Carbon intensity update for 8th Oct 25

UK Carbon Intensity Update – 8th October 2025

At Jaxi, we’re committed to helping households make smarter, greener energy decisions. By staying informed about daily carbon intensity levels, you can choose the most eco-friendly times to use high-energy appliances — reducing your carbon footprint and supporting the UK’s transition to cleaner power.

Here’s a detailed look at today’s carbon intensity trends across the UK:

• Early Morning Surge: Carbon intensity reached high levels of over 200 gCO₂/kWh between 4:00 AM and 9:30 AM, with the peak hitting 241 gCO₂/kWh at 5:30 AM. This typically reflects higher demand met by fossil-fuel-based generation like coal and gas.
• Midday Moderation: From 12:00 PM to 2:00 PM, there was a noticeable dip to moderate carbon intensity levels. This suggests increased contribution from renewable sources such as wind and solar, offering an ideal window for energy-efficient usage.
• Evening Peaks: Demand and carbon intensity spiked again during the late afternoon and evening hours as people returned home and power consumption rose.
• Lowest Emissions Window: The most sustainable time of day occurred between 10:30 PM and 11:00 PM, when the carbon intensity dropped to just 128 gCO₂/kWh. This is the best period for running energy-intensive appliances like dishwashers or washing machines.

Why It Matters: When electricity demand rises significantly, especially during peak hours, grid operators often rely on backup generators that burn fossil fuels. This increases the UK’s carbon output. By planning your usage around low-carbon periods, you directly contribute to a cleaner power grid and lower CO₂ emissions.

Energy-Saving Tip: Use smart home tools or set timers to operate appliances like tumble dryers, water heaters, and EV chargers during off-peak, low-carbon windows. Every effort adds up — both for your bill and the environment.

For real-time updates on carbon intensity levels throughout the day, keep checking our daily carbon intensity updates. Together, we can make better energy choices for a greener future.

Data sourced from official UK carbon tracking platforms.