Sudmeadow Power Station

Green Frog Utilities was awarded a contract, in September 2016, to project manage gas infrastructure delivery on behalf of Viridis Power Ltd, one of the UKs leading providers of gas powered ‘peaking’ generation plant.

This contract notably included project managing the successful delivery of all gas infrastructure associated with Viridis Power Ltd first gas-powered generation plant connected to the Local Transmission Network (“LTS”), operating at 34bar. The work content included installing a new HP ‘hot-tap’ connection, 450m of welded HP steel service pipe, a new HP/MP PRI and meter installation with associated boiler package and outlet installation pipework consisting of >100m of 315mm PE, 27 branch connections and 27 bespoke welded steel gas trains.

This was a very challenging project, with numerous contractors and stakeholders to co-ordinate, however, Green Frog Utilities was able to deliver the project on programme and under budget, saving the client in excess of £70k through effective planning and co-ordination.


Sudmeadow Power Station


Viridis Power Ltd

Duration of project

5 Months – October 2016 to February 2017

Contract value

Circa. £1,000,000

Green Frog Utilities’ responsibilities included:

  • Stakeholder liaison, engagement, and management
  • On-site co-ordination, works management and supervisory duties including construction audits to ensure works are carried out in accordance with prescribed and agreed standards and is fully compliant with all relevant policies and procedures
  • Technical guidance, advice and review of best practices, working procedures, method statements and risk assessments
  • Contract management, ensuring best value solutions for Viridis Power Ltd
  • Completion of client site hand over documentation

Key Achievements

  • A challenging project with a large number of stakeholders delivered in line with programme and under budget
  • Zero accidents or lost time injuries
  • Zero HSE&Q non-conformities

Other Projects


Viridis Power – Phase 3

Connection, Construction, Design Services, Metering Services,

More details

Performing under pressure.