Editing Advanced Nuclear and Small Modular Reactors (SMRs) (section)

== <span style="color: #FFFFFF;">Remembering</span> ==
* '''Small Modular Reactors (SMRs)''' — Advanced nuclear reactors that have a power capacity of up to 300 MW(e) per unit, which is about one-third of the generating capacity of traditional nuclear power reactors.
* '''Modularity (Factory Assembly)''' — The core economic innovation. SMR components are mass-produced in a central factory, shipped to the deployment location, and assembled like Lego blocks, drastically reducing the massive on-site construction delays and cost overruns of traditional reactors.
* '''Passive Safety Systems''' — Traditional reactors rely on "Active Safety" (massive electric water pumps) to cool the reactor. If the power fails, the reactor melts down (e.g., Fukushima). SMRs are designed with "Passive Safety." They rely entirely on the unchangeable laws of physics (gravity, natural convection, and pressure differentials) to automatically circulate cooling water. If all human operators die and all power is lost, the reactor mathematically cools itself and shuts down safely.
* '''Decay Heat''' — The terrifying reality of nuclear shutdown. Even after the nuclear chain reaction is stopped, the radioactive fuel rods continue to generate massive heat for weeks. SMRs are physically small enough that this decay heat can be safely dissipated into a surrounding underground pool of water without requiring massive electric pumps.
* '''Load Following''' — Traditional nuclear plants must run at 100% power, 24/7. SMRs are designed to be flexible. They can quickly ramp their power output up or down (Load Following) to perfectly balance the chaotic, intermittent surges of solar and wind power on the modern grid.
* '''High-Assay Low-Enriched Uranium (HALEU)''' — The new fuel. Traditional reactors use uranium enriched to 5%. Many advanced SMRs require HALEU, enriched up to 20%. It allows the reactor to be much smaller and run for a decade without needing to be refueled.
* '''Molten Salt Reactors (MSR)''' — An advanced Gen-IV reactor design. Instead of using solid uranium rods cooled by highly pressurized water, the uranium is dissolved directly into liquid, boiling salt. Because the salt operates at normal atmospheric pressure, the reactor physically cannot explode, completely eliminating the need for massive, expensive concrete containment domes.
* '''Microreactors''' — The extreme end of the SMR scale. Tiny, 1-Megawatt nuclear reactors that fit inside a single shipping container. Designed to be dropped by a helicopter into a remote military base or an isolated arctic mining town, running silently for 10 years without refueling.
* '''The Licensing Bottleneck''' — The massive regulatory hurdle. The US Nuclear Regulatory Commission (NRC) was designed to regulate massive, 1970s water reactors. The complex, rigid bureaucracy struggles to license radical, new SMR designs, delaying the industry by years.
* '''NuScale Power''' — One of the leading American SMR companies. In 2020, their design became the first SMR to ever receive safety approval from the US NRC.
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