab III
  • Unlocks Building: Physics Lab IV
Three dimensions, inextricable from the fourth.
Template:Rare Computing.png 2750
  • Research Speed: +5.0%
Template:Rare Psionics.png 1800
  • Unlocks Module: Navigator's Guild
  • Reveals Resource: Zro
An extremely rare aerosol of exotic particles. It has been deposited on a number of worlds through meteor impacts, but its true origin is a mystery. If ingested by psonically-gifted individuals, Zro acts as a very potent (and addictive) drug that enhances Psi abilities.
Satramene Refining Materials.png 900
  • Unlocks Module: Satramene Atmospheric Dispenser
  • Reveals Resource: Satramene
This gas is a naturally occuring stimulant found on some worlds. It has a calming effect on most beings, and can be used as a non-violent way of pacifying hostile individuals.


Technology C Cost Effects Description
Biodiversity Studies Biology.png 240
  • Unlocks Building: Biolab I
Hydroponics Biology.png 240
  • Unlocks Building: Hydroponics Farm II
Genome Mapping Biology.png 240
  • Leader Lifespan: +10
  • Food: +10%
Orbital Hydroponics Biology.png 240
  • Unlocks Module: Orbital Hydroponic Farms
Frontier Health Biology.png 360
  • Unlocks Building: Frontier Clinic
Engos Vapor Refining Biology.png 480
  • Unlocks Module: Engos Refinery
  • Reveals Resource: Engos Vapor
A naturally occuring stimulant that helps all forms of life adapt and evolve. It can also be used as a very potent conductor for energy weapons.
Xenobiology Biology.png 900
  • Unlocks Building: Biolab II
Studying life that arises on other worlds and beyond allows us to understand fundamental aspects of biology that were previously beyond our reach.
Xeno Integration Biology.png 900
  • Unlocks Policy: Leadership – Xenos Allowed
From disparate components do we build a whole greater than the sum of its parts.
Template:Rare Biology.png 1800
  • Unlocks Component: Amoeba Flagella
By breeding Space Amoebas in captivity, we can program their synbiotic flagella to as organic strike craft for our navy.
Centralized Command Military Theory.png 240
  • Army Upkeep: -10%
  • Unlocks Building: Military Academy
Doctrine: Space Combat Military Theory.png 240
  • Naval Capacity: +10%
Doctrine: Fleet Support Military Theory.png 360
  • Unlocks Module: Crew Quarters
  • Unlocks Module: Engineering Bay
Doctrine: Reactive Formations Military Theory.png 480
  • Naval Capacity: +10%
Gradual adaptation to the realities of deep-space combat allows us to effectively coordinate larger maneuvers.
Template:Rare Military Theory.png 480
  • Unlocks Building: Virtual Combat Arena
The advent of accurate pain emulators will at long last bridge the divide between the virtual and the real.
Combat Training Military Theory.png 600
  • Army Upkeep: -10%
Doctrine: Armada Battle Formation Military Theory.png 7609 [calc]
  • Fleet Size Limit: +40
Dangerous Wildlife Removal New Worlds.png 360
  • Unlocks Clearing Tile Blockers: Dangerous Wildlife
Dense Jungle Removal New Worlds.png 360
  • Unlocks Clearing Tile Blockers: Dense Jungle
Mountain Range Removal New Worlds.png 360
  • Unlocks Clearing Tile Blockers: Mountain Range
Sometimes there is very little difference between terraformation and demolition.
New Worlds Protocol New Worlds.png 360
  • Unlocks Ship Type: Colony Ship
  • Unlocks Edict: Capacity Overload
Noxious Swamp Removal New Worlds.png 360
  • Unlocks Clearing Tile Blockers: Noxious Swamp
Toxic Kelp Removal New Worlds.png 360
  • Unlocks Clearing Tile Blockers: Toxic Kelp
Specialized drones can mechanically clear vast swaths of toxic kelp with minimal use of biocides.
Volcano Removal New Worlds.png 360
  • Unlocks Clearing Tile Blockers: Volcano
Colonial Centralisation New Worlds.png 720
  • Monthly Influence: +1
  • Unlocks Edict: Production Targets
  • Unlocks Building: Planetary Capital
Planetary edicts are temporary planetary modifiers that can be activated by spending Influence.
Arid Colonization New Worlds.png 900
  • Unlocks Colonization: Arid World
Atmospheric Filtering New Worlds.png 900
  • Habitability: +5%
Continental Colonization New Worlds.png 900
  • Unlocks Colonization: Continental World
Specialized shelters and adaptive life support systems allow colonization of alien climates.
Desert Colonization New Worlds.png 900
  • Unlocks Colonization: Desert World
Ocean Colonization New Worlds.png 900
  • Unlocks Colonization: Ocean World
Environmental Control New Worlds.png 1200
  • Unlocks Clearing Tile Blockers: Sink Hole[more?]
Possibly obsolete.
Terrestrial Sculpting New Worlds.png 1200
  • Unlocks Feature: Terraforming Stations
  • Reveals Resource: Terraforming Gases, [name]
There is no simple solution to the problem of macro-scale reshaping of planetary crusts - only bigger trowels and orbitally-deployed drills.
