High Maintenance

Increases the monthly maintenance supply cost by 100 percent.

This is built into the Hyperion & the Ox

Hullmods
Modular	Accelerated Shields · Additional Berthing · Advanced Optics · Advanced Turret Gyros · Armored Weapon Mounts · Augmented Drive Field · Automated Repair Unit · Auxiliary Fuel Tanks · Auxiliary Thrusters · Blast Doors · Converted Hangar · Dedicated Targeting Core · ECCM Package · ECM Package · Efficiency Overhaul · Expanded Cargo Holds · Expanded Deck Crew · Expanded Magazines · Expanded Missile Racks · Extended Shields · Flux Coil Adjunct · Flux Distributor · Hardened Shields · Hardened Subsystems · Heavy Armor · High Resolution Sensors · Insulated Engine Assembly · Integrated Point Defense AI · Integrated Targeting Unit · Makeshift Shield Generator · Militarized Subsystems · Nav Relay · Operations Center · Recovery Shuttles · Reinforced Bulkheads · Resistant Flux Conduits · Safety Overrides · Shield Conversion - Front · Shield Conversion - Omni · Solar Shielding · Stabilized Shields · Surveying Equipment · Unstable Injector
Built-in only	Advanced Targeting Core · Civilian-grade Hull · Converted Cargo Bay · Delicate Machinery · Drive Field Stabilizer · Flux Shunt · Ground Support Package · Heavy Ballistics Integration · High Maintenance · Phase Field · No Weapon Flux · Salvage Gantry · Shielded Cargo Holds · Terminator Core
Damage mods	Compromised Armor · Compromised Hull · Compromised Storage · Damaged Flight Deck · Defective Manufactory · Degraded Engines · Destroyed Weapon Mounts · Erratic Fuel Injector · Faulty Power Grid · Glitched Sensor Array · Ill-Advised Modifications · Increased Maintenance · Malfunctioning Comms · Phase Coil Instability · Structural Damage · Unreliable Subsystems
Faction mods	Fourteenth Battlegroup · Militarized Hegemony Auxiliary
Special	Always Detaches · Automated Ship · Axial Rotation · Fighter Chassis Storage · Never Detaches · Reduced Explosion · Shared Flux Sink · Stealth Minefield · Targeting Supercomputer · Vast Bulk

Only up to date for version 0.8.1a-RC8. It is likely still broadly correct but not verified for the most up to date data yet. Please double check the Version History