Signals
June 2026 core inflation hits a 31-month high (4.4%) as headline eases to 6.4%, while Q1 GDP growth slows to a five-year low of 2.8% and DBCC cuts the 2026 growth target to 3.5-4.5%Indonesia's 2026 nickel quota cut reprices Philippine ore as PNIA cites the IndoPhil corridor as a supply-risk hedgeMTerra Solar Phase 1 fully energized at 1,373 MW + 825 MW BESS, inaugurated by MarcosMCC approves USD 60-million Threshold Program grant for Philippine energy permitting reformDOE indefinitely suspends GEA-5, the Philippines' first offshore-wind-only auction roundADB-backed P10.07B geothermal exploration de-risking facility clears final approvalAWS pitches Marcos a proposed $5B, 15-year Philippine digital infrastructure buildout including a possible AWS RegionPLDT, Smart, and DITO sign non-monetary pact to share towers and submarine cable capacity as two new subsea systems converge on Aurora and BatangasFirst Gen signs 25-year NIA agreement to build 120-MW Aya Pumped-Storage Project in Nueva EcijaDOE submits Oil Deregulation Law amendments to Congress: 60-day national fuel reserve, doubled inventory mandateDOE escalates against 121 non-responsive gencos, threatens Certificate of Compliance cancellation over outage reporting failuresEnergy-emergency interventions (WESM suspension precedent, Malampaya-fund fuel procurement, Russian crude diversification, storage mandate) outlast the Hormuz shock that triggered EO 110AIIB lends ICTSI USD 300M in its first non-sovereign Philippine loan, financing MICT, SLCT, and MCT terminal upgradesPhilippine data-center operators target a tripling to 473 MW; PLDT plans 100 MW Cavite hyperscale buildEDC executes PHP 30-billion, 40-well drilling program targeting 85 MW of added geothermal capacity by 2026450-MW Mindanao-Visayas Interconnection enters commercial operation, ending Mindanao's grid isolationScatec-Aboitiz Magat BESS expansion enters commercial operation as storage-integrated auctions scaleNGCP commits seven key transmission completions in 2026 within a PHP 1.1-trillion buildout to 2034Philippines races to 10.72 mtpa of LNG regasification as Malampaya depletion nears early 2027GEA-4 awards 10,195 MW across 123 projects; DOE unveils ~25 GW auction pipeline through 2035US and Korean partners fund Philippine nuclear program steps toward a 1,200 MW by 2032 targetNew Clark City lands US-backed 4,000-acre tech zone and Japanese infrastructure partnershipsCebu pairs PHP 19.23-billion quake recovery with a PHP 107-billion 2027 project slateNSCR targets Malolos-Clark partial operations in 3Q 2026 as 2026 budget halving pushes full ops to 2032NMIA passenger terminal construction begins as NAIA posts record throughput under SMC-led concessionMetro Manila Subway passes 90% right-of-way and 1,000 m of tunneling; demo run targeted Q1 2028OFW cash remittances hit record USD 35.63 billion in 2025, ~7.3% of GDP2025 FDI net inflows fall 17.1% to USD 7.79 billion, lowest since 2020; equity placements rise 31%Estrata Q2 2026 recompute: five of six tracked opportunities score in the 80+ high-priority bandBSP reverses course: April 2026 hike to 4.5% after February cut to 4.25%, on 6.3% 2026 inflation forecastPEZA approvals double to PHP 90.96 billion as CREATE MORE IRR lands; EMS-SMS named priority sectorNEDA approves 41 projects worth PHP 878.3 billion this year; 174 PPP projects in pipeline2026 GAA gives education a record PHP 1.37 trillion while DPWH falls to PHP 530.89 billionCOA finds 421 ghost flood-control projects; ICI probe and AMLC freezes reshape public-works procurementMetro Manila office vacancy plateaus near 19% with ~1.2M sqm overhang after the POGO banNEDA Board updates Build Better More program to 185 Infrastructure Flagship Projects valued at PHP 9.54 TrillionPhilippine government and ADB sign USD 650 Million first tranche loan for Bataan-Cavite Interlink BridgeDOE and PPA prioritize three strategic ports for offshore wind repurposing and modernizationSTT GDC Philippines builds STT Fairview (Quezon City), the country's largest 124 MW data center campusDOE awards 2 GW offshore wind portfolio contracts to Copenhagen Infrastructure Partners (CIP)NGCP completes Mariveles-Hermosa-San Jose 500kV Transmission Line to unlock 8,000 MW capacityNGCP completes Cebu-Negros-Panay (CNP) 230kV Backbone Stage 3 to secure Visayas gridePLDT inaugurates VITRO Sta. Rosa, the country's first 50 MW AI-ready hyperscale data centerDOE-backed 3,500 MWp MTerra Solar + 4,500 MWh storage breaks ground in Nueva Ecija and BulacanAboitiz brings utility-scale solar online across Visayas and Luzon: Calatrava (173 MWp), Olongapo (211 MWp), San Manuel (89 MWp)Triconti Seawind consortium secures first-ever Philippine grid connection agreements for 1.65 GW of offshore windDOE opens Green Energy Auction 4: 9,378 MW of solar and wind across nine regional lots, 2026–2029June 2026 core inflation hits a 31-month high (4.4%) as headline eases to 6.4%, while Q1 GDP growth slows to a five-year low of 2.8% and DBCC cuts the 2026 growth target to 3.5-4.5%Indonesia's 2026 nickel quota