Planetary Unification (unrecognized string “diplomacy” for Template:Icon) 240
  • Leader Recruitment Cost: -10%
  • Unlocks Edict: Propaganda Broadcasts
Ancient warring tribes, historic nations in conflict, now unified in empire. We must not, will not, crumble.
Galactic Ambitions (unrecognized string “diplomacy” for Template:Icon) 600
  • Border Range: +20%
  • Unlocks Component: Boosted Border Beacon
Reduces 'Cede Planet' and 'Cede Military Station' war demand cost.
Xeno Diplomacy (unrecognized string “diplomacy” for Template:Icon) 900
  • Unlocks Diplomacy: Form Federation
Advancing our understanding of interactions with – and manipulations of – the xeno is a necessary step in forming more permanent interstellar alliances.
Artificial Moral Codes (unrecognized string “diplomacy” for Template:Icon) 1200
  • Empire Leader Capacity: +2
  • Unlocks Attachment: Commissar Squads
It is circumstance that dictate what is moral. Define the circumstanes, and ethics is like clay in your hands.
Galactic Administration (unrecognized string “diplomacy” for Template:Icon) 1200
  • Monthly Influence: +1
  • Unlocks Building: Empire Capital-Complex
  • Unlocks Government: Advanced Government Forms
The Living State (unrecognized string “diplomacy” for Template:Icon) 1200
  • Empire Leader Capacity: +2
Template:Rare (unrecognized string “diplomacy” for Template:Icon) 1800
  • Edict Cost: -15.0%
  • Unlocks Attachment: Hypnotic Training Regimen
Thinking outside the box merely places you into another, somewhat larger box.
Proclamation Broadcasts V (unrecognized string “diplomacy” for Template:Icon) 3900 [?]
  • Planetary Edict Duration: +10%
Template:Rare Materials.png 3360
  • Unlocks Component: Regenerative Hull Tissue
Xeno Outreach 240
  • Unlocks Diplomacy: Offer Trade Deal
Adaptive Bureaucracy 360
  • Empire Leader Capacity: +2
  • Edict Cost: -15%
The progress we made calls for a new, nimbler form of administration that may aid rather than hinder us in our pursuits.
Talent Aquisition 2500
  • Leader Recruirment Cost: -5%


Technology C Cost Effects Description
Geothermal Fracking Industry.png 240
  • Mineral Storage Capacity: +500
  • Unlocks Building: Mining Network II
New fracking techniques will allow us to tap into previously unattainable pockets of geothermal resources deep beneath the planet's crust.
Mineral Processing Industry.png 240
  • Mineral Storage Capacity: +500
  • Unlocks Building: Mineral Silo II
  • Unlocks Building: Mineral Processing Plant I
Optimal processing of mined materials have allowed us to reach new levels of efficiency.
Offworld Construction Industry.png 240
  • Unlocks Module: Solar Panel Network
Powered Exoskeletons Industry.png 240
  • Army Damage: +5%
  • Minerals: +5%
  • Unlocks Attachment: Power Armor
Wearing a powered exoskeleton suit augments the user's strength and speed. The military applications are obvious, but it will also increase labor efficiency.
Nanomechanics Industry.png 240
  • Unlocks Building: Engineering Facility I
Advanced instrumentation allows for the study and practical application of physical systems at nanometric scales.
Betharian Refining Industry.png 360
  • Unlocks Building: Betharian Power Plant I
  • Reveals Resource: Betharian Stone
The Betharian minerals appear to have originated from singular source, but were scattered across the galaxy millennia ago. The minerals are most often encountered as pebble-sized clusters, and are highly flammable.
Robotic Workers Industry.png 480
  • Unlocks Attachment: Battle Strider Column
  • Unlocks Buildable Pop: Robot
Deep Core Mining Industry.png 900
  • Unlocks Building: Engineering Facility II
These massive drills are needed to access the rich mineral deposits that can often be found close to a planet's core.
Supersolid Materials Industry.png 900
  • Unlocks Building: Engineering Facility II
The production and understanding of supersolids are of immeasurable value to any and every space-age civilization.
Mass Drivers Materials.png 240
  • Unlocks Module: Projectile Defense Module
  • Unlocks Component: Mass Driver
These electromagnetic projectile launchers use magnets to accelerate armor-piercing rounds towards targets at high speeds.
Nanocomposite Materials Materials.png 360
  • Unlocks Attachment: Neo-Concrete Fortifications
  • Unlocks Component: Nanocomposite Armor
Reinforced nanocomposite hull plating can provide an extra layer of protection that could be the difference between life and death in a combat situation.
Garanthium Mining Materials.png 480
  • Unlocks Module: Garanthium Forge
  • Reveals Resource: Garanthium Ore
Establishing succesful Garanthium quarries poses unique challenges, as the ultra-hard quality of the ore makes it as difficult to mine as it is attractive.
Ceramo-Metal Materials Materials.png 600
  • Unlocks Component: Ceramo-Metal Armor
A combination of different metals and ceramics that result in a strong armor without sacrificing flexibility.
