[2026] PTE Academic Writing - Summarize written text

Wave energy harvesting, the process of capturing energy from the surface motion of ocean waves to generate electricity, is increasingly regarded as a high-potential component of the global renewable energy portfolio. Unlike wind and solar power, which are subject to rapid atmospheric changes, ocean waves are more predictable and possess a significantly higher energy density, meaning they can produce a more consistent supply of baseload power for coastal regions. Furthermore, as the majority of the world's population lives near coastlines, the proximity of this energy source reduces the need for expensive, long-distance transmission infrastructure.

However, the transition from experimental prototypes to large-scale commercial wave farms faces formidable engineering and environmental obstacles. The primary technical challenge is the mechanical stress caused by the immense power of storm waves and the corrosive nature of saltwater, both of which necessitate the use of extremely durable and expensive materials. Additionally, there are ongoing concerns regarding the potential impact of submerged energy converters on local marine habitats and migration patterns. To overcome these barriers, researchers are developing modular point absorbers and oscillating water columns that are designed for easier maintenance and minimal ecological disruption. Ultimately, while wave energy is currently more expensive than other renewables, its integration into the energy mix is essential for achieving long-term carbon neutrality in maritime nations.