Great Britain Electricity Prices: spot and hourly market dynamics
Great Britain electricity prices are driven by wind output, gas and CO2 costs, and interconnector flows. Offshore wind can create extended low-price periods, while winter demand spikes and low wind lead to sharp price moves.
Great Britain electricity spot prices data
If you are looking for electricity prices in Great Britain, this page is designed to give you a clean, analysis-ready Great Britain electricity spot price dataset.
Great Britain trades in the EPEX Spot day-ahead and intraday markets. For trading analytics, forecasting models, asset capture studies, or market dashboards, consistent GB power price time series are non-negotiable.
Use Axion to work with Great Britain power prices faster:
Standardized, consistent time series suited for modeling and reporting.
Built for workflows like Python, BI tools, and quantitative analysis.
Clear navigation to related drivers like demand, generation mix, outages, and flows.
Price dynamics to watch
Wind output is the dominant driver of daily price swings and low-price hours.
Gas and CO2 prices set the marginal cost in low-wind conditions.
Interconnector flows with France, the Netherlands, Belgium, Norway, and Ireland can tighten or loosen the system.
Negative price hours appear during periods of very high wind and low demand.
Demand peaks in winter evenings often create sharp price spikes.
Monthly structure: seasonality in Great Britain electricity spot prices
Great Britain spot prices often show stronger winter peaks:
Higher-price regimes tend to appear during winter due to higher demand and tighter system conditions.
Lower-price regimes are more common in spring and autumn, when wind output can be strong.
In practice, spring months can see sharp price drops when wind output is high and demand is mild, while summer can exhibit midday solar-driven lows and evening ramps.
Hourly structure: the Great Britain spot price shape
At an hourly level, Great Britain commonly exhibits:
A morning ramp and a pronounced evening peak, aligned with residential demand and wind output swings.
Lower-price hours during the night and the midday solar window.
Offshore wind variability can create large intraday spreads, while low-wind conditions increase dependence on gas and imports.
Core drivers of Great Britain electricity spot prices
Renewables: wind and solar
Great Britain's renewable build-out is a major structural driver of spot prices. Wind output introduces large daily swings, while solar concentrates generation in daylight hours.
Practical implications:
Wind can introduce meaningful day-to-day volatility with large swings in output.
Solar intensifies midday price compression and cannibalization dynamics.
Low renewable output elevates the role of gas and imports in price setting.
If you want to explain price outcomes rather than only observe them, pair prices with generation mix and weather indicators.
Gas and CO2-sensitive thermal setting
During low renewable periods, gas often becomes decisive for marginal price formation. In those hours, the price signal becomes more sensitive to fuel and emissions prices.
Gas input costs.
Emissions cost assumptions.
System tightness and scarcity conditions.
Interconnections
Great Britain is strongly interconnected with France, the Netherlands, Belgium, Norway, and Ireland.
Generally a net importer to mainland europe but net exporter and critical for Ireland.
Congestion can open spreads during tight periods, especially when wind output is low.
What to monitor if you trade, model, or invest in Great Britain power prices
If you want your Great Britain electricity price dataset to translate into actionable insight, track these alongside spot prices:
Wind output forecasts and curtailment indicators.
Gas and CO2 price trends in scarcity hours.
Frequency of zero and negative price hours.
Demand anomalies such as cold snaps and heatwaves.
Interconnection congestion and cross-border spreads.
Storage availability and charging patterns.
Why high-quality Great Britain electricity price data matters
Great Britain is increasingly characterized by:
A large and growing offshore wind fleet driving volatility and low-price hours.
Material exposure to gas and CO2 prices during low-wind periods.
Deep interconnection with neighboring markets that transmits regional conditions.
This combination makes Great Britain a market where signal quality depends heavily on data quality: correct timestamps (GMT/BST), daylight-saving handling, consistent units, and reliable history. Axion reduces data friction so your team can spend time on analysis rather than cleaning, reconciling, and reformatting.
Great Britain Electricity Spot prices
Daily Great Britain electricity day-ahead dataset (CSV)
Download a clean CSV time series for analysis, reporting, and forecasting. The dataset covers January 2020 to December 2025 with daily resolution. If you need power prices datasets with different granularity, areas or need more fundamentals such as the generation mix for Great Britain, see Data Access.
Do you need more data on the Great Britain power market?
This page provides a public summary. Additional access to hourly generation, prices, or demand is available on the Axion Insights platform, supporting extended time ranges, custom granularities, and export.
Quarter-hourly generation mix by technology
Coverage across European power markets and natural gas datasets
Exports (CSV) and API access
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