Autocannons Materials.png 900
  • Unlocks Component: Autocannon
Plasteel Materials Materials.png 1200
  • Unlocks Component: Plasteel Armor
Plasteel is an elastic material that combines many of the qualities of plastics and metal. It is relatively cheap to produce and can be used to augment ship armor.[possibly the component description]
Durasteel Materials Materials.png 1800
  • Unlocks Component: Durasteel Armor
This strong yet flexible material is capable of withstanding severe punishment. It serves well as ship armor.
Interplanetary Expeditionary Forces Voidcraft.png 240
  • Unlocks Army: Assault Army
  • Unlocks Attachment: Assault Landers
The invasion of another world is a staggering enterprise. There are immense logistical challenges that must be overcome before we can muster our first interplanetary armies.
Deep Space Outposts Voidcraft.png 240
  • Unlocks Station: Defense Platform
This will enable the construction of defensive deep space platforms far from the gravity wells of a planetary body.
Improved Spaceport Voidcraft.png 480
  • Mineral Storage Capacity: +1000
  • Unlocks Module: Corvette Assembly Yard
  • Unlocks Feature: Spaceport Level II
Enhancements to artificial gravity and life support systems allow for further expansion of orbital facilities.
Deep Space Stations Voidcraft.png 900
  • Unlocks Station: Defense Station
New construction methods will allow for the construction of even larger military stations in the depths of space.
Destroyers Voidcraft.png 900
  • Mineral Storage Capacity: +1000
  • Unlocks Ship Type: Destroyer
  • Unlocks Module: Corvette Assembly Yards
  • Unlocks Feature: Spaceport level III
Advanced Spaceports Voidcraft.png 1200
  • Mineral Storage Capacity: +1000
  • Unlocks Module: Destroyer Assembly Yard
  • Unlocks Feature: Spaceport Level IV
State-of-the-art orbital construction techniques result in spaceports the size of major planet side cities.
Carrier Operations Voidcraft.png 1500
  • Unlocks Component: Basic Fighter Wing
  • Unlocks Component: Basic Bomber Wing
These manned, short-range strike craft are launched from a mothership and rely on their speed and small size to survive long enough to punch through enemy defenses.
Template:Rare Voidcraft.png 1500
  • Military Station Build Cost: -15%
  • Military Station Health: +25%
The creation of a dedicated naval engineering corps will greatly benefit the construction of deep space defense platforms, decreasing building costs and increasing durability.
Cruisers Voidcraft.png 1800
  • Mineral Storage Capacity: +1000
  • Unlocks Ship Type: Cruiser
  • Unlocks Feature: Spaceport Level V
Expanded dry-docks allow for the construction of Cruiser-class military vessels.
Standardized Cruiser Patterns Voidcraft.png 1800
  • Unlocks Module: Cruiser Assembly Yards
Synapse Interceptors Voidcraft.png 1980
  • Strike Craft Damage: +5.0%
Deep Space Installations Voidcraft.png 2320
  • Unlocks Station: Fortress
These massive installations arte like cities floating in space. They can support a crew of thousands and are often equipped with firepower rivalling that of a fleet.
Battleships Voidcraft.png 2840
  • Mineral Storage Capacity: +1000
  • Unlocks Ship Type: Battleship
  • Unlocks Feature: Spaceport Level VI
Expanded dry-docks allow for the construction of Battleship-class military vessels.
Ion Thrusters Propulsion.png 240
  • Unlocks Component: Ion Thruster
These electric thrusters use beams of ions to generate thrust without the need for propellant.
Nuclear Missiles Propulsion.png 240
  • Unlocks Module: Missile Defense Module
  • Unlocks Component: Nuclear Missiles
Space-to-space missiles equipped with high-yield nuclear warheads. Although based on old pre-space technology, these crude fire-and-forget weapons can be surprisingly effective at range.
Fusion Missiles Propulsion.png 480
  • Unlocks Component: Fusion Missiles
These updated space-to-space missiles have more powerful fusion warheads and improved flight performance.
Antimatter Missiles Propulsion.png 900
  • Unlocks Component: Antimatter Missiles
Plasma Thrusters Propulsion.png 900
  • Unlocks Component: Plasma Thruster
An advanced from of electric propulsion, plasma thrusters afford ships greater sublight speeds and maneuverability.
Space Torpedoes Propulsion.png 900
  • Unlocks Component: Space Torpedoes
Space torpedoes are essentially very large, slow moving missiles. They are equipped with more powerful warheads and shield modulators that let them slip unmolested through energy screens.
Impulse Thrusters Propulsion.png 2320
  • Unlocks Component: Impulse Thruster
These highly advanced fusion-powered thrusters provide ships with unmatched maneuverability and speed under sublight conditions.
Swarmer Missiles Propulsion.png 2320
  • Unlocks Component: Swarmer Missiles
Offworld Construction 120
  • Unlocks Ship Type: Construction Ship
  • Unlocks Station: Mining station
  • Unlocks Station: Research station
Construction in space presents our engineers with new design challenges that must be solved before we can build orbital stations above other worlds.
Space Marine Corps 240
  • Unlocks Army: Assault Army
  • Unlocks Attachment: Assault Landers
Possibly obsolete.