{"id":74468,"date":"2026-05-21T18:09:58","date_gmt":"2026-05-21T12:39:58","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=74468"},"modified":"2026-05-21T18:11:21","modified_gmt":"2026-05-21T12:41:21","slug":"power-supply-management","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/21-05-2026\/power-supply-management","title":{"rendered":"Power Supply Management During Peak Demand"},"content":{"rendered":"\n<p><strong>Syllabus: GS3\/ Energy<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>India\u2019s electricity demand has risen sharply during the summer of 2026, with peak demand touching a record <strong>256.1 GW in April.<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is Peak Demand?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peak demand refers to the <strong>highest level of electricity consumed<\/strong> on the grid during a specific period, usually measured over a <strong>15-minute interval<\/strong>.<\/li>\n\n\n\n<li><strong>Characteristics of Peak Demand:\u00a0<\/strong>\n<ul class=\"wp-block-list\">\n<li>Peak demand generally occurs for <strong>2\u20134 hours during a day.<\/strong><\/li>\n\n\n\n<li><strong>In summer,<\/strong> peaks usually occur from <strong>late afternoon to late evening<\/strong> due to heavy use of air conditioners and cooling devices.<\/li>\n\n\n\n<li><strong>In winter,<\/strong> peaks occur <strong>during morning and evening<\/strong> hours because of heating and lighting needs.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How States Manage Electricity Demand?&nbsp;<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Contractual Supply through Long-Term PPAs:<\/strong> State DISCOMs sign <strong>long-term Power Purchase Agreements (PPAs)<\/strong> with power generators.\n<ul class=\"wp-block-list\">\n<li>These agreements ensure <strong>stable electricity supply<\/strong> at fixed capacity and prices.<\/li>\n\n\n\n<li>Around <strong>85\u201390% <\/strong>of India\u2019s electricity demand is met through such contracts.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Power Exchange Purchases: <\/strong>During sudden demand spikes or supply failures, States purchase electricity from short-term power exchanges.\n<ul class=\"wp-block-list\">\n<li><strong>Around 10\u201315% of electricity<\/strong> is traded through these exchanges, which help balance real-time mismatches between supply and demand.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Challenges Faced by States Due to Rising Demand<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Growth in Electricity Consumption: <\/strong>India\u2019s peak electricity demand has increased by nearly <strong>37%<\/strong> during the last <strong>five years.<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Peak demand<\/strong> increased from about <strong>183 GW in 2020<\/strong> to more than <strong>250 GW in 2026.<\/strong><\/li>\n\n\n\n<li>Rising household electrification, increasing air-conditioner usage, growing electric vehicle adoption, and expanding agricultural power consumption are major drivers of rising demand.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Financial Stress on DISCOMs: <\/strong>DISCOMs are often locked into <strong>long-term PPAs<\/strong> with fixed <strong>supply capacities<\/strong> that may not fully meet sudden peak demand.\n<ul class=\"wp-block-list\">\n<li><strong>Additional electricity<\/strong> required during peak periods must be purchased from short-term markets at significantly <strong>higher prices.<\/strong><\/li>\n\n\n\n<li><strong>Uttar Pradesh and Bihar<\/strong> continue to face challenges related to high distribution losses, ageing infrastructure, and overloaded transformers.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Stress in Distribution Infrastructure:<\/strong> Overloaded transformers, ageing feeders, and poor maintenance weakens last-mile electricity delivery systems.\n<ul class=\"wp-block-list\">\n<li>In many states distribution systems are operating close to their technical limits. Several northern States continue to report transformer failure rates as high as <strong>20%.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Demand-Side Measures Adopted by States<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Many States issue advisories <strong>requesting consumers to reduce electricity consumption<\/strong> during evening peak hours.<\/li>\n\n\n\n<li>Several States are promoting <strong>energy-efficient appliances<\/strong> to reduce peak electricity demand.<\/li>\n\n\n\n<li><strong>Agricultural load scheduling<\/strong> is also being adopted in some States to reduce pressure on the grid during peak hours.