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Fast Facts on Hydro Energy |
Hydropower 💧
Hydropower, the oldest and largest source of renewable electricity, harnesses the energy of moving water to generate power. From massive dams to small-scale run-of-river systems, hydropower plays a crucial role in global energy production. Here are some essential facts about hydropower.
- Hydropower is the largest source of renewable electricity worldwide, accounting for around 16% of global electricity production.
- The Three Gorges Dam in China is the worldfs largest hydropower plant, with a capacity of 22.5 GW.
- Norway generates over 90% of its electricity from hydropower, making it a global leader.
- Hydropower plants have long lifespans, often operating for over 50 years.
- Pumped storage hydropower acts as a giant battery, storing excess electricity for later use.
- The U.S. has over 2,000 hydropower plants, contributing about 6.3% of its electricity supply.
- Brazil and Canada are among the top five hydropower-producing countries in the world.
- Small-scale hydropower, or micro-hydro, provides energy to remote communities worldwide.
- Dams can disrupt ecosystems, affecting fish migration and river flow.
- Some hydropower plants incorporate fish ladders to help aquatic species bypass dams.
- Run-of-river hydropower reduces environmental impact by generating electricity without large dams.
- In Africa, the Grand Inga Dam project in the Democratic Republic of Congo aims to power much of the continent.
- Hydropower provides grid stability, as it can be ramped up or down quickly.
- Floating solar panels are now being installed on hydropower reservoirs to double energy output.
- Climate change is affecting hydropower production, with droughts reducing water availability in some regions.
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