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Hydropower
Overview

HydropowerHydropower typically remains the cheapest way to generate electricity of any source where good resources exist. The weighted average leverlised cost of electricity (LCOE) for new small hydropower projects is between USD 0.03 and USD 0.115/kWh in developing countries, while for large hydropower projects the range is between USD 0.02 and USD 0.06/kWh depending on the region.The LCOE of large-scale hydro projects at excellent sites can be as low as USD 0.02/kWh, while average costs are around USD 0.05/kWh.

Hydropower technologies are mature and learning rates low. Cost reduction potentials are therefore small and generally limited to improvements in civil engineering techniques and procesess. The importance of hydropower with storage will only grow as the penetration of variable renewables increases, as hydropower's unrivalled ability to provide grid flexibility will prove increasingly valuable.

The total installed costs for large hydropower projects typically range from a low of USD 1 000/kW to around USD 3 500/kW. However, it is not unusual to find projects with costs outside this range. For instance, installing hydropwer at an existing dam that was built for other purposes may have costs as low as USD 450/kW. On the other hand, projects at remote sites, without adequate local infrastructure and located far from existing transmission networks, can cost significantly more than USD 3 500/kW due to higher logistical and grid connection costs.  

Publications
Presentations and Charts

http://costing.irena.org/technology-costs/power-generation/solar-photovoltaics.aspx

Advanced biofuels to be competitive with fossil fuels by 2020.       Solar PV module prices of around USD 0.75/Watt makes PV the economic solution for 1.3 billion people.       Electric vehicle battery packs to fall 40% to 55% by 2020 to cost USD 300-400/kWh in 2020.       Some of today's first-of-a-kind commercial plug-in hybrid and battery electric vehicles are economic today.       Road transport accounted for 76% of total transport demand in 2010.       Biodiesel consumption grew 42% per year between 2000-2010.       Feedstock costs account for 60-80% of total conventional ethanol production costs.       The levelised cost of electricity of wind, solar PV, CSP and biomass is declining.       Electricity from hydropower, geothermal and biomass where good resources remain are the cheapest way to generate electricity.       Renewables are increasingly the most economic solution for new grid connected capacity.       Wind turbine prices have been declining since 2009.       Renewables are becoming the economic choice for off-grid and mini-grids.       Wind turbine prices in China in 2012 were USD 620/kW.       The installed cost of wind is typically lower than coal-fired power plants in OECD countries.