| Region | Green energy workers as a percentage of regional energy employment | Regional energy employment as a percentage of total regional employment |
|---|---|---|
| Scotland | 62% | 8% |
| Yorkshire and the Humber | 35% | 5% |
| East of England | 55% | 4% |
| North West | 28% | 6% |
In 2022, the average lead systems engineer in the offshore wind sector earned £92,000, while a senior nuclear safety specialist earned around £115,000. These salaries contrast sharply with the average annual earnings of all UK workers in full-time employment, which stood at approximately £33,000. Meanwhile, entry-level solar panel installers, many working on local council decarbonisation schemes, often earned close to the National Living Wage, equivalent to around £19,500 over a standard working year. Executives at the largest energy distribution networks commanded compensation packages exceeding £950,000.
According to economic theory, wages are determined by the interaction of the demand for and supply of labour. Price signals are vital in communicating the scarcity of specific technological skillsets. However, differences in pay rates are often persistent because of significant imperfections in the labour market. These include long training requirements, specialized qualification hurdles, and geographical immobility. High search costs and occupational barriers mean that the supply of specialized engineers remains highly inelastic in the short term.
The UK Government has sought to bridge this skills gap through targeted apprenticeships and importing qualified talent via the points-based immigration system. Under this system, certain engineering and scientific roles are placed on a 'Shortage Occupation List', allowing firms to recruit globally to circumvent local supply constraints. This reflects how public policy and global talent mobility intersect to influence domestic wage structures.
Extract E gives examples of wage differentials.
Explain what is meant by the term 'wage differentials' and analyse two reasons, suggested by economic theory, why wage differentials occur.
