Tackling NOx from CHPs

Policies encouraging gas-fired CHPs in London are going into reverse. David Blackman looks at how new air pollution policies will affect the future of heat in the capital

On the right track: services retrofit saves TfL’s Palestra £400,000

Like most large offices, TfL’s Palestra building is complex. To realise its true potential, it underwent significant interventions resulting in £400,000 of energy savings. Andy Pearson explains how an energy performance contract made the building 6% better than good practice

Why gas CHP still measures up

Despite the rapid decarbonisation of the UK electricity grid and lower wholesale prices, properly sized combined heat and power with thermal storage still offers an economic, lower-carbon energy option, explains director of Carbon Alternatives Martin Crane

National Gallery of Ireland’s hidden services

Refurbishment of the National Gallery of Ireland required tight environmental control in the galleries, but there was minimal space to make this happen, writes Chris Croly

Why SBEM and SAP penalise CHP

Carbon emissions methodologies should use the marginal carbon-emission factor, says ADE’s Hanaé Chauvaud de Rochefort

Greenwich hotel opens door to district heating

The InterContinental Hotel at the O2 was linked to the local heat network after designers convinced the developer of its resilience. Phil Lattimore describes Aecom’s low-carbon strategy