Radioactive Waste Storage

2026-03-15T06:47:42Z

Less than nothing: Updated stored amount and max receive fission product continuously as changed in u3

{{Infobox machine
| Name = Radioactive Waste Storage
| Description = A special underground storage facility that can safely manage any [[Spent Fuel|radioactive waste]] without causing any danger to the island's [[Population]]. Leaving a legacy for the next generations to come.
| Recipe =
{{Machine Recipe
| Input1Name = Construction Parts III
| Input1Qty = 150
| Input2Name = Concrete Slab
| Input2Qty = 500
}}
| Workers = 10
| Electricity = 120 KW
| Maintenance = None
| Footprint = 16x16
| Cargo = {{infoicon|Spent Fuel}}<br>{{infoicon|Spent MOX|new=yes}}<br>{{infoicon|Plutonium|new=yes}}<br>{{infoicon|Fission Product|plural=s|new=yes}}
| Storage = 2400
| Research = Nuclear Reactor
| Designation = Storage
}}
'''Radioactive Waste Storage''' is a building that can store nuclear wastes safely: {{infoicon|Spent Fuel}}, {{infoicon|Spent MOX|new=yes}}, {{infoicon|Plutonium|new=yes}}, and {{infoicon|Fission Product|plural=s|new=yes}}. This building prevents radioactivity from endangering the {{infoicon|Population|ui=yes}}. It cannot accept any other types of materials.

{{infoicon|Fission Product|plural=s|new=yes}} stored here will decay and turn into {{infoicon|Retired Waste|new=yes}} over 100 years. So, the storage can receive at most 2 {{time}} of {{infoicon|Fission Product|plural=s|new=yes}} continuously.

While the storage is paused:
*The storage keeps preventing radioactivity from endangering the {{infoicon|Population|ui=yes}}.
*{{infoicon|Fission Product|plural=s|new=yes}} in the storage continue to decay.
*Of course, transport from/to the storage stops.

==Historical data==
Before the version 0.5.0, the building was called "Nuclear Waste Storage" and had slightly different appearance.
<gallery>
File:Nuclear Waste Storage (old).png|Nuclear Waste Storage before 0.5.0.
</gallery>

{{recipe define
| Input1Name = Fission Product
| Input1Qty = 1
| Time = 72000 
| Output1Name = Retired Waste
| Output1Qty = 1
}}
{{Footer Infobox}}

Radiation

2026-03-14T15:57:19Z

Less than nothing: Radiation Penalty starts at 520 instead of 480 since Update 1

{{Infobox material
| Name = Radiation
| Type1 = Pollution
| State = Virtual
}}
'''Radiation''' is a virtual pollutant in the game that slows {{infoicon|Population|Population Growth}} by reducing the birth rate. It’s produced by overheated [[Nuclear Reactor]]s ([[Nuclear Meltdown]]) and unsafely stored radioactive materials like [[Spent Fuel]].

== Sources ==
* '''Reactor Leaks''': Occur during a [[Nuclear Meltdown]], caused by maxed-out heat from excess {{infoicon|SteamHp|text=Steam (High)|link=Steam (High)|new=yes}} or {{infoicon|SteamSp|text=Steam (Super)|link=Steam (Super)|new=yes}} and insufficient cooling water.
* '''Radioactive Materials''': Generated when materials like [[Spent Fuel]], [[Spent MOX]], [[Plutonium]], and [[Fission Product]] are stored outside a [[Radioactive Waste Storage]], including during transport or at the [[Shipyard]].

== Effects on Population Growth ==
* '''Impact''': Reduces the birth rate, not {{infoicon|Health}} directly, slowing population growth.
* '''Averaging Period''': Radioactive material effects are averaged over 4 months.
* '''Maximum Penalty''': Total birth rate reduction can reach up to around -4 to -5 Growth under severe conditions.

=== Reactor Leaks ===
* '''Penalty''': Each leak reduces birth rate by roughly 0.13 Growth per month (based on frequency), with effects lingering over time.
* '''Example''': 1 leak per month ≈ -0.13 Growth; 10 leaks per month ≈ -1.3 Growth or more.

=== Radioactive Materials ===
* '''Penalty''': Starts at 520 units of radiation (no effect below this), with every 800 units above adding 1 Growth penalty, capped at -2.5 Growth.
* '''Radiation Levels''': Sum of exposed materials’ levels contributes to the total.
* '''Examples''':
** 1000 units per month = -0.65 Growth ((1000 - 520) ÷ 800).
** 4000 units per month = -2.5 Growth (maximum material penalty).
{| class="wikitable"
|+
!Material
!Radiation Level
|-
|{{infoicon|Spent Fuel|new=yes}}
|2
|-
|{{infoicon|SpentMox|text=Spent MOX|link=Spent MOX|new=yes}}
|2
|-
|{{Infoicon|Plutonium|new=yes}}
|3
|-
|{{Infoicon|Fission Product|new=yes}}
|6
|}

== Management Tips ==
* '''Prevent Meltdowns''': Ensure [[Nuclear Reactor]]s have adequate cooling water and manage {{infoicon|SteamHp|text=Steam (High)|link=Steam (High)|new=yes}} or {{infoicon|SteamSp|text=Steam (Super)|link=Steam (Super)|new=yes}} overflow.
* '''Safe Storage''': Use [[Radioactive Waste Storage]] to contain radioactive materials, or reprocess them in a [[Nuclear Fuel Reprocessing]] facility.
* '''Minimize Exposure''':
** Build reactors, reprocessing plants, and storage close together to shorten transport routes.
** Use [[Flat Conveyor|Tier I belts]] for quick movement and avoid long belts.
** Assign a single [[Pickup|small truck]] for transport to limit exposure time.
* '''Handle Moves Carefully''': When relocating stored waste, move it gradually to avoid a sudden radiation spike from multiple trucks.

{{Footer Infobox}}

Captain of Industry Wiki - User contributions [en]

Radioactive Waste Storage

Radiation