Frimley Health NHS Foundation Trust and Ameresco Announce Energy Savings Project

Reading Time: 3 minutes

Wexham Park Hospital will receive highly efficient, reliable power
and over £700,000 in annual energy savings while significantly reducing
the hospital’s carbon emissions

, (NYSE:AMRC), a leading energy
and renewable
company, and Frimley Health NHS Foundation Trust today
announced the completion of a £7.5 million energy infrastructure and
maintenance contract for Wexham Park Hospital, a 588-bed, acute care
hospital serving Slough and the surrounding area of Berkshire. It is one
of the three acute hospitals in the Frimley Health NHS Foundation Trust.

“Our focus is always to ensure the needs of our patients come first, and
this project definitely will afford greater comfort,” said Colin
Mapperley, Director of Estates & Facilities, Frimley Health NHS
Foundation Trust. “The energy infrastructure project with Ameresco
provides a significantly more reliable and efficient heat and hot water
system for the entire hospital and allows us to accommodate the
expansion plans currently underway. In addition, the project development
scheme was specifically designed to make sure we didn’t have any
disruptions in our day-to-day delivery of patient services during
implementation of the project.”

Wexham Park Hospital financed its project with a Salix loan, with
outcomes guaranteed through an energy savings performance contract
(ESPC), which set a maximum implementation cost and guarantees energy
cost savings. Under the ESPC, Ameresco replaced the hospital’s existing
1960s-era steam boilers and distribution system with a high efficiency
gas fired 1.5 MWe Combined Heat and Power (CHP) plant. This includes
installation of three 2.5 MWth dual-fuel low temperature hot water
boilers and extensive LTHW distribution pipework network across the
whole site connecting over 30 individual plantrooms directly to the
energy centre. Construction was completed within 12 months and the
project became operational in December 2018.

The CHP plant displaces 90 percent of grid electricity and provides 75
percent of the hospital’s total heat requirement. Supported by a 15-year
operations and maintenance (O&M) contract, Ameresco will deliver the
hospital £700,000 in annual energy savings over the contract term. The
project is expected to reduce carbon emissions by 1,621 tonnes of CO2
per annum, and new steam generators work toward meeting their autoclave
sterilization requirements.

“We are delighted to partner with Frimley Health NHS Foundation Trust,”
stated Britta MacIntosh, Ameresco’s Vice President of UK operations.
“Our goal has been to deliver a project that will provide the maximum
benefit and value to the hospital and its patients. We are honoured to
support the Trust’s efforts to reduce costs and improve efficiency at
this vital service facility.”

About Wexham Park Hospital

Wexham Park Hospital is a large NHS hospital which provides emergency,
trauma and orthopaedic surgery, plastic and reconstructive surgery,
paediatric, coronary care and maternity services, amongst others, in
Wexham, Berkshire, United Kingdom. For more information visit

About Ameresco, Inc.

Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading independent
provider of comprehensive services, energy efficiency, infrastructure
upgrades, asset sustainability and renewable energy solutions for
businesses and organizations throughout North America and Europe.
Ameresco’s sustainability services include upgrades to a facility’s
energy infrastructure and the development, construction and operation of
renewable energy plants. Ameresco has successfully completed energy
saving, environmentally responsible projects with Federal, state and
local governments, healthcare and educational institutions, housing
authorities, and commercial and industrial customers. With its corporate
headquarters in Framingham, MA, Ameresco has more than 1,000 employees
providing local expertise in the United States, Canada, and the United
Kingdom. For more information,

The announcement of a customer’s entry into, or completion of, a
project contract is not necessarily indicative of the timing or amount
of revenue from such contract, of the company’s overall revenue for any
particular period or of trends in the company’s overall total
construction backlog. This project was reported in contracted backlog as
of March 31, 2019.


Leila Dillon, 508-661-2264,
Taylor, +44 (0)1276 604313,