Energia Ondas Disponível
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The 'Available Wave Energy' calculator estimates the power generated by ocean waves on a specific coastline. It uses wave height, period, and seawater density to determine theoretical energy output. On average, 50 kW can be generated per linear meter of coast under ideal conditions.
The calculation is based on the formula: Energy = 0.5 × seawater density × gravity × height² × period. Wave height and the time between waves (period) are the most influential factors. Seawater density is fixed at 1,025 kg/m³ but may vary by region.
Use this tool to assess the feasibility of wave energy plants in engineering or research projects. It's particularly useful in areas with high maritime activity, such as coasts exposed to constant winds. Helps scale infrastructure and predict environmental impacts.
Be cautious: accuracy depends on input data quality. Local factors like seabed topography and natural obstructions can reduce available energy. Consult oceanography experts for critical validations.
Frequently asked questions
Why does available energy vary by region?
Variation depends on local factors like winds, ocean currents, and seabed topography. Regions with higher and more frequent waves generate more energy.
Is this calculator valid for any type of coastline?
No. It's more accurate for open coasts exposed to continuous waves. Rocky or reef-protected coasts may need calculation adjustments.
How does water density affect the results?
Density directly impacts the calculated energy. Denser waters (like in polar regions) yield higher readings, but the calculator uses a global average.
Do I need special permission to use this data?
No, but official environmental impact studies are required before installing any wave energy capture system.