The Tennessee Valley Authority is asking for a voluntary reduction in electricity use until Friday
afternoon as a result of frigid temperatures causing high demand across the Southeast.

The request extends to all electric power consumers- residential, commercial and industrial customers.
The voluntary reduction will help ensure a continued supply of power to essential services throughout TVA’s
seven-state service territory and avoid interruptions of service.

All of TVA’s available generating resources are being used to meet the peak power demand. TVA’s bulk electric system remains secure and stable at this time.

‘When it’s below freezing, each time the temperature drops one degree another 400 megawatts of electricity is needed for our system,’ said Jacinda Woodward, senior vice president of TVA Transmission and Power Supply.

‘Setting your thermostat 2-3 degrees below normal this evening and Thursday morning can really help TVA
manage the high power demand during this challenging time.’

A peak power demand is expected to happen Wednesday evening as regional temperatures are forecast to drop
into single digits causing electricity demand to exceed 31,000 megawatts.

TVA says another peak demand will happen again Thursday morning with electric loads peaking around 32,400 megawatts.

In comparison, demand was just below 32,500 megawatts during the height of the cold wave on Jan. 7, 2014.

Consumers can reduce their power consumption and lower their power bills by:

• Turning down the thermostat. Lowering the temperature just one degree can result in a savings of up to 3%.
• Postpone using electric appliances such as dishwashers, dryers and cooking equipment.
• Turn off nonessential lights, appliances, electronics and other electrical equipment.

TVA and the region’s 155 local power companies also have cut back on power usage in their facilities by adjusting thermostats, reducing lighting and taking other steps to reduce electricity consumption.

On Monday, TVA issued an internal “Conservative Operation Alert,” which delays any non-emergency maintenance activities at TVA’s generation and transmission facilities to minimize risks to the power supply.

As a further precaution, TVA initiated a “Power Supply Alert,” which notes that demand could reach a level where an unexpected shutdown of a large generating unit or transmission system interchange could reduce TVA’s power supply reserves.