UK Energy Market Report — 02 August 2026

What we’re watching today

• New GHG conversion factors that will affect corporate carbon reporting.
• Accelerating heat‑pump deployments and their impact on electricity demand.
• The latest domestic energy price indices signalling potential cost pressures.

Headlines and what they mean

Greenhouse gas reporting: conversion factors 2026

The Department for Energy Security and Net Zero (DESNZ) has published the 2026 conversion factors used for greenhouse‑gas reporting. These factors underpin the CO₂e calculations that businesses submit to the UK Emissions Trading Scheme and internal sustainability reporting. Updated values can shift the apparent intensity of fuels, meaning that firms may see their Scope 1 emissions rise or fall purely from methodological changes. Early alignment with the new factors will avoid surprise adjustments in the next reporting cycle and support more accurate carbon‑budget planning. source

Heat pump deployment: June 2026

DESNZ’s latest heat‑pump statistics show a 14 % year‑on‑year increase in installations, with over 250 000 units added in June alone. The rollout is being driven by the Warm Homes Discount and the UK’s net‑zero heat‑decarbonisation roadmap. For commercial buyers, the trend signals a growing electricity load from residential sectors, potentially tightening supply during peak hours. Companies with flexible demand can capture value by shifting consumption to periods of high solar output, now accounting for 40.8 % of the generation mix. source

Energy Consumption in the UK – 2025

The 2025 total final energy consumption dataset reveals a modest 1.2 % decline in primary energy use compared with 2024, driven mainly by lower gas demand and higher renewable generation. While the dip is encouraging for climate targets, the reduction is uneven across sectors; industrial consumption remains flat, whereas commercial electricity use grew 3 % year‑on‑year. This divergence suggests that commercial buyers should scrutinise their own demand profiles and consider demand‑side management to stay ahead of any supply constraints. source

Domestic energy price indices (3 days ago)

DESNZ released the latest monthly domestic energy price indices, showing a 4.3 % rise in electricity tariffs and a 2.8 % rise in gas prices since the previous month. Although the data focus on households, the price signals cascade to the wholesale market and affect commercial contract benchmarks. Buyers should expect upward pressure on spot prices in the coming weeks, especially as the UK moves towards tighter carbon caps. Monitoring the index will help lock in favourable contract terms before further hikes. source

Annual domestic energy bills (3 days ago)

The annual domestic energy price statistics indicate the average household bill reached £1 542 for electricity and £1 098 for gas in the latest year. While households bear the headline, the underlying cost structures—fuel procurement, network charges and carbon levies—are shared across the market. Commercial entities with exposure to the same cost components should anticipate similar bill trajectories and factor them into budgeting and hedging strategies. source

Geopolitics and global markets

Global clean‑energy dynamics are adding layers of complexity to UK wholesale pricing. China’s dual‑track approach—doubling down on clean‑energy investment while still expanding coal capacity—highlights the uneven pace of decarbonisation in a major demand centre, potentially influencing global coal prices and, indirectly, UK carbon‑intensity costs source. In South America, record output from Argentina’s Vaca Muerta shale field has not translated into broader economic gains, underscoring the volatility of supply‑side shocks that can reverberate through LNG markets and affect UK gas pricing source. Meanwhile, analysts warn that the inflexibility of AI‑driven electricity demand, rather than its volume, could strain grids during peak periods, a reminder for UK firms to embed flexibility in their load portfolios source.

The view from the trade desk

The grid forecast shows a carbon intensity of 72 gCO₂/kWh, comfortably in the “low” band. Solar now provides 40.8 % of generation, complemented by imports (20.3 %), nuclear (12.5 %), biomass (9.6 %), gas (9 %) and wind (7.7 %). The dominance of solar, combined with a modest gas share, keeps the carbon signal low but also raises the importance of managing midday peaks and evening ramps. Commercial buyers with flexible demand can exploit periods of high solar output to reduce exposure to higher‑priced gas‑driven intervals.

What to do this week

• Align your Scope 1 carbon accounting with the new 2026 GHG conversion factors to avoid retroactive adjustments.
• Review heat‑pump uptake data and consider demand‑response contracts that shift load to solar‑rich periods.
• Lock in electricity contracts now if your exposure is tied to the domestic price index, which has risen over the past month.
• Explore TUS’s flex‑management platform (150 + GWh under management) to capture value from the low‑intensity, solar‑heavy mix.
• Evaluate renewable PPAs or green tariffs that reference the latest domestic price trends and carbon intensity forecasts.

Bottom line

UK commercial energy buyers face a confluence of regulatory updates, a low‑carbon generation mix and upward pressure on domestic price indices. By integrating the new GHG conversion factors, leveraging demand‑side flexibility, and securing contracts before further price hikes, firms can protect margins while contributing to the net‑zero agenda.