National Transmission Corporation

Also known as: TransCo · TRANSCO · National Transmission Company

Definition

The National Transmission Corporation (TransCo) is the Philippine government-owned and -controlled corporation that owns the country’s high-voltage electricity transmission grid — the towers, lines, substations, and rights of way that move power from generating plants to distribution utilities nationwide. It was created by Section 8 of the Electric Power Industry Reform Act of 2001 (Republic Act No. 9136), signed on June 8, 2001, to “assume the electrical transmission function of the National Power Corporation” — planning, construction, and centralized operation and maintenance of the grid — and was established on June 26, 2001 as a wholly owned subsidiary of the Power Sector Assets and Liabilities Management Corporation (PSALM). TransCo operated and managed the transmission system from March 1, 2003, when the grid was turned over by NAPOCOR, until January 15, 2009, when operations, maintenance, management, expansion, construction, and eminent domain passed to the private concessionaire National Grid Corporation of the Philippines (NGCP) under a 25-year concession — while ownership of all transmission assets remained with TransCo. (LawPhil — Republic Act No. 9136, TransCo — About Us, GCG — TransCo Profile)

The concession structure was EPIRA’s own design: Section 21 directed PSALM to privatize the transmission business “either through an outright sale or a concession contract” by open competitive bidding, with a concession period of twenty-five years renewable for up to another twenty-five. Since the 2009 turnover TransCo has functioned as the grid’s residual state steward — a chartered GOCC attached to the Department of Energy whose documented mandate is to protect the national government’s interest by monitoring NGCP’s compliance with the concession agreement, handle right-of-way cases that accrued before the turnover, divest the remaining sub-transmission assets to qualified distribution utilities, provide technical services for PEZA economic zones, administer the Feed-in-Tariff Allowance Fund, and serve as system operator of small island grids. (LawPhil — Republic Act No. 9136, GCG — TransCo Profile, Wikipedia — National Transmission Corporation)

Identities

Source	Identifier	URL
Wikipedia	National Transmission Corporation	https://en.wikipedia.org/wiki/National_Transmission_Corporation
Wikidata	National Transmission Corporation (Q6979003)	https://www.wikidata.org/wiki/Q6979003
DBpedia	National_Transmission_Corporation	https://dbpedia.org/page/National_Transmission_Corporation
ProductOntology	N/A	N/A
Wiktionary	TransCo	https://en.wiktionary.org/wiki/TransCo
Library of Congress Subject Headings (LCSH)	N/A	N/A
MeSH	N/A	N/A
NCBI Taxonomy	N/A	N/A
AGROVOC	N/A	N/A
Google Scholar	National Transmission Corporation TransCo EPIRA RA 9136 transmission concession NGCP FIT Allowance Fund Philippines	N/A
ConceptNet	N/A	N/A
OpenCyc	N/A	N/A

Also Known As

TransCo
TRANSCO
National Transmission Company

Examples and Analogies

The landlord of the grid: TransCo kept the deed while NGCP bought the right to run the house — a concession split in which the private operator collects regulated fees for twenty-five years and the state keeps the wires, the arrangement this wiki’s National Grid Corporation of the Philippines entry documents from the operator’s side. (LawPhil — Republic Act No. 9136, TransCo — About Us)
Steward after the handover: TransCo describes itself as “stewards of the transmission assets,” its post-2009 role resembling a trustee that no longer manages the estate but must see that the manager honors the terms — monitoring compliance, winding down old claims, and collecting the renewable-energy levy it administers. (GCG — TransCo Profile)
Two owners, one wire: the assets TransCo acquired before January 2009 stayed with TransCo; those NGCP added after the turnover sit temporarily with the concessionaire and revert to TransCo when its franchise expires — a documented “temporary dual ownership over the grid” that only time and the concession’s end will collapse. (Wikipedia — National Transmission Corporation)
Verified corporate data:
Creation: Section 8, RA 9136 (EPIRA), approved June 8, 2001; TransCo established June 26, 2001 with Asisclo T. Gonzaga as first president
Grid operations: assumed from NAPOCOR on March 1, 2003; ended with turnover to NGCP on January 15, 2009
Concession auction: December 12, 2007, won by the Monte Oro consortium (with Calaca High Power and the State Grid Corporation of China) at US$3.95 billion; concession agreement executed February 28, 2008; NGCP franchise under RA 9511 signed December 2008
Classification: chartered GOCC under the Governance Commission for GOCCs; supervising agency, Department of Energy; principal office at the TransCo Building, Quezon Avenue, Diliman, Quezon City
Post-concession designations: Feed-in-Tariff Allowance Fund Administrator (ERC Resolution No. 15, Series of 2012); System Operator of small island grids (DOE Memorandum of February 4, 2021 and ERC DC 2021-11-0039)

