Capitol Area System (CAS)

The Capitol Area System

The Capitol Area System (CAS) Management Unit operates the CAS district heating and cooling loop in the Hartford Capitol District which services 15 buildings in the Capitol region, including the Legislative Office Building, the State Office Building, the Supreme Court, as well as non-state entities such as The Bushnell theater, totaling over three million square feet of building space.

CAS provides:

Hot water for space heating
Domestic hot water production
Chilled water for space cooling

See map of CAS loop

What is the CAS

CAS is a district heating and cooling loop that serves both State and private users in the Capitol area.

Meet Gov EO 213

We are looking at several technologies to meet targets as well as considering operational changes that can help buildings reduce demand.

Expansion Plans

Yes, the loop already branching out to Washington Street to add buildings on the end of the loop.

What type of fuel is used at the Plant

The plant currently burns natural gas to produce the heating commodity.

What buildings are part of the CAS?

A total of 16 buildings are currently on the loop.

Whats being done in the near future

The first step is to install high efficiency gas fired hot water boilers to replace the old inefficient steam boilers.