{"id":106309,"date":"2026-06-02T13:03:37","date_gmt":"2026-06-02T07:33:37","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=106309"},"modified":"2026-06-02T13:03:37","modified_gmt":"2026-06-02T07:33:37","slug":"kadamparai-pumped-storage-hydro-power-plant","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/kadamparai-pumped-storage-hydro-power-plant\/","title":{"rendered":"Kadamparai Pumped Storage Hydro Power Plant"},"content":{"rendered":"<h2><b>Kadamparai Pumped Storage Hydro Power Plant Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kadamparai Pumped Storage Hydro Power Plant, Tamil Nadu&#8217;s only facility with reversible two-way turbines, is struggling to stay operational as it is beyond its design life, functioning at just 25% capacity. <\/span><\/p>\n<h2><b>About Kadamparai Pumped Storage Hydro Power Plant<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>400 MW<\/b><span style=\"font-weight: 400;\"> hydropower project located in the <\/span><b>Kadamparai river basin in Tamil Nadu.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>Commissioned in 1987<\/b><span style=\"font-weight: 400;\">, it was the<\/span><b> state&#8217;s first pumped storage unit<\/b><span style=\"font-weight: 400;\"> and remains <\/span><b>unique <\/b><span style=\"font-weight: 400;\">for its <\/span><b>ability to operate in both generator and motor modes.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>When the grid needs power<\/b><span style=\"font-weight: 400;\">, <\/span><b>water <\/b><span style=\"font-weight: 400;\">is<\/span><b> released from the upper dam at Kadamparai to the Lower Aliyar Dam<\/b><span style=\"font-weight: 400;\">, driving the <\/span><b>turbines <\/b><span style=\"font-weight: 400;\">to <\/span><b>generate electricity.\u00a0\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>During the night<\/b><span style=\"font-weight: 400;\">, with wind and solar creating surplus power in the grid, the same <\/span><b>turbines reverse into pump mode <\/b><span style=\"font-weight: 400;\">and <\/span><b>act as motors <\/b><span style=\"font-weight: 400;\">and <\/span><b>push water back from the lower dam to the upper dam<\/b><span style=\"font-weight: 400;\">, effectively <\/span><b>storing energy<\/b><span style=\"font-weight: 400;\"> for the next demand cycle.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Kadamparai Dam has a storage capacity of 1,080 mcft, while the Lower Aliyar Dam holds 937 mcft.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Using a minimum of 4 mcft from the upper dam, each unit can produce 100 MW (1 lakh units) per hour.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">With four units, the plant&#8217;s installed capacity is 400 MW per hour. <\/span><\/li>\n<\/ul>\n<p><b>Source<\/b><strong>:<\/strong> <a href=\"https:\/\/www.newindianexpress.com\/states\/tamil-nadu\/2026\/Jun\/02\/kadamparaihydropowerplants-output-crippled-by-outdated-parts\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\"><strong>NIE<\/strong><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kadamparai Pumped Storage Hydro Power Plant is a 400 MW hydropower project located in the Kadamparai river basin in Tamil Nadu. Read more about Kadamparai Pumped Storage Hydro Power Plant, Location, Capacity, Latest News.<\/p>\n","protected":false},"author":23,"featured_media":106324,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[7900],"class_list":{"0":"post-106309","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-kadamparai-pumped-storage-hydro-power-plant","9":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/106309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=106309"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/106309\/revisions"}],"predecessor-version":[{"id":106329,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/106309\/revisions\/106329"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/106324"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=106309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=106309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=106309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}