<\/li>\n\n\n\n<li>States are increasingly adopting <strong>Time-of-Day (ToD) tariffs,<\/strong> under which electricity prices vary according to the time of consumption.<\/li>\n\n\n\n<li><strong>Smart metering systems<\/strong> are being introduced to encourage efficient electricity usage and improve demand forecasting.\n<ul class=\"wp-block-list\">\n<li><strong>Examples:<\/strong> <strong>Delhi<\/strong> has increasingly relied on <strong>smart metering and ToD tariffs <\/strong>to reduce evening electricity demand caused by cooling loads.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Role of Renewable Energy in Managing Peak Demand<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Solar and wind power plants<\/strong> have low operating costs and help reduce the overall power procurement cost for DISCOMs.<\/li>\n\n\n\n<li><strong>Gujarat and Karnataka <\/strong>effectively meet daytime electricity demand because solar power generation aligns with commercial and agricultural consumption patterns.\n<ul class=\"wp-block-list\">\n<li>However, these <strong>States continue to face steep<\/strong> evening demand after sunset when solar generation declines sharply.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Tamil Nadu <\/strong>benefits significantly from wind power generation during the monsoon season.\n<ul class=\"wp-block-list\">\n<li>The State depends more heavily on market purchases during periods of low wind generation and high urban evening demand.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Need for Energy Storage Technologies<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Renewable energy alone cannot ensure reliable round-the-clock electricity supply because solar and wind generation are intermittent in nature.\n<ul class=\"wp-block-list\">\n<li>Hence, there is a need for <strong>energy storage technologies<\/strong> to store <strong>excess renewable energy<\/strong> during high generation periods and supply during peak demand hours, thereby ensuring grid stability.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Battery Energy Storage Systems (BESS):<\/strong> Battery Energy Storage Systems store excess renewable electricity and supply it during periods of high demand.\n<ul class=\"wp-block-list\">\n<li>BESS improves<strong> grid flexibility, reliability, and renewable energy integration<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Pumped Hydro Storage (PHS):<\/strong> Pumped Hydro Storage systems store energy by <strong>pumping water to elevated reservoirs<\/strong> and generating electricity during peak demand periods.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Way Ahead<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>India needs substantial investment in energy storage technologies such as <strong>BESS and PHS<\/strong> to manage renewable energy variability and evening peak demand.<\/li>\n\n\n\n<li><strong>Smart grid technologies and digital monitoring systems <\/strong>should be expanded to improve grid flexibility and reliability.<\/li>\n\n\n\n<li>States need to <strong>strengthen transmission and distribution infrastructure<\/strong> to improve last-mile electricity delivery.<\/li>\n<\/ul>\n\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/news\/national\/how-states-are-managing-the-surging-summer-power-demand\/article71002402.ece\" target=\"_blank\" rel=\"noopener\"><strong>TH<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong> Context <\/strong><\/p>\n<li class=\"ms-5\"> India\u2019s electricity demand has risen sharply during the summer of 2026, with peak demand touching a record 256.1 GW in April. <\/li>\n<p><\/p>\n<p><strong> What is Peak Demand? <\/strong><\/p>\n<li class=\"ms-5\"> Peak demand refers to the highest level of electricity consumed on the grid during a specific period, usually measured over a 15-minute interval. <\/li>\n<li class=\"ms-5\"> Characteristics of Peak Demand:\u00a0 <\/li>\n<li class=\"ms-5\"> Peak demand generally occurs for 2\u20134 hours during a day. <\/li>\n<p><a href=\" https:\/\/www.nextias.com\/ca\/current-affairs\/21-05-2026\/power-supply-management \" class=\"btn btn-primary btn-sm float-end\">Read More<\/a><\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-74468","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/74468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=74468"}],"version-history":[{"count":2,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/74468\/revisions"}],"predecessor-version":[{"id":74471,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/74468\/revisions\/74471"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=74468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=74468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=74468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}