Energy
| General Enquiries | Maria Laffey |
| Energy Consulting | David Wilson (general enquiries) |
| Economic studies | Richard Butlin |
| Management, reform, regulation and valuation | Graham Evans |
| Network planning | Katherine Jackson |
| Sustainable energy developments | Ian Burdon |
| Power Generation | Colin Gallantine (general enquiries) |
| Biomass | Mark Denny |
| Diesel | David Bingham |
| Combined heat & power | Dominic Bowers |
| Emissions testing | Dave Horner |
| Energy from waste | Ian Burdon |
| Environmental permitting | Richard Wearmouth |
| Geothermal | Colin Gallantine |
| Hydro | Colin Gallantine |
| IPPs | Mike Wheeler |
| Open/combined cycle | Mike Wheeler |
| Plant assessment | Dave Roberts |
| Plant performance | Dave Horner |
| Wind | Mark Denny |
| Power Networks | David Wilson (general enquiries) |
| Overhead lines, substations, cables, protection & control | Fred Carr |
| SCADA/DMS/EMS and telecommunications | Mike Feasey |
| Nuclear | Alistair Smith |
| Quality Services | Len Robinson |
| Energy Solutions | Dominic Bowers |
| Mining | David O'Neill |