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Environment & Ecology April 29, 2026 5 min read Daily brief · #21 of 57

Adani Green targets 15 GWh annual storage, Rs 25,000 crore investment as India eyes 411 GWh by 2030

A major private renewable energy developer has announced plans to deploy over 10 GWh of battery storage in 2026, scaling to 15 GWh or more annually from 2027...


What Happened

  • A major private renewable energy developer has announced plans to deploy over 10 GWh of battery storage in 2026, scaling to 15 GWh or more annually from 2027 onward, with an annual investment of approximately ₹25,000 crore.
  • India's Central Electricity Authority (CEA) projects the country will require approximately 411 GWh (74 GW) of energy storage capacity by 2031-32 to support reliable renewable energy integration.
  • As of January 2026, India has commissioned less than 1 GWh of battery storage, with 10,658 MW (28,739 MWh) under construction and an additional 22,347 MW in tendering stages.
  • Strategic deployment is concentrated in Gujarat and Rajasthan, colocating battery systems with large-scale solar assets to address transmission congestion.

Static Topic Bridges

National Electricity Plan (NEP) and Energy Storage Targets

The National Electricity Plan is prepared by the Central Electricity Authority under Section 3 of the Electricity Act, 2003. The NEP 2023-32 sets out India's electricity generation, transmission, and distribution roadmap. According to the plan, India needs 74 GW / 411.4 GWh of energy storage by 2031-32 — split between 236.2 GWh from Battery Energy Storage Systems (BESS) and 175.2 GWh from pumped hydro storage. This demand is driven by the need to absorb peak solar generation (daytime) and discharge it during evening demand peaks, a problem known as the "duck curve" effect.

  • Electricity Act, 2003: Section 3 mandates the CEA to prepare the National Electricity Plan
  • 411.4 GWh storage target broken down: 236.2 GWh BESS + 175.2 GWh pumped hydro
  • By 2047, storage requirement estimated at 2,380 GWh (aligned with net-zero pathway)
  • India's installed renewable energy capacity crossed 200 GW in 2024 (solar + wind); intermittency drives the storage imperative

Connection to this news: The 411 GWh figure is the policy number that private capital is now responding to; the private sector announcement reflects confidence that government policy signals are credible and that demand for storage dispatch will materialise.

Battery Energy Storage Systems (BESS): Technology and Policy Framework

A Battery Energy Storage System (BESS) stores electrical energy electrochemically (typically in lithium-ion cells) and releases it on demand. BESS is modular and can be deployed faster than pumped hydro (which requires 4–7 years). Key applications include grid stabilisation, renewable energy time-shifting, frequency regulation, and ancillary services. India's policy support for BESS includes: (1) Viability Gap Funding (VGF) of ₹9,100 crore for 4,000 MW / 16,000 MWh; (2) inter-state transmission charge waiver for BESS co-located with renewable plants commissioned before June 2028; and (3) participation in the High-Price Day-Ahead Market (HP-DAM).

  • VGF scheme: ₹9,100 crore (approximately US$ 1.09 billion) for 43.2 GWh of BESS capacity
  • Energy Storage Obligations (ESO): utilities must progressively increase storage to 4% of electricity demand by FY 2029-30 (from 1% in FY 2023-24, increasing 0.5% per year)
  • HP-DAM launched in March 2023 allows BESS to participate in peak-price electricity markets
  • As of Jan 2026: <1 GWh commissioned; 10,658 MW under construction; 22,347 MW in tendering

Connection to this news: The ₹25,000 crore annual investment announcement is the private sector response to the VGF de-risking and ESO-driven captive demand creation — the two instruments designed specifically to bridge the economics of storage.

PLI Scheme for Advanced Chemistry Cell (ACC) Battery Manufacturing

The Production-Linked Incentive (PLI) Scheme for Advanced Chemistry Cell Battery Storage was approved by the Union Cabinet on 12 May 2021 with a budgetary outlay of ₹18,100 crore. It aims to develop 50 GWh of domestic manufacturing capacity for ACC batteries to reduce India's import dependence (currently ~90% of lithium cells and cobalt are imported). Four companies were allocated capacity under the first auction in March 2022.

  • Cabinet approval: 12 May 2021; Outlay: ₹18,100 crore
  • Target: 50 GWh domestic ACC manufacturing capacity
  • As of October 2025: only 1.4 GWh (2.8% of target) commissioned within stipulated timelines
  • Key bottleneck: stringent domestic value addition (DVA) requirements and supply chain dependencies on China for lithium and cobalt
  • Import dependency: India imports ~90% of lithium and cobalt requirements

Connection to this news: The gap between the 50 GWh manufacturing target and the 411 GWh deployment target illustrates that India must bridge both supply-side (domestic manufacturing) and demand-side (project deployment) simultaneously — the private investment announcement accelerates demand even as manufacturing scales up.

Pumped Hydro Storage (PHS) vs. BESS: Complementary Storage Technologies

Pumped Hydro Storage is the dominant existing form of grid-scale energy storage globally, using surplus power to pump water uphill and releasing it through turbines when needed. India currently has approximately 4,745 MW of installed PHS capacity. While PHS is cheaper per MWh for long-duration (8+ hours) storage, it requires specific topography, large land acquisition, and 4–7 years to construct. BESS, conversely, can be deployed in 6–18 months, is sited anywhere, and is cost-competitive for short-duration (2–4 hour) storage.

  • India's installed PHS: ~4,745 MW (as of 2024)
  • CEA 2031-32 storage split: 175.2 GWh pumped hydro + 236.2 GWh BESS
  • PHS advantages: low operating cost, long operational life (50+ years), large capacity per site
  • BESS advantages: rapid deployment, modular, location-flexible, compatible with distributed RE

Connection to this news: The private sector BESS push is concentrated in Gujarat and Rajasthan — states with abundant solar but limited pumped hydro geography — showing how the two technologies fill complementary niches.

Key Facts & Data

  • India's storage requirement per CEA: 74 GW / 411.4 GWh by 2031-32
  • Storage breakdown: 236.2 GWh BESS + 175.2 GWh pumped hydro
  • Commissioned BESS as of Jan 2026: less than 1 GWh
  • BESS under construction Jan 2026: 10,658.94 MW (28,739.32 MWh)
  • BESS in tendering: 22,347.15 MW
  • VGF support: ₹9,100 crore for 43.2 GWh BESS
  • PLI ACC scheme: ₹18,100 crore outlay; 50 GWh manufacturing target; only 2.8% delivered as of Oct 2025
  • Energy Storage Obligation: 1% of demand in FY 2023-24 → 4% by FY 2029-30
  • India's import dependency: ~90% for lithium and cobalt
  • Long-term storage target (2047): 2,380 GWh (net-zero pathway)
On this page
  1. What Happened
  2. Static Topic Bridges
  3. National Electricity Plan (NEP) and Energy Storage Targets
  4. Battery Energy Storage Systems (BESS): Technology and Policy Framework
  5. PLI Scheme for Advanced Chemistry Cell (ACC) Battery Manufacturing
  6. Pumped Hydro Storage (PHS) vs. BESS: Complementary Storage Technologies
  7. Key Facts & Data
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