Draft:Hermosa-Duhat-Balintawak Transmission Line
Submission declined on 2 May 2025 by AstrooKai (talk).
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| Submission declined on 29 January 2025 by AlphaBetaGamma (talk). This submission is not adequately supported by reliable sources. Reliable sources are required so that information can be verified. If you need help with referencing, please see Referencing for beginners and Citing sources. Declined by AlphaBetaGamma 3 months ago. | |
| Hermosa-Duhat-Balintawak Transmission Line | |
|---|---|
 Standard steel pole from NLEX | |
| Location | |
| Country | Philippines |
| Province | Bataan, Bulacan |
| General direction | South |
| From | Hermosa Substation, Hermosa, Bataan |
| Passes through | Meralco Duhat Substation (now NGCP-Meralco Duhat Substation), Duhat, Bocaue, Bulacan |
| To | Balintawak Substation, Balintawak, Quezon City |
| Ownership information | |
| Owner | NGCP |
| Operator | NGCP |
| Construction information | |
| Cable layer | 750 MCM ACSR |
| Contractors | Herrera Engineering Corporation |
| Construction started | Sep 1993 |
| Commissioned | Jun 1994 |
| Technical information | |
| Type | High-voltage alternating current (HVAC) |
| Total length | 89.29 km (55.48 mi) |
| No. of transmission towers | 515 |
| AC voltage | 230,000 volts (230 kV) |
| No. of poles | 504 |
The Hermosa-Duhat-Balintawak Transmission Line (NGCP: HDB;[1] NAPOCOR: HB [2]) is a double bundle, single circuit and 230,000 volt power line from Hermosa, Bataan.
It is mostly running alongside southbound side of North Luzon Expressway (NLEX) and used as reference for the drivers whether from NCR or Central Luzon.[3]
History
[edit]Naming
[edit]"Hermosa-Balintawak" was the former name of a power line and project before the cut-in connection to Duhat Substation.
It combines the locations of substations, Balintawak Substation in Balintawak, Quezon City and Hermosa in Bataan.
After the cut-in connection to Duhat Substation, it was renamed to "Hermosa-Duhat-Balintawak Transmission Line" because Duhat has now 230,000 volt input in Meralco Duhat Substation.
Planning
[edit]The original transmission line and project name is Hermosa-Balintawak Project. The contractor is Herrera Engineering Corporation. Steel poles' design was borrowed from SGCC or State Grid Corporation of China.
Route
[edit]The route for this transmission line is to run alongside NLEX along with agreement with NAPOCOR. The strip of land was purchased from NLEX and the former owner of this acquired land is NAPOCOR.
Construction
[edit]Construction services began on placing machinery on to a strip of land, claimed by NLEX and a private company.
Construction began on Sep 1993 with its secret groundbreaking ceremony of the first steel pole on Hermosa Substation. The construction continue on full force under the contractor property.
Energization
[edit]The power line was testing for its use and energized fully with 230,000 volts of electricity on Jun 1994.
Transferring ownership to TransCo
[edit]National Transmission Corporation (TransCo) was a former power grid operator in the Philippines and it was automatically transferred.
Cut-in connection to Duhat Substation
[edit]On November 16, 2009, TransCo completed and energized the cut-in connection to Meralco Duhat Substation and it was renamed to "Hermosa-Duhat-Balintawak".
Transferring ownership to NGCP
[edit]National Grid Corporation of the Philippines (NGCP) is a privately-owned power grid operator in the Philippines and this power line automatically transferred to NGCP under the Electric Power Industry Reform Act (EPIRA).
Maintenance by NGCP
[edit]NGCP painted steel poles with galvanized coating in 2015.
Tagging
[edit]As part of NGCP Operations and Maintenance (O&M), the poles are placed with pole number corresponding to a specific pole (eg. 450). Also, they added an ID asset sticker with first prefix and then the pole number (eg. 8LI1DUH-HER)450).
Technical description
[edit]The power line has a total of 515 structures erected. It is a two part transmission line.
Expansions
[edit]Cut-in connection
[edit]NGCP is planning to construct the cut-in connection to San Simon Substation. It will be renamed to "Hermosa-San Simon-Duhat-Balintawak Transmission Line".[4]
Controversies
[edit]According to GMA News Online, published on July 17, 2014, there are 43 power lines owned and operated by NGCP back online but Bicol is still isolated. The segment, Hermosa-Duhat went online and one of lines are back online but Bicol was still in a blackout and on recovery efforts.[5]
On SunStar news article, Levy P. Laus stated that "We understand that the move is intended to safeguard the motoring public but they must also consider health hazards and danger that the giant steel posts may cause inside our property lines," The JASA (Jose Abad Santos Avenue) stakeholders expressed opposition. This triggers NGCP to relocate the line away from residents.[6][7][8]
References
[edit]- ^ NGCP's power line abbreviation after cut-in connection to Duhat Substation which is done by TransCo in past decades
- ^ Former abbreviation used by NAPOCOR
- ^ "CourseHero". coursehero.com. Retrieved Jan 29, 2025.
- ^ "Transmission Development Plan 2022-2040" (PDF). Transmission Development Plan 2022-2040: 226. 2022.
- ^ Locsin, Joel (July 17, 2014). "NGCP: 43 Luzon power lines back online; Bicol still isolated". GMA News Online. p. 1. Retrieved January 30, 2025.
{{cite news}}: CS1 maint: url-status (link) - ^ Ubado, John (August 9, 2017). "Jasa stakeholders oppose relocation of NGCP's posts". SunStar. p. 1. Retrieved January 30, 2025.
{{cite news}}: CS1 maint: url-status (link) - ^ "NGCP to start relocating transmission lines along Jasa". SunStar. February 7, 2018. Retrieved January 30, 2025.
{{cite news}}: CS1 maint: url-status (link) - ^ "33rd Electric Power Industry Reform Act (EPIRA) Implementation Status Report" (PDF). Department of Energy: 81. October 2018.
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