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Hydroelectric Power Calculator

Compute hydroelectric power P = ρgQHη.

Input Data

Input Density ρ.
kg/m³
Input Flow Q.
m³/s
Input Head H.
m
Input Efficiency η.

Results

4,412,992.5W
P = ρgQHη = 4412992.50 W

At a glance:Hydroelectric Power Calculator: enter parameters to compute results; complements related calculators.

Formula

P = ρ g Q H η

g = 9.80665 m/s², η: overall efficiency

How to Use

  1. Enter water density ρ and flow Q.
  2. Enter head H and efficiency η.
  3. Get power P.

Case Studies

50 m head, 10 m³/s

P = 1000·9.80665·10·50·0.9 ≈ 4.41 MW.

FAQ

What does η include?

Overall efficiency of turbine, generator and drivetrain losses.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

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