Archive · 21 Jun 2025
US Power Grid Faces 12-Year High Due to Heat Wave
The biggest power grid in the US, which serves many people, is going to have to provide more electricity than it has in 12 years.
This is because it's going to get really hot.
Temperatures could reach 100 degrees in some places!
Because everyone will be using their air conditioners, the amount of electricity needed will go up.
This means that the cost of electricity will also go up, costing about five times as much as usual.
Data centers are also causing the demand to rise.
Electricity use on the biggest US grid is expected to reach a 12-year high.
A heat wave will cause temperatures to reach 100°F in Washington on Monday.
PJM Interconnection LLC predicts peak demand could reach 158.5 gigawatts.
Power prices for Monday soared to an average of $200 per megawatt-hour.
Demand growth is rebounding due to new data centers.
- Who
- Households and businesses relying on the PJM Interconnection LLC grid.
- What
- Electricity use is expected to reach a 12-year high.
- When
- The heat wave will start Saturday, with peak demand expected around 5 p.m. ET on Monday.
- Where
- The biggest US grid, from Washington DC to Illinois.
- Why
- Intense heat will increase air conditioning needs, and new data centers are increasing demand.
- Grid Operator
- PJM Interconnection LLC
- Peak Demand Prediction
- 158.5 gigawatts
- Previous High
- July 2013
- All-Time High
- Nearly 165.6 gigawatts (2006)
- Temperature Forecast
- 100°F in Washington on Monday
- Price Increase
- Five-fold
- Power Price
- $200/megawatt-hour