Peak demand refers to the highest level of electricity demand during a specific timeframe, such as an hour or a day. In Texas, peak demand often occurs on hot summer afternoons when millions of air conditioners strain the grid. Managing peak demand is critical for maintaining reliability and avoiding outages.
For Texas businesses and households, understanding peak demand helps control costs. Utilities and electric suppliers may charge demand fees based on the highest kilowatt (kW) drawn in a billing cycle. For example, a manufacturing facility in Houston might experience its peak demand at 4:00 p.m. on an August day when machinery and cooling systems are running simultaneously. Reducing or shifting usage during these times can lower electricity bills and support grid stability.
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