Usage Scenarios

1. Monitoring the Concessionaire

TransCo’s core post-2009 function is watching NGCP: ensuring the concessionaire’s compliance with the concession agreement’s standards, with Department of Energy policies, and with relevant laws — the state’s institutional check on the private operator of a critical network. (GCG — TransCo Profile, TransCo — About Us)

2. Administering the Feed-in-Tariff Allowance Fund

As FIT-All Administrator since 2012, TransCo manages the fund through which renewable-energy generators are paid the feed-in tariff — an revenue-side role in the country’s renewable-energy program that the corporation lists among its enabling issuances. (GCG — TransCo Profile, TransCo — About Us)

3. Divesting Sub-Transmission Assets

EPIRA required the segregation and sale of sub-transmission assets to qualified distribution utilities, with TransCo operating them until transfer and concessional financing available to electric cooperatives — a long disposal tail that remains on the corporation’s books. (LawPhil — Republic Act No. 9136, GCG — TransCo Profile)

4. Operating Small Island Grids

Under a 2021 Department of Energy designation, TransCo serves as System Operator of small island grids outside the main grid — beginning with Palawan operations reported from 2022 — restoring a direct operational role to the asset owner in off-grid areas. (TransCo — About Us, Wikipedia — National Transmission Corporation)

5. Technical Services for Economic Zones

TransCo provides operation, maintenance, consultancy, and technical services for the power systems of PEZA economic zones, including a management contract for the Baguio City Economic Zone — engineering work sold to keep the corporation’s expertise deployed. (GCG — TransCo Profile, TransCo — About Us)

Strategies

Concession instead of sale: EPIRA’s Section 21 menu of outright sale or concession was resolved in favor of the concession — privatizing management and expansion while the Republic retained the assets, a structure both TransCo and its sibling PSALM were built to execute. (LawPhil — Republic Act No. 9136)
Compliance monitoring as ownership’s teeth: the state’s continuing interest is enforced not by operating the grid but by auditing the operator — the monitoring function TransCo institutionalized after January 2009. (GCG — TransCo Profile)
Statutory anchors for every residual role: each post-concession function rests on a specific instrument — the FIT administration on ERC Resolution No. 15 of 2012, the small-grid operation on the DOE memorandum of February 4, 2021 — keeping a downsized GOCC on firm legal footing. (GCG — TransCo Profile)
Stewardship positioning: TransCo frames its mission as “stewards of the transmission assets” ensuring “their optimal utilization,” with a vision of proficiency in grid planning and system operations by 2029 — the corporate identity of an owner preparing for the concession’s eventual end. (GCG — TransCo Profile)

Security and Safety Measures

Open, non-discriminatory access: as the transmission function’s statutory owner, TransCo inherits EPIRA’s rule that the grid carry all users on equal terms — the safeguard against exclusion that the concessionaire must honor. (LawPhil — Republic Act No. 9136)
Grid-security oversight: TransCo’s monitoring extends to the security dimension of foreign-partnered grid operation — in November 2019 Senate hearings its own president confirmed the grid could be shut off remotely and estimated recovery at about 24 to 48 hours, testimony that made TransCo the government’s technical voice on the national-security controversy documented in this wiki’s NGCP entry. (Wikipedia — National Transmission Corporation)
Performance guarantees from the concessionaire: EPIRA required the concession awardee to post performance and financial guarantees and to comply with the Grid Code and the Transmission Development Plan — obligations TransCo helps police. (LawPhil — Republic Act No. 9136)
Right-of-way case management: by handling pre-turnover right-of-way and claims cases, TransCo quarantines the grid’s legacy legal disputes from the operating company. (GCG — TransCo Profile)

