The UK possesses some of the best offshore wind resources in the world and has established itself as a global leader in the industry. The question is no longer whether offshore wind works, but what role it can realistically play in delivering a secure, affordable, and low-carbon UK energy system.

This lecture examines the UK’s renewable energy options through an engineering and systems perspective, assessing the practical generation potential of offshore wind, floating offshore wind, and solar PV within the constraints of geography, infrastructure, economics, and system operability. It will explore the scale of energy that can credibly be delivered, the opportunities for floating wind in deeper offshore regions, and the complementary role of solar generation in a future highly electrified economy.

The lecture will also address one of the central technical challenges of a renewable-dominated power system: the Dunkelflaute — extended periods of low wind and low solar output. The discussion will examine the engineering solutions available to manage it, including long-duration energy storage, interconnection, dispatchable low-carbon generation, demand flexibility, hydrogen, and strategic system design.

Finally, the lecture will consider the enabling infrastructure required to maximise the value of renewable energy and how this is already reshaping the UK and redefining Scotland's place in the Energy system.