BESS News Roundup for Week 41 — India and SE Asia
Week of 5–11 October 2026 | By Vipanan Ajin — BESS Research, Garhi Engineering
A week of firsts and new announcements. In India, Jupiter Wagons won its first utility-scale BESS project (41 MW / 102.5 MWh in Uttarakhand), Pace Digitek secured a 115 MWh BOOT project from BSES Rajdhani in Delhi, and the government announced a national battery energy policy portal is imminent. Tamil Nadu is drafting its own state-level BESS policy. In Southeast Asia, Sungrow completed grid connection of a 108.4 MW / 215.6 MWh grid-forming BESS in Cambodia, the Philippines ERC cleared a Cebu battery storage deal, and a new Ember report revealed ASEAN needs 23–26 GW of storage by 2030 but has only 7 GW announced — a 16–19 GW gap.
1. Jupiter Wagons — 41 MW / 102.5 MWh BESS in Uttarakhand (India)
41 MW / 102.5 MWh | Won Oct 2026 | ₹100 crore | First utility-scale BESS project
Jupiter Wagons Ltd (JWL), through its energy arm JEM Energy, has won a 41 MW / 102.5 MWh standalone BESS project in Uttarakhand, valued at approximately ₹100 crore. The company also received a Letter of Award for a West Bengal project. This marks Jupiter Wagons’ first entry into utility-scale battery storage, targeting a ₹1,000 crore order book in the segment.
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2. Pace Digitek — 115 MWh BESS from BSES Rajdhani, Delhi (India)
115 MWh | LoI Oct 8, 2026 | ₹179.4 crore | 12-year BOOT model
Pace Digitek Limited has received a Letter of Intent from BSES Rajdhani Power Limited (BRPL) for a 115 MWh utility-scale BESS project in Delhi. The project will be developed under a 12-year Build, Own, Operate and Transfer (BOOT) model with a capital outlay of approximately ₹179.4 crore. This is one of the first DISCOM-procured BESS projects in India.
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3. SECI ESS-IV — Pre-Bid Stage Opens for 800 MW / 3,200 MWh (India)
800 MW / 3,200 MWh | Pre-bid Oct 7, 2026 | Bids due Oct 30, 2026
The Solar Energy Corporation of India has opened the pre-bid stage for its 800 MW / 3,200 MWh standalone BESS tender under the ESS-IV programme. The tender requires 4-hour discharge and uses tariff-based competitive bidding with e-Reverse Auction. Pre-bid meetings were held on October 7, with bids due October 30, 2026. This is one of the largest standalone BESS tenders in India’s history.
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4. TERI Announces Winner of 115 MWh Battery Storage Auction (India)
115 MWh | Winner announced Oct 8, 2026 | Tender floated July 2026
The Energy and Resources Institute (TERI) has announced the winner of its 115 MWh battery storage auction. The tender was floated in July 2026 as part of TERI’s initiative to accelerate storage deployment in India and attract private investment in the sector.
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5. India National Battery Energy Policy Portal — Imminent Rollout
Policy | Announced Oct 8, 2026 | Portal to be launched soon
Union Minister Nirmal Kumar has announced that a national battery energy policy and dedicated portal will be rolled out soon. The portal is expected to streamline approvals, track BESS projects, and provide a single-window interface for developers. This follows the Cabinet’s approval of Green Energy Corridor Phase-III (50 GWh BESS) and the CEA’s proposal to mandate co-located storage for new solar and wind projects from July 2027.
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6. Tamil Nadu — State-Level BESS Policy in Drafting
Policy | Announced Jul 2026 | Comprehensive BESS policy being drafted
Tamil Nadu is drafting a comprehensive state-level Battery Energy Storage policy, joining Gujarat and Maharashtra in creating state-specific storage frameworks. The policy is expected to address tariff structures, land allocation, and grid connectivity for BESS projects. Tamil Nadu’s Vision 2031 plan emphasizes green energy and charging infrastructure.