Historical Context

TransCo is EPIRA’s transmission offspring, created eighteen days after President Gloria Macapagal Arroyo signed RA 9136 on June 8, 2001, with Asisclo T. Gonzaga as first president. After NAPOCOR turned over the grid on March 1, 2003 — Dr. Alan T. Ortiz having taken the presidency that January — TransCo ran the transmission system as a state monopoly for nearly six years. Privatization followed Section 21’s script with difficulty: three auctions failed between 2003 and 2006 before the December 12, 2007 bidding, where the Monte Oro–Calaca–State Grid Corporation of China consortium won with a US$3.95 billion bid; the concession agreement was executed on February 28, 2008, Congress granted NGCP its 50-year franchise through RA 9511 in December 2008, and the turnover was completed on January 15, 2009 — the sequence documented from the operator’s side in this wiki’s National Grid Corporation of the Philippines entry. (Wikipedia — National Transmission Corporation, LawPhil — Republic Act No. 9136)

The corporation’s second life has been quieter but institutionalized: designated Feed-in-Tariff Allowance Fund Administrator in 2012, assigned small-island-grid system operation in 2021 (with Palawan operations from 2022), and listed by the Governance Commission for GOCCs as a chartered GOCC under the Department of Energy — the custodian of assets the concession will one day return. Its oversight role has surfaced at the controversy’s edge: the 2017 accusation that NGCP violated the concession agreement by leasing tower space to telecom firms, the November 2019 Senate hearings on remote shutdown capability in which TransCo’s president testified, the 2021 consumer-group demands for a systems audit, and January 2024 accusations that TransCo itself was being lenient with NGCP. (Wikipedia — National Transmission Corporation, GCG — TransCo Profile)

Challenges and Controversies

Dual Ownership and the Reversion Question

Because assets NGCP added after January 2009 remain temporarily with the concessionaire until its franchise expires, the grid operates under documented “temporary dual ownership” — an arrangement whose accounting, maintenance responsibility, and eventual reversion to TransCo at franchise end remain the concession’s unresolved long question. (Wikipedia — National Transmission Corporation)

How Hard to Police the Concessionaire

TransCo’s monitoring mandate has drawn fire from both directions: in May 2017 TransCo accused NGCP of violating the concession agreement by earning too much from its assets, including leasing tower space to telecom firms; by January 2024 Senator Raffy Tulfo was accusing TransCo of “being lenient to NGCP” — leaving the watchdog criticized both for barking and for not barking. The 2023 Malacañang statement that the government would retake NGCP control “if necessary” underscored how quickly concession disputes can escalate. (Wikipedia — National Transmission Corporation)

The Security Dimension of Supervision

The November 2019 Senate hearings — in which TransCo’s president confirmed China-partnered NGCP’s grid could theoretically be switched off remotely, with 24 to 48 hours needed for recovery — placed TransCo inside the national-security controversy over the State Grid Corporation of China’s 40 percent stake in the concessionaire, documented in this wiki’s NGCP entry. As asset owner and compliance monitor, TransCo holds the institutional duty the controversy keeps testing. (Wikipedia — National Transmission Corporation)

A GOCC Built to Shrink

TransCo’s residual mandate — winding down claims, divesting sub-transmission assets, administering funds — is the profile of a corporation designed to diminish, yet the FIT administration, the small-grid operations, and the zone services keep it in business, and the concession’s 25-year term (renewable to 50) leaves the ultimate disposition of the grid a question for the 2030s. (LawPhil — Republic Act No. 9136, GCG — TransCo Profile)