Case studies

"There's a good range of Risk and Compliance materials, checklists and outline frameworks in one place. I think that's the difference. Everything's much more searchable, it cuts time and we can find what we really want."

Southampton FC

Access all 9 documents on Interconnection

GET ACCESS NOW

GLOSSARY

Interconnection definition

What does Interconnection mean?

The linking (whether directly or indirectly by physical or logical means, or by a combination of physical or logical means) of one Public Electronic Communications Network to another for the purpose of enabling the persons using one of them to be able:

(a) to communicate with users of the other one; or

(b) to make use of services provided by means of the other one (whether by the provider of that Network or by another person).

Speed up all aspects of your legal work with tools that help you to work faster and smarter. Win cases, close deals and grow your business–all whilst saving time and reducing risk.

EU electricity system—wholesale markets

EU electricity system—wholesale markets Structure of the EU electricity system Rules governing the EU electricity system cover the regulation of both: • the physical infrastructure for electricity generation, transport, and use (referred to as either the electricity network or grid), and • electricity markets (ie the flow of money) ‘Electricity markets’, as defined in the Electricity Directive (Directive (EU) 2019/944), are markets for electricity, including over-the-counter markets and electricity exchanges, markets for the trading of energy, capacity, balancing and ancillary services in all timeframes, including forward, day-ahead and intraday markets. The EU electricity market is divided as follows: • wholesale or production markets comprising the flow of electricity and underlying transactions between generators and retailers, and • retail markets for the supply of electricity to final consumers The electricity generated at a power plant is frequently bought and sold a number of times in the wholesale market, often by means of a power or energy exchange, before reaching the final consumer. Natural gas is traded in a similar manner. Currently,...

EU electricity system—flexibility measures

EU electricity system—flexibility measures Structure of the EU electricity system Rules governing the EU electricity system cover the regulation of both: • the physical infrastructure for electricity generation, transport, and use (referred to as either the electricity network or grid), and • electricity markets (ie the flow of money) Electricity flows through the EU electricity network broadly as follows: • Generation—the production of electricity using, for example, fossil fuels, solar, wind, nuclear, or geothermal sources • Transport—the movement of electricity through the network (or grid). The transport system is typically subdivided as follows: ◦ Transmission—the long-distance transport of electricity on the extra high-voltage and high-voltage interconnected system with a view to its delivery to final customers or to distributors ◦ Distribution—the transport of electricity from the transmission networks and distribution of that electricity to consumers. Electricity from smaller renewable sources, such as solar and wind, is generally fed into the distribution networks • Supply—the sale (including resale) of electricity to wholesale customers (who purchase electricity for the purposes of resale)...

Discover our 7 Practice Notes on Interconnection

ACER to decide on methodology for national flexibility needs assessments

The European Agency for the Cooperation of Energy Regulators (ACER) has received a joint proposal from the European Network of Transmission System Operators for Electricity (ENTSO-E) and European Distribution System Operators Entity (EU DSO Entity) on 16 April 2025, defining the methodology for the assessment of flexibility needs within national electricity systems. ACER must now either approve the proposal or amend the methodology within three months (in consultation with relevant stakeholders).

News Analysis: Ofgem approves TMO4+ grid connection reforms package

Energy analysis: On 15 April 2025, Ofgem approved the package of grid connection reforms put forward by the National Energy System Operator (NESO) to overhaul the process for obtaining connections to Great Britain (GB)’s electricity transmission and distribution networks. The approved reforms, collectively termed ‘TMO4+’, mark one of the biggest shake ups to the GB grid connections process since its inception and will have significant consequences for electricity generation, storage and demand projects seeking to connect to GB’s electricity networks, both now and in the future. The Lexis+ Energy team provides a high-level summary of the reforms and considers the next steps for implementation.

Read the latest 2 News articles on Interconnection