View source for Planetary Shield Generator

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==Summary==
The Planetary Shield Generator is a defensive facility providing a shield that covers a planet partially. The Planetary Shield Generator will absorb surplus power from the planetary energy grid, similar to how a [[Accumulator]] would. The absorbed energy is  first used to initialize the shield generator, and after the necessary energy was stored to complete initialization any additional energy is then stored to act als a buffer for the actual shield. Planetary shields absorb fire from [[Dark Fog Space Units]], which depletes the internal energy buffer. Upon depletion, the planetary shield will vanish until the energy reserves are restored. 

=== Production Chain ===
{{ProductionChainTable/head}}
{{ProductionChain
|Building=Assembler
|Replicator=Yes
|Technology=Planetary Defense System
|Recipe=           
  {{ItemRecipe
    |Out1=Planetary Shield Generator
    |Out1Qty=1
    |CraftTime=30 s
    |In1=Steel
    |In1Qty=20
    |In2=Electromagnetic Turbine
    |In2Qty=20
    |In3=Super-Magnetic Ring
    |In3Qty=5
    |In4=Particle Container
    |In4Qty=5
    }}
  }}
|}
===Production Progression Chart===
{{ProgressionChartHatnote}}
[[File:8 shield generator Planet.png|thumb|591x591px|A planet being covered by 8 Planetary Shield generators, preventing Relay Stations to settle.|border]]

=== Trivia ===

* The maximum number of Planetary Energy Shield Generators  is limited to 80 per planet. 
* If two generators are placed in sufficient proximity their coverage areas will meld together rather than creating a simple overlap, increasing coverage considerably.
* Planetary Shields repel incoming  [[Relay Station|Relay Stations]]. The actual altitude of the shield is irrelevant, it will repel the relay as long as it is present. 
* The planetary Shield will initiate at 1.44 GJ of stored energy, providing itself with a low altitude shield to prevent its own destruction.  After 2.88 GJ of stored energy the Shield generator is fully initialized, providing a Planetary Shield of full size. 
* Energy absorption from shields takes higher grid priority than the charging of Accumulators, regardless if placed or charged via [[Energy Exchanger]].

=== Player Tips & Tricks ===

* Landings of Relay Stations can be prevented with just 8 shields minimum.  There are multiple arrangements that achieve this. 
* For the achievement  [[A.T Field]] a minimum of 16 Shield generators is required. (needs further confirmation if this is the true minimum)
* A Geothermal Power Station placed on a Lv.1 [[Core Drill]] (remains after clearing a [[Dark Fog Base]]) will deliver enough energy to fully maintain the idle consumption of a Planetary Shield Generator + some extra. 
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