How Do Renewables Lower the Cost of Electricity?
Articles/Websites
Grades9, 10, 11, 12Earth and Space Sciences, Economics
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Provided by The Climate Reality Project
What it is
- This article from The Climate Reality Project explains how wind and solar reduce electricity costs through zero-fuel operating costs, the merit-order effect, and long-term price stability via fixed-price power purchase agreements.
- Students will understand how storage, transmission, and policy incentives further lower system costs while improving reliability and equity.
Teaching tips
Positives
- The resource clearly connects real-world market mechanics to climate and energy decisions, supporting evidence-based discussion.
- The article provides an accessible bridge between science and economics, helping students evaluate trade-offs among reliability, cost, and emissions.
Prerequisites
- Students should be familiar with the basics of electricity generation (renewables vs. fossil fuels), supply and demand, and reading simple graphs/tables.
- Teachers may wish to print the article for offline reading and annotation.
Differentiation & Implementation
- To give students guidance in demonstrating their understanding of the article, teachers can provide sentence frames for argument writing.
- Teachers can organize a brief debate on whether new transmission or storage delivers bigger cost benefits in your region. Students can conclude with a one-paragraph policy recommendation.
- Teachers can make connections to the Sustainable Development Goals by describing the connection between. Goal 7, Affordable and Clean Energy, and Goal 13, Climate Action.
From the scientist review
This resource gives details on how electricity markets operate and how renewables can lower electricity bills. The article is well-sourced, with sources for all claims linked in the text. Common misconceptions about the limitations of wind and solar are also addressed. This resource is recommended for teaching.
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