Knowledge Tree
hydropower
Also known as: hydro power
Facts (51)
Sources
Sustainable Energy Transition for Renewable and Low Carbon Grid ... frontiersin.org Mar 23, 2022 19 facts
claimHydropower is environmentally friendly and releases significantly fewer greenhouse gases compared to fossil fuel sources such as oil, natural gas, coal, and diesel.
referenceMoriarty and Honnery (2019) identify five options for the future use of renewable energy: (1) electricity from intermittent wind, solar, and wave energy; (2) dispatchable electricity from hydropower; (3) thermal dispatchable power from solar, geothermal, and biomass; (4) direct thermal energy use from bioenergy and low-temperature geothermal for heating and cooling; and (5) biochemical conversion of biomass to biogas and liquid fuels.
claimInternational electricity trade allows countries to share resources, particularly renewable and low-carbon sources like hydro and nuclear power.
measurementIn 2017, fossil fuels supplied 16,947 TWh (63%) of total global electricity generation, while hydropower supplied 4,222 TWh (16%).
referenceS. A. Solarin, M. O. Bello, and F. V. Bekun published a study in 2021 examining the possibility of substituting fossil fuels for hydropower and solar energy in Italy.
referenceHollaway and Bai (2013) categorize renewable energy technologies into three generations: the first generation (19th century) includes hydropower, biomass, and geothermal; the second generation (1980s) includes tidal, wind, wave, and solar; and the third generation (currently under development) includes gasification, bio-refinery, and ocean thermal power.
claimCountries can enhance national energy security by using renewable energy sources like solar, wind, and hydro, as these resources do not require international trade to secure, thereby cushioning countries against energy-instigated insecurity.
claimHydropower can be integrated with wind, solar, and other energy sources to provide a reliable, steady, and affordable grid electricity supply.
claimThe use of storage facilities, such as dams and pumped storage plants, enhances the generation capacity and utility of hydropower.
claimHydropower enhances energy security by reducing reliance on fossil fuels and provides additional benefits such as irrigation, water supply for industrial and domestic use, flood control, and employment opportunities.
claimHydropower is a renewable energy source derived from moving water that powers hydraulic turbines, though its generation is affected by weather conditions.
measurementIn 2020, the global electricity generation contribution by source was: Coal (35.1%), Gas (23.4%), Oil (2.8%), Hydro (16.0%), Nuclear (10.1%), Wind (5.9%), Solar (3.2%), Geothermal and other renewables (2.8%), and Others (0.7%).
claimSolar power, wind power, and hydropower are viable options for generating electricity.
claimSustainable energy transition is motivated by the need to increase the use of renewable and low carbon clean energy sources, specifically solar, wind, biomass, hydro, and nuclear power, as noted by Rathor and Saxena (2020a) and Nguyen et al. (2020).
measurementIn 2020, hydropower contributed 16% of global electricity generation, while fossil fuels supplied 61.3% of global electricity.
claimThe first generation of renewable energy technologies began in the nineteenth century and relied on hydropower, biomass, and geothermal energy.
measurementAs of 2019, nuclear power generated over 25% of low-carbon electricity, making it the second-largest source after hydropower.
claimHydropower contributes to energy sustainability through long-term clean power generation, with significant potential remaining in small and mini hydropower schemes for both decentralized and centralized generation.
claimMicrogrids allow for the balancing of generation from variable renewable sources like solar, wind, and hydro with conventional sources like gas-fueled combustion turbines, coal, and diesel powerplants.
Global perspectives on energy technology assessment and ... link.springer.com Oct 30, 2025 7 facts
claimWind energy technology advancements include larger rotor diameters, floating turbines, and predictive maintenance, while hydropower advancements include fish-friendly turbines and run-of-river systems to enhance ecological sustainability.
measurementCosta Rica generates more than 99% of its electricity from renewable sources, primarily hydropower and geothermal energy, which have replaced reliance on fossil fuels.
measurementHydropower accounts for 3% of the world's total energy production.
referenceThe study 'The role of hydropower, clean energy, renewable energy, FDI, and capital formation in affecting CO2 emissions and environmental sustainability in South Asia' published in Environ Innov Manag in 2025 analyzes the impact of various energy sources and economic factors on environmental sustainability in South Asia.
claimThe global transition to sustainable energy involves retiring fossil fuels and adopting renewable energy sources such as solar, wind, and hydropower.
claimBiomass power generation, hydropower, geothermal energy, and onshore wind are renewable electricity technologies that can now deliver price-competitive electricity compared to new fossil-fueled generators.
claimThe global energy transition is defined as the shift from a fossil fuel-based energy system to one dominated by low-carbon, renewable energy sources, including wind, solar, hydropower, and developing hydrogen and energy storage technologies.
