STATUS ON PUMPED STORAGE PROJECTS

1. At a Glance

• Pumped Storage Projects (PSPs) are grid-scale energy storage hydro schemes that pump water uphill during surplus power and release it to generate power during peak demand — key to balancing variable renewable energy (RE). [1]
• India currently has 11 PSPs (15,870 MW) under construction and 6 PSPs (8,140 MW) concurred/appraised by CEA awaiting construction. [1]
• Directly linked to India's 500 GW non-fossil capacity by 2030 and Net Zero by 2070 commitments, making it a recurring Prelims/Mains theme under energy security and climate mitigation. [3]
• Ministry of Power/CEA has been actively easing environmental and statutory clearance norms since 2023 to fast-track PSPs. [1]

2. Why in the News

• PIB press release dated 20 July 2026 by the Ministry of Power gives updated status: 11 PSPs (15,870 MW) under construction, 6 PSPs (8,140 MW) appraised/concurred but not yet started. [1]
• Recent regulatory easing: capital expenditure ceiling revised to ₹3,000 crore and off-stream closed-loop PSP schemes exempted from CEA concurrence (01 Aug 2025); DPR concurrence timeline cut from 90 to 50 days; TBCB guidelines notified (06 Feb 2025); 100% ISTS charge waiver for 25 years from COD for projects awarded before 30 June 2028 (26 June 2025). [1]

3. Background & Evolution

• PSPs have existed in India for decades (e.g., Kadana, Srisailam, Purulia), but renewed policy push began post-2021 as RE integration challenges (duck-curve, evening peak demand) intensified. [2]
• 18 May 2023: MoEF&CC notification enabled appraisal of PSPs under the less-stringent B2 category, subject to conditions. [1]
• 14 August 2023: MoEF&CC issued specific Terms of Reference (TOR) for off-stream PSPs, prescribing baseline data collection for one non-monsoon season. [1]
• 20 August 2024: Survey provisions extended to hydel/PSP projects. [1]
• 2024-25: CEA concurred a record number of PSP DPRs (about 6 PSPs, ~7.5 GW) in record time. [4]
• 10 September 2025: Enhanced borehole authorization for site investigation. [1]
• CEA has set an ambitious target to concur a minimum of 13 PSPs (~22 GW) during 2025-26. [4]
• CEA's "Roadmap to 100 GW of Hydro Pumped Storage Projects" outlines the long-term development pathway. [5]

4. Core Static Facts

Parameter	Detail
Nodal Ministry	Ministry of Power
Technical appraisal body	Central Electricity Authority (CEA)
Environment clearance body	MoEF&CC
National PSP potential identified	~224 GW [5]
Commissioned PSP capacity	~10 PSPs, ~7 GW [5]
Under construction	11 PSPs, 15,870 MW [1]
Concurred/appraised (not yet under construction)	6 PSPs, 8,140 MW [1]
At planning/development stage	~56 PSPs, ~78 GW [5]
National Electricity Plan (NEP) 2022-32 PSP storage target by 2031-32	26.69 GW PSP capacity / 175.18 GWh storage (of total 73.93 GW / 411.4 GWh storage incl. BESS) [6]
Key clearance category	B2 (simplified EIA appraisal) since 18.05.2023 [1]
ISTS charge waiver	100% waiver for 25 years from COD, for projects awarded by 30.06.2028 [1]
DPR concurrence timeline	Reduced from 90 to 50 days [1]
Capex ceiling (revised)	₹3,000 crore; off-stream closed-loop schemes exempted from CEA concurrence (01.08.2025) [1]
Notable project	Tehri PSP — India's first Variable Speed Pumped Storage Plant, largest CPSE PSP [2]

5. Multi-Dimensional Analysis

Economic

• Large capital investment driver in hydropower/EPC sector; capex ceiling revisions and ISTS waivers aim to improve project bankability. [1]
• Reduces curtailment losses from surplus solar/wind generation, improving overall grid economics.

Environmental

• Off-stream/closed-loop PSPs minimize riverine ecological disruption compared to conventional dams; hence eligible for B2 (lighter) EIA category. [1]
• Supports RE integration, indirectly aiding decarbonization and Net Zero 2070 target. [3]

Scientific / Technological

• Variable-speed pumped storage technology (as in Tehri PSP) improves grid frequency response and flexibility over conventional fixed-speed units. [2]

Administrative

• Multi-tier institutional process: state government (site allotment) → CEA (technical appraisal/concurrence) → MoEF&CC (environmental clearance) → CERC/state ERC (tariff) — clearance bottlenecks are the chief obstacle article addresses. [1]
• Centre has issued specific PSP Development Guidelines covering site allotment modalities, exemption from free power and Local Area Development Fund obligations to incentivize states/developers. [6]

Governance

• Emphasis on state government role in facilitating land, water rights, and clearances alongside central fast-tracking measures. [2]

