1. Changes every month based on the movement in generation cost  in accordance with Article 2 Section 2 of ERC Resolution No. 16, Series of 2009, inclusive of adjustment as per ERC Case No. 2017-056 CF.
2. Changes every month based on the movement in transmission cost in accordance with Article 2 Section 3 of ERC Resolution No. 16, Series of 2009, inclusive of adjustment as per ERC Case No. 2017-056 CF.
3. Implementation of provisionally approved PBR rates for Regulatory Year 2015, in accordance with ERC Order on ERC Case No. 2014-130 RC dated February 2, 2015
4. Changes every month based on the movement in generation and transmission costs and 12-month moving average system loss in accordance with Article 2 Section 4 of ERC Resolution No.16, Series of 2009,  inclusive of adjustment as per ERC Case No. 2017-056 CF.
5. In accordance with the ERC Order in Case No. 2014-135 RC dated August 17, 2015 extending its provisional authority allowing NPC to implement the CY 2014 UCME subsidy amounting to PhP0.1544/kWh.
6. In accordance with the Decision in ERC Case No. 2015-139 RC dated April 10, 2019, cessation of order effective February 2020.
7. In accordance with the Decision in ERC Case No. 2013-195 RC MR docketed January 15, 2019.
8. In accordance with the Decision in ERC Case No. 2018-085 RC dated October 28, 2019.
9. In accordance with ERC advisory dated May 22, 2020 UC Environmental Charge is suspended until further notice.