Kissimmee Utility Authority recorded an instantaneous system peak of 388.8 megawatts (MW) at 4:37 p.m. Monday, eclipsing the previous record of 380.8 MW set on May 28.

Monday’s above-normal temperatures combined with high humidity created a heat index of 103 degrees (as reported by Kissimmee Gateway Airport), forcing air conditioners to work overtime.

KUA offers the following energy-saving tips that require little or no expense and can help to reduce summertime energy costs:

* Set the thermostat on the highest comfortable setting (KUA recommends 78-80 degrees). Raising the temperature just two degrees can reduce cooling costs by as much as five percent.

* Change or clean air conditioner filters monthly. Dirty filters can increase operating costs by 20 percent.

* Use ceiling and portable fans to keep air moving. Fans only use about as much energy as a light bulb.

* Close blinds, drapes and shades during the hottest part of the day. This keeps the sun's rays from heating a house.