Challenges of using wave energy to generate electricity

After having written articles about

why wave energy is a great renewable energy source and

technologies to generate electricity from waves,

I wondered why this is not widespread yet.

In this article, I explain challenges that need to be overcome:
https://medium.com/@ErlijnG/why-ocean-wave-energy-isnt-our-main-renewable-energy-source-yet-c02d2f1cce32

Using wave energy is challenging, but possible! (credit: eamesBot on Shutterstock)