How much does California generate electricity from the sun?

[FACTFUL MATH] Grade level: 4 – 6th grades

Math skills: Percentage

Related Environmental issues: Renewable Energy

California’s solar panels generated 66 kwh of electricity per person in December, 2020.

The average Californian uses 186 kwh of electricity in a month at home. What percentage does electricity generated from the sun make up?


66 / 186 x 100 = 35(%)

Numbers used here….

•California generated 2,617 thousand megawatthours of electricity from solar panels in December 2020. (EPA Electric Power Monthly, Table 1.17.A)

•The population in California is 39.51 million.

•The average household electricity usage was 557kwh per month in California (California Public Utilities Commission)

•The average size of households in California was about 3 (Statista)

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Factful Environmental Math Problems (2020)

Available from Amazon  (paperback)

About this book

The objective of Factful Environmental Math Problems is to cultivate our young people’s skills to analyze and evaluate fact-based data for understanding our world, while improving their math skills and critical thinking skills.

With the rise of the Internet and new technology, building skills to analyze and evaluate fact-based data becomes increasingly important for our young people to prepare for this rapidly changing world. These skills minimize their chances of being brainwashed by false information and making uninformed decisions and ultimately help develop their critical thinking skills. (Read more)

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Published: March 26, 2020

Price: $6.25