Jurisdiction(s):
United Kingdom

Key definition

risk definition

What does risk mean? In legal practice, risk describes the possibility that a reasonably foreseeable circumstance or event could adversely affect legal rights, regulatory compliance, business operations, or the security of systems and data. The term is widely used across legal contexts, with certain regimes articulating it expressly. Cybersecurity: In the EU NIS2 framework (as transposed in Ireland), risk means any reasonably identifiable circumstance or event having a potentially adverse effect on the security of network and information systems. In the UK, the Network and Information Systems Regulations 2018 adopt a comparable risk‑based approach to security and incident handling; while “risk” is not defined as...

Onshore wind projects: turbine technology, site feasibility, planning constraints, grid connection and economics

Published by a LexisNexis Energy expert

Practice notes

For additional hands-on guidance on key legal matters in the wind sector, also consult the textbook Wind: Projects and Transactions.

What is onshore wind?

Onshore wind describes turbines sited on land. These machines convert the kinetic energy of moving air (wind) into electrical power. In essence, they turn wind energy into electrical generation. The configuration and height of each turbine influence output.

Wind turbines components

Turbines use blades that spin about a hub linked to the nacelle at the top of a steel tower, high above the ground. Most feature three blades rotating about a horizontal axis. Two‑bladed variants exist, generally at smaller scale. Horizontal‑axis machines account for most of the sector; they extract more electricity from a given wind resource, though they are less effective in turbulent conditions that can reduce performance. Figure 1—an example of horizontal‑axis turbines (source: WSP). Vertical‑axis designs benefit from rotational symmetry, allowing operation with wind from all 360 degrees. The tower (or mast) is also a critical component of a wind turbine system. Greater height typically increases output by placing the blades where airflow is stronger and more dependable, enhancing reliability and yield. The tower, or mast, supports these components...

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Web page updated on 21/05/2026

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