
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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Cornwall Insight Issues Response to Ofgem’s Call for Input on TPI Market
With legislation now in development for Ofgem to directly regulate Energy third party intermediaries (TPIs), the regulator’s recent Call for Input marks the first step in designing that framework. This…
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What Are Power Purchase Agreements (PPAs) and Why Are They So Popular?
Power Purchase Agreements (PPAs) sit at the heart of the GB energy market, yet they aren’t always well understood. Our blog offers a clear, practical guide to what PPAs are,…
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Too Much of a Good Thing? The Rise of Negative Energy Prices
Negative pricing is on the rise, driven by the rapid growth of renewables on the grid. As generation increases, so does competition, and in some cases, it has become cost-effective…
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Energy Spectrum at 1,000: The Milestones That Shaped Great Britain’s Energy Market – Part 2
Part 2 of 2: When the System was Tested and How it is Being Rebuilt
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What is the GB Energy Market and Who are the Key Participants?
The GB energy market powers millions of homes and businesses, yet many people working in the sector only see one part of how it operates. With ongoing market reform, a…
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Energy Spectrum at 1,000: The Milestones That Shaped Great Britain’s Energy Market – Part 1
Part 1 of 2: Great Britain’s Journey to a New Energy System
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