Nuclear Power

Curriculum Connections: This topic corresponds to curriculum standards $E2.1$ and $E2.6$ .
Definition of Nuclear Energy: Nuclear energy is thermal energy produced by splitting a uranium atom into two smaller atoms through nuclear fission.
Thermal Mechanism: The fission process releases intense heat from the nucleus of the atom, which is then transferred to water to create steam that drives turbines for power production.

Total Nuclear Reactors in Canada: Canada operates a total of $19$ nuclear reactors.
Provincial Reactor Distribution:
- Ontario contains $18$ nuclear reactors.
- New Brunswick contains $1$ nuclear reactor.
Canadian Energy Contribution: Nuclear power fulfills $15\%$ of Canada's total energy needs.
Global Energy Contribution: Nuclear power produces $10\%$ of all electricity and energy utilized worldwide.
Classification as Non-Renewable: Nuclear energy is categorized strictly as a non-renewable energy source because it relies on uranium, a finite mineral resource that exists in limited quantities and can eventually be depleted.

Minimal Land Footprint: Generating nuclear power does not require large expanses of land. It requires $450 \times$ less land area than solar energy installations to produce the same volume of electrical power.
Consistency and Reliability: Nuclear energy acts as a stable, continuous baseload power supply that operates continuously around the clock ( $24$ hours per day).
Independence from Weather and Time: Solar and wind sources only generate energy between $10\%$ and $30\%$ of the day due to reliance on day-night cycles and weather variability, whereas nuclear output remains constant regardless of weather conditions or time of day.
Zero Direct Greenhouse Gas Emissions: The generation process of nuclear energy releases no greenhouse gases into the atmosphere.

Proliferation and Weaponization Risks: The raw material (uranium) processed to generate civilian nuclear electricity can also be refined and repurposed to produce nuclear weapons.
Major Accident Consequences: Potential operational failure or severe accidents at generating power stations can cause catastrophic and long-lasting harm to human populations and biological ecosystems.
Spent Fuel and Radioactive Waste Disposal: Used uranium fuel remains highly dangerous, radioactive waste for thousands of years, requiring extremely careful long-term containment, management, and storage to prevent environmental and biological contamination.