The Need for Power Transmission Sector Reforms in the Philippines

Adoracion M. Author_Email: Navarro

No DP 2025-57, Discussion Papers from Philippine Institute for Development Studies

Abstract: This study examines the structural, regulatory, and institutional challenges facing the power transmission sector in the Philippines amid rapidly rising electricity demand and comparatively slow grid expansion. While electricity consumption grew by about 140 percent from 2003 to 2024, the growth of the transmission network lagged significantly, contributing to congestion, reliability concerns, and energy insecurity. Using a qualitative research approach, the study analyzes key documentary sources, including the transmission concession agreement, transmission development plans, regulatory filings, and regulatory decisions. The analysis situates the performance of the Philippine transmission sector within the context of economic theories regarding transmission as a regulated natural monopoly in liberalized power markets. It highlights gaps between theory and practice, particularly in regulatory practices, investment incentives, system operation, and risk allocation. The study identifies persistent issues such as project delays, regulatory lag in rate-setting, right-of-way constraints, weaknesses in ancillary services procurement, coordination failures among institutions, ownership and national security concerns, and increasing transmission congestion. The findings suggest that while private participation and performance-based regulation were intended to improve efficiency and investment, regulatory delays and uncertainty, as well as institutional frictions, have weakened incentives for timely and adequate grid expansion. The study concludes by drawing policy implications and proposing reforms aimed at strengthening regulatory capacity and credibility, improving coordination, aligning investment incentives with public interest objectives, and enhancing the reliability and resilience of the Philippine power transmission system. Comments to this paper are welcome within 60 days from the date of posting. Email publications@pids.gov.ph.

Keywords: power transmission; liberalized power markets; grid regulation; return-on-rate base regulation; performance-based regulation; transmission investment; transmission congestion (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:phd:dpaper:dp_2025-57

DOI: 10.62986/dp2025.57

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