cut reprices Philippine ore as PNIA cites the IndoPhil corridor as a supply-risk hedgeMTerra Solar Phase 1 fully energized at 1,373 MW + 825 MW BESS, inaugurated by MarcosMCC approves USD 60-million Threshold Program grant for Philippine energy permitting reformDOE indefinitely suspends GEA-5, the Philippines' first offshore-wind-only auction roundADB-backed P10.07B geothermal exploration de-risking facility clears final approvalAWS pitches Marcos a proposed $5B, 15-year Philippine digital infrastructure buildout including a possible AWS RegionPLDT, Smart, and DITO sign non-monetary pact to share towers and submarine cable capacity as two new subsea systems converge on Aurora and BatangasFirst Gen signs 25-year NIA agreement to build 120-MW Aya Pumped-Storage Project in Nueva EcijaDOE submits Oil Deregulation Law amendments to Congress: 60-day national fuel reserve, doubled inventory mandateDOE escalates against 121 non-responsive gencos, threatens Certificate of Compliance cancellation over outage reporting failuresEnergy-emergency interventions (WESM suspension precedent, Malampaya-fund fuel procurement, Russian crude diversification, storage mandate) outlast the Hormuz shock that triggered EO 110AIIB lends ICTSI USD 300M in its first non-sovereign Philippine loan, financing MICT, SLCT, and MCT terminal upgradesPhilippine data-center operators target a tripling to 473 MW; PLDT plans 100 MW Cavite hyperscale buildEDC executes PHP 30-billion, 40-well drilling program targeting 85 MW of added geothermal capacity by 2026450-MW Mindanao-Visayas Interconnection enters commercial operation, ending Mindanao's grid isolationScatec-Aboitiz Magat BESS expansion enters commercial operation as storage-integrated auctions scaleNGCP commits seven key transmission completions in 2026 within a PHP 1.1-trillion buildout to 2034Philippines races to 10.72 mtpa of LNG regasification as Malampaya depletion nears early 2027GEA-4 awards 10,195 MW across 123 projects; DOE unveils ~25 GW auction pipeline through 2035US and Korean partners fund Philippine nuclear program steps toward a 1,200 MW by 2032 targetNew Clark City lands US-backed 4,000-acre tech zone and Japanese infrastructure partnershipsCebu pairs PHP 19.23-billion quake recovery with a PHP 107-billion 2027 project slateNSCR targets Malolos-Clark partial operations in 3Q 2026 as 2026 budget halving pushes full ops to 2032NMIA passenger terminal construction begins as NAIA posts record throughput under SMC-led concessionMetro Manila Subway passes 90% right-of-way and 1,000 m of tunneling; demo run targeted Q1 2028OFW cash remittances hit record USD 35.63 billion in 2025, ~7.3% of GDP2025 FDI net inflows fall 17.1% to USD 7.79 billion, lowest since 2020; equity placements rise 31%Estrata Q2 2026 recompute: five of six tracked opportunities score in the 80+ high-priority bandBSP reverses course: April 2026 hike to 4.5% after February cut to 4.25%, on 6.3% 2026 inflation forecastPEZA approvals double to PHP 90.96 billion as CREATE MORE IRR lands; EMS-SMS named priority sectorNEDA approves 41 projects worth PHP 878.3 billion this year; 174 PPP projects in pipeline2026 GAA gives education a record PHP 1.37 trillion while DPWH falls to PHP 530.89 billionCOA finds 421 ghost flood-control projects; ICI probe and AMLC freezes reshape public-works procurementMetro Manila office vacancy plateaus near 19% with ~1.2M sqm overhang after the POGO banNEDA Board updates Build Better More program to 185 Infrastructure Flagship Projects valued at PHP 9.54 TrillionPhilippine government and ADB sign USD 650 Million first tranche loan for Bataan-Cavite Interlink BridgeDOE and PPA prioritize three strategic ports for offshore wind repurposing and modernizationSTT GDC Philippines builds STT Fairview (Quezon City), the country's largest 124 MW data center campusDOE awards 2 GW offshore wind portfolio contracts to Copenhagen Infrastructure Partners (CIP)NGCP completes Mariveles-Hermosa-San Jose 500kV Transmission Line to unlock 8,000 MW capacityNGCP completes Cebu-Negros-Panay (CNP) 230kV Backbone Stage 3 to secure Visayas gridePLDT inaugurates VITRO Sta. Rosa, the country's first 50 MW AI-ready hyperscale data centerDOE-backed 3,500 MWp MTerra Solar + 4,500 MWh storage breaks ground in Nueva Ecija and BulacanAboitiz brings utility-scale solar online across Visayas and Luzon: Calatrava (173 MWp), Olongapo (211 MWp), San Manuel (89 MWp)Triconti Seawind consortium secures first-ever Philippine grid connection agreements for 1.65 GW of offshore windDOE opens Green Energy Auction 4: 9,378 MW of solar and wind across nine regional lots, 2026–2029
Energyreviewedscoring 2026.1
BESS: The Grid's New Backbone. Why Battery Storage Is Now the Philippines' Fastest-Compounding Energy Asset
The Philippine battery energy storage market is projected to more than triple by 2031, pulled by ancillary-services revenue, storage-mandated auctions, and a grid that cannot absorb variable renewables without it. The investment case has shifted from optional add-on to structural requirement.
