According to the International Hydropower Association, a large hydropower plant is defined as a plant with a generating capacity of 100 MW or more.

Run-of-the-river hydropower plants are the most common type of hydropower plant, accounting for about 60% of the world's hydropower capacity.

The maximum efficiency that can be achieved by a hydropower plant is about 80%.

Hydropower plants can have a number of environmental impacts, including greenhouse gas emissions, water pollution, and habitat destruction.

The hydropower industry is facing a number of challenges, including climate change, cost, and public opposition.

The future of hydropower is uncertain, as it depends on a number of factors, including climate change, cost, and public opposition.

Hydropower is a major source of renewable energy, accounting for about 16% of the world's electricity generation.

The main types of hydropower plants are run-of-the-river, impoundment, pumped-storage, and tidal.

Run-of-the-river hydropower plants use a natural river flow, while impoundment plants create a reservoir. Run-of-the-river plants are more efficient, while impoundment plants are more reliable. Run-of-the-river plants are smaller, while impoundment plants are larger.

Pumped-storage hydropower plants use a reservoir, while tidal plants use the tides. Pumped-storage plants are more efficient, while tidal plants are more reliable. Pumped-storage plants are smaller, while tidal plants are larger.

Hydropower is a renewable energy source, a reliable energy source, and a cost-effective energy source.

Hydropower can have a number of environmental impacts, including greenhouse gas emissions, water pollution, and habitat destruction. Hydropower plants can also be expensive to build and operate. Additionally, there is often public opposition to hydropower projects.

The hydropower industry is facing a number of challenges, including climate change, cost, and public opposition.

The future of hydropower is uncertain, as it depends on a number of factors, including climate change, cost, and public opposition.

Some of the key standards that apply to hydropower plants include IEC 60034, IEEE 1109, and ANSI C37.90.