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IB ESS HL 7.2.5 Intermittent Energy Production Questions

Practise IB ESS HL 7.2.5 by applying intermittent energy production concepts to environmental systems questions.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • Some renewables require energy storage
  • Solutions: batteries, pumped hydroelectricity, fuel cells, thermal storage

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Study 7.2.5—Intermittent energy production conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS HL 7.2.5 Intermittent Energy Production Questions question 1

[Maximum number: 1]
Electricity generation in Costa Rica by energy source (1990-2016)

Figure:Electricity generation in Costa Rica by energy source (1990-2016)

Identify one possible reason why there has been a change in the quantity of electricity generated from wind as shown in Figure: Electricity generation in Costa Rica by energy source (1990-2016).

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