Estrata·2026-05-18
Key takeaways
- The market is compounding at venture-like rates. Industry forecasts put the Philippine battery energy storage systems (BESS) market at roughly USD 3.1 billion in 2025, growing toward USD 9.8 billion by 2031, a ~21.5 percent CAGR.1
- Ancillary services are the proven revenue anchor. The Scatec–Aboitiz Power joint venture's Magat BESS has been earning ancillary-services reserve revenue since 2024, and the partners brought a second unit (16 MW) into commercial operation on the strength of those returns, with 120 MWh more under construction.2
- Policy now mandates storage. The DOE's Green Energy Auction 4 carved out an Integrated Renewable Energy and Energy Storage System (IRESS) category, solar paired with a minimum four-hour storage duration, making storage a condition of winning offtake, not an afterthought.3
- Storage is the binding constraint on the 50 percent RE goal. Energy regulators and grid planners increasingly treat storage as the critical enabling tool for the Philippines' renewable portfolio standard trajectory.4
From add-on to admission ticket
For most of the 2010s, batteries in the Philippine power sector were demonstration projects. That era is over. Three forces have converged to make BESS a structural requirement:
- Grid physics. Solar additions contracted through the Green Energy Auction Program arrive in multi-gigawatt blocks. Without fast-responding storage, midday solar surpluses force curtailment and evening ramps strain thermal plants. NGCP's ancillary-services procurement is the system's pressure valve, and batteries are the cheapest fast-response asset that can bid into it.
- Market design. The reserve market under WESM gives storage operators a revenue stream that does not depend on energy arbitrage alone. The Magat experience (solid ancillary revenue since 2024, prompting immediate expansion) is the clearest public proof that the business model clears its cost of capital.2
- Auction design. GEA-4's IRESS category awarded twenty solar-plus-storage projects totaling roughly 1.2 GW, each carrying a four-hour minimum storage requirement.3 Developers who cannot finance and integrate batteries are now structurally excluded from a growing share of contracted capacity.
Our read: the Philippines is repeating, on an accelerated timeline, the sequence seen in Australia's National Electricity Market: ancillary services prove the asset class, then energy arbitrage and capacity-style contracts scale it. Investors who treat BESS as a niche are mispricing the trajectory.
Where the money is being made
The operating fleet tells the story. Scatec and Aboitiz Power's Magat complex pairs storage with an existing hydro plant, using the hydro interconnection to avoid greenfield grid costs while selling reserves into the ancillary market. The JV now operates 40 MWh with another 120 MWh under construction.2
The next wave is larger and standalone: utility-scale BESS co-located with solar under IRESS contracts, and commercial-and-industrial systems behind the meter as businesses hedge grid reliability.1 The MTerra Solar project's 4,500 MWh battery component, the largest announced co-located system globally, anchors the top end of the pipeline (see our Central Luzon solar-storage analysis).
Risks
Battery economics are exposed to three variables: global lithium-cell pricing cycles, the pace of ERC rule-making on storage market participation, and ancillary-services price discovery as more batteries enter the reserve stack (more supply of reserves compresses clearing prices). The first movers earned outsized returns; the spread will normalize. The durable advantage will belong to operators who can stack revenues, reserves, arbitrage, and contracted capacity, on the same asset.
Scatec Groupcorporate
Scatec JV starts commercial operation of battery system in the Philippines
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Taiyang Newsnews2025-11-10
Over 10 GW RE Selected Under Philippines' GEA-4 Auction
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