Carbon intensity update for 25th Oct 25

Stay informed with Jaxi’s daily carbon intensity updates to help you make smart, eco-conscious decisions about your electricity usage. Understanding carbon intensity—the amount of CO2 emitted per kilowatt-hour (gCO2/kWh) of electricity consumed—can empower households to shift energy use to greener time slots. This is particularly important when renewable sources are limited, and the grid relies more on fossil fuels like coal or gas to meet high demand.

Here’s the UK carbon intensity update for October 25, 2025, featuring both forecasted and actual emissions data:

• 23:00 – 23:30 (Oct 24): Forecast – 50 gCO2/kWh | Actual – 52 gCO2/kWh | Level – Low
• 23:30 – 00:00: Forecast – 48 gCO2/kWh | Actual – 51 gCO2/kWh | Level – Low
• 00:00 – 00:30: Forecast – 53 gCO2/kWh | Actual – 55 gCO2/kWh | Level – Low
• 07:00 – 07:30: Forecast – 41 gCO2/kWh | Actual – 60 gCO2/kWh | Level – Low
• 16:00 – 16:30: Forecast – 54 gCO2/kWh | Actual – 69 gCO2/kWh | Level – Low
• 17:00 – 17:30: Forecast – 63 gCO2/kWh | Actual – 73 gCO2/kWh | Level – Low
• 18:30 – 19:00: Forecast – 59 gCO2/kWh | Actual – 64 gCO2/kWh | Level – Low

Insights:

• The majority of October 25 maintained a low carbon intensity, which is great news for environmentally conscious energy users.
• However, actual figures occasionally surpassed forecasts—suggesting unexpected changes in electricity demand or a shift toward dirtier energy sources during those times.

Why does this matter?

When electricity demand peaks, the energy grid can fall back on fossil fuel generators such as coal or natural gas. These generate higher levels of CO2, increasing the carbon intensity. By using high-energy appliances like dishwashers, washing machines, or EV chargers during low-intensity periods, consumers can actively contribute to reducing national emissions.

Plan your power usage wisely:

Tools like Jaxi allow you to monitor real-time carbon intensity, helping you choose the greenest time of day for using electricity. Together, we can ease pressure on the grid, reduce pollution, and support the UK’s transition to clean energy.

Make every kilowatt-hour count. Let’s build a sustainable future—one low-carbon choice at a time.