A critical review on techno-economic analysis of hybrid renewable ... link.springer.com Dec 6, 2023 3 facts
claimResearchers have developed microgrids that generate electricity from flow resources such as hydro, solar, biogas, and air current power stations, collectively referred to as a compound flow power system (CFPS).
referenceA Compound Flow Power System (CFPS) is a concept that combines different energy conversion technologies, such as solar, wind, and hydropower, to create a more efficient and reliable power system by integrating multiple energy sources and storage technologies.
referenceSchmidt J, Cancella R, and Pereira AO published a study in 2016 titled 'An optimal mix of solar photovoltaic, air current and hydro power for a low-carbon electricity supply in Brazil' in the journal Renewable Power.
Advancing energy efficiency: innovative technologies and strategic ... oaepublish.com 3 facts
referenceSchmitt and Rosa analyzed trends, challenges, and alternatives regarding dams for hydropower and irrigation in a 2024 study.
measurementBetween 2023 and 2030, wind power generation is expected to almost double, the proportion of solar photovoltaics in global power consumption is expected to triple, and the share of hydropower is expected to decrease.
claimBy 2030, solar photovoltaics are projected to overtake hydropower as the primary source of renewable electricity generation, followed by wind power.
A Critical View on Renewable Energy Sources -Part II: Hydro and ... academia.edu 3 facts
referenceTortajada and Saklani (2018) examined hydropower-based collaboration between India and Bhutan in South Asia, published in Energy Policy.
referenceRubio and Tafunell (2014) analyzed the century-long evolution of hydropower in Latin America, noting its uneven development, published in Renewable and Sustainable Energy Reviews.
referenceLi et al. (2018) reviewed the development situation and future prospects of hydropower in China, published in Renewable and Sustainable Energy Reviews.
Clean Energy Solutions Must Include Nuclear | ClearPath clearpath.org 3 facts
claimHydropower and nuclear power are the only dispatchable low-carbon resources currently playing a major role in domestic and global power mixes.
claimLarge-scale expansion of hydropower is limited by ecological constraints, geographic constraints, and permitting requirements.
claimBusiness leaders recognize that existing low-carbon resources, specifically nuclear and hydropower, contribute to their companies' carbon profiles.
What Role Does Nuclear Energy Play in the Race to Net Zero? earth.org Jul 19, 2023 3 facts
claimRenewable energy sources, including wind, solar, hydropower, geothermal, tidal, and sustainable bioenergy, face constraints in deployment speed due to challenges regarding intermittency, energy storage, transmission, and seasonal variability.
measurementFrance generates over 71% of its electricity from nuclear power, 10% from hydropower, and 20% from other energy sources.
claimNuclear power serves as a proven, always-on source of carbon-free electricity that can balance the variable output from renewable energy sources like solar, wind, hydropower, and biomass.
Energy Transition: The Challenge of Our Century catalog.techdiplomacyacademy.org 2 facts
referenceThe course 'Energy Transition: The Challenge of Our Century' covers the technological, economic, and infrastructure challenges associated with shifting energy systems from fossil fuels to alternative sources including solar, wind, nuclear, and hydropower.
claimThe 'Energy Transition: The Challenge of Our Century' course covers technologies including solar, wind, nuclear, and hydropower, as well as the economic and infrastructure challenges associated with transitioning energy systems.
Impact of carbon dioxide removal technologies on deep ... - Nature nature.com Jun 17, 2021 2 facts
referenceIn the 2050 static equilibrium mode, the REGEN model adds new capacity for most of the system (greenfield investment) while inheriting only endowments of existing hydropower, nuclear, and interregional transmission.
referenceThe REGEN model assumes greenfield investment for most of the system, while inheriting existing endowments of hydropower, nuclear, and interregional transmission capacity.
Realist Review on Just Transition Towards Low Emission, Climate ... link.springer.com Jan 5, 2026 1 fact
claimJust transition frameworks focus on increasing the supply of low-emission energy from local systems and the national energy mix, while shifting consumption toward sources like solar and hydropower at both the community and national grid levels.
The Global Technical, Economic, and Feasible Potential ... - OSTI.gov osti.gov 1 fact
measurementThe technical potential for hydropower, geothermal electricity, and ocean thermal energy conversion is estimated to be above 10 PWh/year.
Energy Transition Literature - PSU Center for Energy Law and Policy celp.psu.edu May 20, 2024 1 fact
referenceAnders Lenborg (2016) provides an overview of renewable energy generation in Norway and introduces the main legislation governing hydro power and onshore wind generation in the country.
Comprehensive Overview on the Present State and Evolution of ... link.springer.com Aug 9, 2024 1 fact
claimWind and hydropower energy sources have direct connections to climate patterns, while biomass is indirectly affected by climate patterns.
How Nuclear Power Supports Decarbonization Goals - LinkedIn linkedin.com 1 fact
claimNorway is experiencing a tight electricity situation characterized by rapidly rising demand, hydropower running near full capacity, slowed wind expansion, and grid pressure.
The role of nuclear energy in mitigating climate change oecd-nea.org Dec 13, 2021 1 fact
claimNuclear energy is the largest source of low-carbon electricity in OECD economies and the second largest in the world after hydropower.