6. Recent Developments (last 12–18 months)

• 06 Feb 2025: Tariff-Based Competitive Bidding (TBCB) guidelines for PSPs notified. [1]
• 2024-25: CEA concurred record DPRs of ~6 PSPs (~7.5 GW). [4]
• 26 June 2025: 100% ISTS charge waiver for 25 years (COD-based) for PSPs awarded up to 30.06.2028 notified. [1]
• 01 Aug 2025: Capex ceiling revised to ₹3,000 crore; off-stream closed-loop PSPs exempted from CEA concurrence requirement. [1]
• 10 Sept 2025: Enhanced borehole authorization measures for site investigation issued. [1]
• CEA's "Roadmap to 100 GW of Hydro Pumped Storage Projects" released (Jan 2026). [5]
• 20 July 2026: Latest PIB status update — 11 PSPs under construction (15,870 MW), 6 PSPs appraised (8,140 MW). [1]

7. Prelims Hooks

• Nodal ministry for PSPs: Ministry of Power (not MNRE). [1]
• Technical appraisal/concurrence authority: Central Electricity Authority (CEA). [1]
• As of July 2026: 11 PSPs (15,870 MW) under construction in India. [1]
• 6 PSPs (8,140 MW) concurred/appraised by CEA but not yet under construction (as of July 2026). [1]
• MoEF&CC notification dated 18 May 2023 allows PSP appraisal under B2 category. [1]
• Specific Terms of Reference (TOR) for off-stream PSPs issued by MoEF&CC on 14 August 2023, requiring one-season (non-monsoon) baseline data. [1]
• Tehri PSP is India's first Variable Speed Pumped Storage Plant. [2]
• Total identified national PSP potential: ~224 GW. [5]
• ~10 PSPs (~7 GW) already commissioned; ~56 PSPs (~78 GW) at planning stage. [5]
• CEA target: concur minimum 13 PSPs (~22 GW) during 2025-26. [4]
• DPR concurrence timeline reduced from 90 to 50 days. [1]
• 100% ISTS charge waiver for 25 years from COD applies to PSPs awarded on/before 30 June 2028. [1]
• Revised capex ceiling for PSPs (Aug 2025): ₹3,000 crore. [1]
• National Electricity Plan (2022-32) projects 26.69 GW PSP capacity contributing 175.18 GWh storage by 2031-32. [6]
• CEA's long-term document: "Roadmap to 100 GW of Hydro Pumped Storage Projects." [5]

8. Mains Relevance

• GS-III: Infrastructure — Energy; Conservation, environmental pollution and degradation, Environmental Impact Assessment.
• GS-II (peripheral): Government policies and interventions; issues arising from design/implementation of policies (Centre-State coordination in clearances).
• Possible question stems: 1. "Pumped Storage Projects are critical to India's renewable energy integration strategy but face clearance bottlenecks. Discuss the recent regulatory measures taken to fast-track PSPs and their adequacy." (GS-III, 15 marks) 2. "Examine the role of Pumped Storage Projects vis-à-vis Battery Energy Storage Systems (BESS) in meeting India's 2030 renewable energy targets." (GS-III) 3. "Evaluate the environmental clearance framework (B2 category) for pumped storage hydropower projects in India. Does simplified appraisal compromise ecological safeguards?" (GS-III)

9. Related Topics to Study Next

• Battery Energy Storage Systems (BESS) — competing/complementary storage technology under NEP 2022-32. [6]
• National Electricity Plan 2022-32 — overarching capacity planning framework housing PSP targets.
• 500 GW non-fossil fuel capacity target by 2030 — the larger RE goal PSPs support. [3]
• Environmental Impact Assessment (EIA) Notification 2006 & categorization (A/B1/B2) — legal basis for PSP clearance fast-tracking.
• Hydropower policy in India — parent sector; overlaps on riparian, tribal, and forest clearance issues.
• Inter-State Transmission System (ISTS) charges and waivers — cross-cutting RE incentive mechanism.
• Net Zero 2070 commitment — climate policy context.
• Tariff-Based Competitive Bidding (TBCB) — procurement mechanism relevant to PSP and other power projects.

10. Common Errors / Trap Areas

• Confusing nodal ministry: PSPs fall under Ministry of Power/CEA, not MNRE (which handles solar/wind specifically), though both work toward RE integration. [1]
• Mixing up "under construction" (15,870 MW / 11 projects) with "concurred/appraised but not started" (8,140 MW / 6 projects) — these are distinct categories in official data. [1]
• Assuming all PSPs require full EIA Category A clearance — off-stream/closed-loop schemes may qualify for lighter B2 category or even exemption from CEA concurrence. [1]
• Confusing PSP with conventional large hydro or run-of-river projects — PSPs are storage devices, not primary generation sources (they consume net energy in the pump-generate cycle).
• Misdating the B2 category notification — it is 18 May 2023, not to be confused with the TOR notification of 14 August 2023. [1]