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​​​june 16, 2017
​with temperatures rising, aps prepares for increasing demand
​facing the first major heat wave of the summer
PHOENIX – Even for long-time desert dwellers, the Arizona summer heat can seem to sneak up suddenly. This weekend and into next week, temperatures are predicted to rise to record highs. APS employees work year-round across the state preparing to meet customers’ power needs during these hot times.

“Summer is the season we prepare for all year long,” said Jacob Tetlow, APS Vice President of Transmission and Distribution Operations. “We have 2.7 million people depending on us to ensure their AC is running during this extreme heat wave. As a result, we are well prepared to meet the increased need for electricity and have sufficient generation to meet our customers’ needs.”

With APS forecasting a summer peak load of 7,023 megawatts (the period when APS customers collectively use the most energy), Tetlow said APS is prepared to meet the challenges of another hot Arizona summer. Annual preventive maintenance performed over the last year by helicopter, foot, car and all-terrain vehicle has helped to ensure that APS’s 35,000 miles of transmission and distribution lines are ready.  The company also has built additional high-voltage power lines to increase reliability and prevent disruptions and outages.

“Our crews know our customers rely on energy to power their lives. We do our job to ensure there is reliable power flowing to their homes and businesses, regardless of what Mother Nature brings,” said Tetlow.

Energy-Saving Tips

Over the last year, APS has introduced new ways for customers to manage their energy bills, while still enjoying a safe and cool season. From proactive alerts about outages, usage and billing to energy savings and safety tips, APS has you covered. (Related: What are your home’s biggest energy users?)

To help ensure customers stay cool and save money on electricity bills, APS offers these simple low-cost energy-saving tips for the summer:​

  • Make sure your AC is in top condition. APS recommends performing an advanced AC tune-up once every six years. In the Phoenix area, the ideal time to get an AC tune-up is in April and May when temperatures are above 75 degrees, but it’s never too late. If a customer uses a participating contractor, APS offers a $95 incentive per system. For a list of participating contractors, visit
  • Turn your AC thermostat up a degree. To ensure savings on cooling costs, remember “It’s as easy as 1-2-3.” For every one degree AC thermostats are turned up, customers can save 2 to 3 percent monthly on their cooling costs. Customers also can learn their energy savings potential by taking advantage of the Energy Analyzer survey on and receive customized tips. For more ways to save, visit
  • Use sunscreens or other shading devices on windows, especially those in direct sunlight. Forty to 50 percent of the heat coming into a house enters through windows. Blocking the sunlight will increase comfort and reduce cooling costs. Keeping shades or drapes closed during the day helps keep unwanted heat from entering your home.
  • Use fans. While fans don’t actually cool the air, they can help reduce energy costs by creating a wind chill effect, which makes you feel cooler and more comfortable. Ceiling fans can allow thermostats to be set 3 to 4 degrees higher with minimal change in comfort.
  • Repair any broken windows or gaps that allow cool air to escape. Also, keep doors and windows closed, and caulk around them to close the gaps.
  • Whatever it is, turn it off when it’s not in use. Lights, computers, TVs and stereos all use less energy when turned off. It does not take more energy to turn them on and off frequently. If you will be away from home for a long time, unplug them.
  • Do laundry, cooking and dishwashing during cooler times of the day. These tasks (especially using the oven) produce heat, which requires air conditioners to work harder to cool the home.
  • Plant trees and other vegetation adjacent to windows, particularly on the west side of a home. This helps reduce heat by blocking the sun’s rays from entering your home.
  • Change a light bulb. Save energy by changing out inefficient bulbs with more energy-efficient LEDs. LED bulbs use up to 90 percent less energy and can save an average of $80 each in lighting costs over a bulb’s lifetime. LEDs also produce less heat than traditional incandescent or CFL bulbs.​

APS serves about 2.7 million people in 11 of Arizona’s 15 counties, and is the Southwest’s foremost producer of clean, safe and reliable electricity. Using a balanced energy mix that is nearly 50 percent carbon-free, APS has one of the country’s cleanest energy portfolios, including both Palo Verde Generating Station and renewable energy. The company is also a proven leader in introducing technology and services that offer customers choice and control over their energy consumption.  With headquarters in Phoenix, APS is the principal subsidiary of Pinnacle West Capital Corp. (NYSE: PNW).​

​​“We do our job to ensure there is reliable power flowing to customers' homes and businesses, regardless of what Mother Nature brings."​
​- Jacob Tetlow, APS Vice President of Transmission and Distribution Operations​