POWER_ADVISORY

Information from TransCo “SIGNIFICANT INCIDENT NOTICE Description of Outages: Partial System Blackout at Palawan Grid Date: May 16, 2025 Time of Incident: 1046H Probable Cause: Ongoing assessment Affected Area: Lucbuan, Roxas and Taytay, Palawan Remarks: Ongoing assessment. A/T CB12 at Delta P, facing Roxas 69 kV T/L.”

Partial Power Interruption Final Update 5/15/25 8:03 PM Petsa: May 15, 2025 Oras Na Nawalan: 7:06 PM Apektadong Lugar: Under SAN JOSE CIRCUIT: Brgy. San Jose, Brgy. San Manuel, Brgy. Tagburos, Brgy. Sta. Lourdes hanggang Sitio Magarawak at iilang bahagi ng Brgy. Sicsican. Oras Na Naibalik: San Jose Initial 07:51PM Mendoza at San Manuel Recloser

Partial Power Interruption Final Update 5/15/25 12:40 PM Petsa: May 15, 2025 Oras Na Nawalan: 10:34 AM Apektadong Lugar: Under FACTOR RECLOSER: Brgy. San Manuel, Brgy. San Pedro, Brgy. San Miguel, Naval Road, 570th Composite Tactical Wing Compound at Naval Compound Oras Na Naibalik: 12:15 PM Detalye: Ang sanhi ng pansamantalang pagkawala ng kuryente ay

Partial Power Interruption Final Update 5/9/25 7:58 PM Petsa: May 9, 2025 Oras Na Nawalan: 7:02 PM Apektadong Lugar: Under LACSAMANA RECLOSER: Brgy. San Pedro at Brgy. Tiniguiban Oras Na Naibalik: 7:54 PM Detalye: Damaged transformer sa Lacsamana Rd. Bgy. Tiniguiban ang dahilan ng pagkawala ng daloy ng kuryente. Naka isolate ang linya ng Lacsamana

Partial Power Interruption Final Update 5/12/25 3:46 PM Petsa: May 12, 2025 Oras Na Nawalan: 2:43 PM Apektadong Lugar: Under POBLACION CIRCUIT: Brgy. San Pedro, Brgy. Mandaragat, Brgy. Matahimik, Brgy. Tagumpay, Brgy. Seaside, Brgy. Bagong Pag-asa Oras Na Naibalik: 2:55 PM Apektadong Lugar: Under PILTEL RECLOSER: Brgy. Maligaya, Brgy. Matiyaga, Brgy. Mabuhay, Brgy. Liwanag, Brgy.

SIGNIFICANT INCIDENT NOTICE Description of Outages: Total System Blackout (TSB) at Palawan Grid Date: May 7, 2025 Time of Incident: 1342H Probable Cause: Ongoing assessment Affected Area: Mainland Palawan Weather: Heavy Rain with thunderstorm

Partial Power Interruption Final Update 5/5/25 8:02 PM Petsa: May 5, 2025 Oras Na Nawalan: 7:32 PM Apektadong Lugar: Under Kalikasan RECLOSER: Kalikasan Homes hanggang WESCOM, Naval Road, 570th Composite Tactical Wing Compound at Naval Compound Oras Na Naibalik: 7:56 PM Detalye: Naka-isolate pa ang isang common transformer sa Naval Compound.

Partial Power Interruption Final Update 5/5/25 11:22 AM Petsa: May 5, 2025 Oras Na Nawalan: 10:30 AM Apektadong Lugar: Under Lucbuan feeder 2: Brgy. Lucbuan, Brgy. Babuyan, Brgy. San Rafael, Brgy. Concepcion, Brgy. Binduyan hanggang Brgy. Langogan Oras Na Naibalik: 11:19 AM Detalye: Emergency load shedding due to emergency unload of eDelta P Unit 2

Partial Power Interruption Final Update 5/5/25 11:20 AM Petsa: May 5, 2025 Oras Na Nawalan: 10:45 AM Apektadong Lugar: Under MENDOZA RECLOSER: Brgy. San Jose, Brgy. Tagburos, Brgy. Sta. Lourdes hanggang Sitio Magarawak at iilang bahagi ng Brgy. Sicsican. Oras Na Naibalik: 11:15 AM Detalye: Emergency load shedding due to emergency unload of eDelta P

Partial Power Interruption Final Update 5/5/25 11:21 AM Petsa: May 5, 2025 Oras Na Nawalan: 10:42 AM Apektadong Lugar: Under Lucbuan Feeder 1: Brgy. Lucbuan hanggang Bgy. Salvacion, Sitio Tagbato Oras Na Naibalik: 11:18 AM Detalye: Emergency load shedding due to emergency unload of eDelta P Unit 2 (mechanical problem).