
Electricity Enquiry Service (EES)
EES
C&C Group powers and operates the Electricity Enquiry Service (EES) for RECCo, delivering a secure, high-availability central platform serving the entire UK electricity market. We ensure robust performance, strict data integrity and resilient 24/7 operations — underpinning trusted, market-wide access to MPAN and address data at national scale.


Case Study – Electricity Enquiry Service (EES)
What It Is
The Electricity Enquiry Service (EES) is a national market platform operated on behalf of RECCo, providing authoritative access to electricity address and MPAN data across the UK. It underpins transparency, switching accuracy and operational integrity within the electricity market, serving suppliers, network operators and industry participants at scale.
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EES is not simply a data lookup tool — it is a critical component of market confidence. Its availability, integrity and performance directly influence the smooth functioning of electricity market processes nationwide.
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C&C Group is responsible for operating, securing and continuously enhancing this central industry platform.
Scalable by Design
C&C Group delivers EES through a secure, cloud-native architecture built for resilience and growth. Designed to handle high query volumes across millions of meter points, the platform maintains consistent performance under peak demand while ensuring rapid response times and uninterrupted service availability.
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High-availability infrastructure, proactive monitoring and performance optimisation are embedded into the operating model. Structured release management and controlled change governance ensure enhancements and regulatory updates are deployed without market disruption.
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The result is a future-ready platform capable of scaling alongside market reform, increased data demand and evolving industry requirements.
E2E Value and Benefits
Our role extends beyond hosting. C&C Group provides complete end-to-end stewardship of EES — from secure infrastructure management and 24/7 operational support to incident management, system optimisation and governance reporting.
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We deliver:
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High availability and resilient performance
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Secure, governed data management
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Proactive issue detection and resolution
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Transparent, compliance-aligned reporting
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Controlled system evolution
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Through disciplined operational oversight and deep electricity market expertise, we ensure EES remains stable, secure and trusted by the entire industry.
Strategic Impact
EES plays a central role in strengthening transparency and operational efficiency across the UK electricity market. By providing reliable access to accurate MPAN and address data, it reduces friction in switching, supports settlement accuracy and enhances regulatory confidence.
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C&C Group’s management of the platform removes operational risk and ensures continuous improvement — enabling RECCo to focus on strategic market leadership rather than day-to-day system concerns.
Outcome for RECCo
Under C&C Group’s stewardship, EES operates as a robust, resilient and high-performing national platform. It delivers secure, scalable and audit-ready services across the electricity market, supporting millions of meter points and thousands of daily interactions.
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RECCo benefits from a trusted technology partner, structured governance, operational excellence and a platform designed to evolve with the future of the UK electricity market.