James A. Loyola
The National Transmission Corporation (TransCo) delivered a total of 110,234.3 MegaWatt months of power to the country’s major electricity grids in 2007, a 7.6 percent increase over the 102,454.1 MW-months registered in the previous year.
Power delivery, measured in MW-months, refers to the sum of TransCo’s monthly billing demands (12 months rolling average) for 2007. TransCo president Arthur Aguilar said the recorded power delivery level in 2007 exceeded projections by 3.6 percent.
He attributed this to the increase in power requirements coming from the franchise area of TransCo’s largest customer Manila Electric Co. (Meralco), the additional power requirements from other large utility customers and the entry of new customers.
"To ensure that customers’ power delivery demands are met, we continue to upgrade and expand our transmission facilities and implement the best practices in operation and maintenance," Aguilar said.
TransCo’s corporate planning group reported that power transmitted to the Luzon grid reached 82,404.8 MW-months, a notable 8.1 percent growth from the 2006 level of 76,265.3 MW-months. Delivery to the Visayas and Mindanao grids likewise went up by 7.9 percnet and 5.0 percent, respectively.
In the Luzon grid, the demand for power delivery service in the Meralco franchise area, which accounts for 74 percent of the Luzon delivery, increased by 6,210.9 MW-months or 11.3 percent when compared with the 2006 level.
Power delivery service in Luzon outside Meralco’s franchise area went up by less than one percent in 2007.
In the case of Distribution Utilities (DUs), while North Luzon DUs posted positive growths, their counterparts in South Luzon decreased their power consumption.
Because of a series of typhoons that hit South Luzon and disrupted power supply to customers in the latter part of 2006, power delivery to DUs was almost flat, registering a total increase of only 1.2 percent, or just 218.6 MW-months from the 2006 level of 17,809.5 MW-months.
On the other hand, power delivery service requirements of public and private economic zone customers reached 2,013.2 MWmonths in 2007, a slight 1.3 percent decrease from the 2006 level of 2,040.3 MW-months.
For non-utility customers, power delivery went up by less than one percent from the 2006 level of 3,106.1 MW-months due to the lower power demands from TransCo’s major customers in the steel and chemical manufacturing industries.
In the Visayas grid, power delivery climbed to 12,139.4 MW-months in 2007, up by 7.9 percent over the year-ago level of 11,247.5 MW-months.
Notable increases in the consumption of DUs namely, Visayan Electric Company (VECO), Panay Electric Company (PECO), and Central Negros Electric Cooperative (CENECO) contributed greatly to the overall growth of demand in the grid.
Likewise, power delivery to industrial customers in the Visayas, particularly steel and mining corporations, increased by 1.2 percent compared with the 2006 level.
In the Mindanao grid, power delivery rose 5 percent from the 2006 level of 14,941.3 MW-months to the 2007 level of 15,690.1 MW-months due mainly to the increase in the demands of customers from steel manufacturing and chemical industries.
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