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7. Sungrow — 108.4 MW / 215.6 MWh Grid-Forming BESS in Cambodia
108.4 MW / 215.6 MWh | Grid connection completed Oct 1, 2026 | Grid-forming | Black-start capable
Sungrow has completed grid connection and full acceptance testing of a 108.4 MW / 215.6 MWh grid-forming BESS in Takmao, Kandal, Cambodia. The system has black-start capabilities and is one of the first grid-forming battery installations in Southeast Asia. A recently completed 200 MW / 400 MWh BESS project in Chi… also came online.
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8. Philippines ERC — Cebu Battery Storage Deal Cleared
ERC Case No. 2026-140 RC | Approved Oct 9, 2026 | Visayas grid backup
The Energy Regulatory Commission (ERC) has approved a battery storage deal in Cebu to ease Visayas power risks. The order, issued in ERC Case No. 2026-140 RC, was approved on October 9, 2026, allowing the contract to be implemented. The ERC has received 17 battery storage applications in the Visayas and Mindanao regions, signaling growing private-sector interest in Philippine storage.
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9. NINE Energy Storage — C&I BESS Brand Expands to Southeast Asia
200+ MWh deployed across 30+ countries | Expansion announced Oct 2026 | Vietnam, Philippines, Indonesia focus
NINE Energy Storage, a Shenzhen-based C&I battery energy storage brand, has announced its formal strategic expansion into Southeast Asia, with Vietnam, the Philippines, and Indonesia designated as primary focus markets. The company has deployed over 200 MWh across 30+ countries and 200+ completed projects. The expansion targets the industrial storage boom solving brownouts across the region.
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10. Ember Report — ASEAN Storage Gap: 23–26 GW Needed by 2030, Only 7 GW Announced
Report released Oct 7, 2026 | 16–19 GW gap | Financing bottleneck identified
A new Ember report released on October 7, 2026, identifies project bankability as the next major challenge for ASEAN renewable energy investment. The report finds that ASEAN needs 23–26 GW of energy storage by 2030 under transition scenarios, yet announced projects total just 7 GW — less than a third of the requirement. The report identifies a 16–19 GW gap and calls for monetising flexibility and grid network value to unlock financing.
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Events Worth Watching
India Energy Storage Summit 2026 — 22–24 October 2026, India Expo Mart, Greater Noida. Hosted by Solar Media. Covers grid capacity, storage deployment, and market development in India. storageindia.solarenergyevents.com
Energy Storage Summit Asia 2026 — Bangkok, Thailand. 4th edition. Pivotal moment for regional storage deployment. storageasia.solarenergyevents.com
Quick Regional Summary
| Region | Headline | Status |
|---|---|---|
| India (Uttarakhand) | Jupiter Wagons 41 MW/102.5 MWh BESS | Won — ₹100 crore |
| India (Delhi) | Pace Digitek 115 MWh BESS (BSES Rajdhani) | LoI received — ₹179.4 crore |
| India (national) | SECI ESS-IV 800 MW/3,200 MWh BESS | Pre-bid opened — bids due Oct 30 |
| India (national) | TERI 115 MWh BESS auction | Winner announced |
| India (national) | National battery energy policy portal | Imminent rollout |
| India (Tamil Nadu) | State-level BESS policy | Drafting |
| Cambodia | Sungrow 108.4 MW/215.6 MWh grid-forming BESS | Grid connection completed |
| Philippines | ERC Cebu battery storage deal | Approved Oct 9 |
| SE Asia | NINE Energy C&I BESS expansion | Vietnam, Philippines, Indonesia focus |
| ASEAN | Ember report: 23–26 GW storage needed by 2030 | Only 7 GW announced — 16–19 GW gap |
This roundup tracks utility-scale BESS developments across India and Southeast Asia. Projects are verified against public sources at time of writing. Submit corrections or additions to Vipanan Ajin at Garhi Engineering.
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