
Energy Supply Market Intelligence
Data and intelligence covering energy suppliers and third-party intermediaries, including proprietary market share data, pricing analysis and financial information. This helps energy suppliers understand the competitive landscape, navigate risks, identify opportunities, and make informed strategic decisions.

Supplier Insight Service
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Data-driven market intelligence on every licensed B2C & B2B energy suppliers through our essential energy supplier index. Timely updates powered by our proprietary data include market share changes, customer switching and pricing trends, giving you the commercial confidence to maintain a competitive advantage.

Market Share Comparison, Domestic Tariff Report and SME Pricing
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Interactive data detailing supplier market share across consumption segments and contract types. Comprehensive domestic tariff data and structures across payment methods, and supply types. Detailed SME pricing data from multiple business suppliers. These datasets provide a comprehensive view of market dynamics and help you benchmark against the competition.

TPI Market Report and Satisfaction Survey
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Our TPI sector research includes market sizing based on proprietary business market data, analysis of average commissions and detailed research on over 100 key TPIs. Monitor how TPIs regard energy supplier products and services, and trends over more than a decade of research.
Stay Ahead in the GB Energy Supply Market
Navigating the complex and competitive energy supply market in Great Britain is more critical than ever. Whether you’re operating in domestic or non-domestic markets, having the right intelligence is key to building effective, future-proof strategies.

Benchmark Your Position With Confidence to Support Long-Term Company Vision and Roadmaps
Actionable intelligence in an easy to use, digital platform, supporting risk management, investment planning, and long-term strategy, with a complete view of the competitor landscape.
Align Your Strategy With Emerging Trends and Influence Key Stakeholders With Certainty
Cornwall Insight is the trusted, independent leader in energy market insight, so you can be confident our insight and data will ensure strategic readiness. Our regular webinars and events give you the opportunity to ask any questions you may have, with direct access to our expert analysts.


Direct Access to Regulatory Experts Through Our Regular Forums
Through regular reports, data, and analysis, understand supplier and TPI relationships, who is serving the sector well and why they are succeeding, to inform your own strategy.
Access Your Energy Solutions Via CATALYST
CATALYST is our fully integrated online portal exclusive to Cornwall Insight customers. It offers seamless access to all of Cornwall Insight’s subscription services in a single easy-to-use interface
Essential Products to Support Your Energy Supply Market Intelligence Service
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Energy Supply Forecasts
Discover more: Energy Supply ForecastsDetailed forecasting of non-commodity costs including network charges and policy levies via quarterly in-depth modelling and API delivery to support supplier budgeting, tariff setting and risk strategies
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Energy Supply Regulation
Discover more: Energy Supply RegulationAnalysis of code modifications, consultations, and policy changes in the GB energy market, distilling complex regulation and licence conditions into actionable insights, supporting compliance, and keeping suppliers ahead of market rule changes.
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Industry Essentials GB
Discover more: Industry Essentials GBDetailed analysis on key industry topics, easily digestible and daily consolidated news, as well as an in-depth outlook for wholesale power and gas within the GB energy market and international commodity markets.
Latest Insights and Market Updates
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MHHS: Competitive Advantage or Compliance Burden for GB Suppliers?
How suppliers can turn MHHS from a compliance obligation into a source of competitive advantage.
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Breaking the Link: Inside the Government’s New Gas and Power Price Plans
The Government announced it will introduce measures to decrease the pressure that gas exerts on the electricity price in GB. What could this mean for the GB energy market?
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One Month On: How the Middle East Conflict Reshaped Global Energy Markets
Just over a month since the conflict in the Middle East began, its impact is being felt across global energy markets. Cornwall Insight analyst Alex Livingston explores how a series…
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Middle East Conflict and its Impact on Household Energy Tariffs
Rising political tensions in the Middle East have begun to influence the domestic retail energy market, with suppliers adjusting tariff offerings and withdrawing some fixed deals. While wholesale volatility has…
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What is Driving Multi-Year Low Capacity Market Prices?
The latest round of the Capacity Market auctions took place in the first two weeks of March 2026, with both T-1 and T-4 auctions seeing multi-year low clearing prices. In…
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Iran and the Potential Gas Crisis – Impacts to Ireland
The past three weeks have seen escalating conflict in the Middle East. While the human consequences will rightly remain the primary global focus, the repercussions are being felt in international…
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