- Dam
- Density
- Efficiency
- Energy
- Environmental Impacts
- Firm Flow
- Flow
- Flow rate
- Flow Section Properties
- Flume
- Force
- GIS
- Governor
- Gravitational acceleration, g
- Gross Head
- Head Loss
- Headrace
- Hydraulic Gradient
- Hydraulic head
- Hydro
- Hydroelectric
- Hydrojacking
- Hydropower
- Intake
- Losses
- Mass
- Net Head
- Penstock
- Power
- Powerhouse Electrical Systems
- Powerhouse Mechanical Systems
- Rated Flow
- Rated Head
- Renewable Energy
- Reservoir
- Run-of-river hydro
- SCADA
- SI Units
- Station Flow
- Tailrace
- Time Units
- Unit Flow
- Velocity
- Velocity Head
- Volume
- Water conveyance
- Work