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Evangelische Diakonissenanstalt Hospital Augsburg

When the time came to update and renovate the Evangelische Diakonissenanstalt Hospital in Augsburg, Germany, two high- pressure natural gas Capstone C65 MicroTurbines® fit the bill for the highly efficient combined heat and power (CHP) system at the 135- bed facility.

Located near Munich in south-west Bavaria, this landmark is a church sponsored diaconal institute. The hospital is part of a large medical campus that includes a nursing school, assisted living home, vocational school for nursing, conference center with hotel, and, an academy for both social and medical training. The hospital employs 250 people in six specialties, serving about 10,000 patients annually.

“The production of steam is very important to us since we use steam entirely for our central sterilization as well as for our main kitchen,” explained Jörn Schattschneider, Technical Engineer for Evangelische Diakonissenanstalt Hospital.

“We researched several options to produce steam, and came to the conclusion that the conventional steam production alone was about 60 percent less efficient than the production of steam and energy would be with the Capstone microturbines,” Schattschneider said. “That’s why we decided to go with the Capstone technology.”

Capstone microturbine systems conserve energy and cut operational costs by creating two forms of energy: electricity and heat.

The reliable CHP system achieves more than 80 percent efficiency. The system’s exhaust heat produces steam for the hospital kitchen and sterilization, while thermal power is fed through the entire medical campus and creates warm water used for wintertime facility heating and showers in the summer.

At a glance


Augsburg, Germany


June 2010


Natural Gas


• Two 65kW Capstone microturbines con gured in a CHP application.

• 3,000 MBTU/hr Heat Exchanger.


• Evangelische Diakonissenanstalt Hospital, part of a large church sponsored medical campus, located in south-west Bavaria in the city of Augsburg, Germany.


• The reliable CHP system achieves more than 80 percent ef ciency.

• CHP system produces about 800,000kW- hours of energy annually.

• Each year the system saves the hospital about €130,000 in energy costs.

• Exhaust heat produces steam for kitchen and sterilization, and thermal power creates warm water used for wintertime facility heating.

• Heat exchanger produces heat in two stages, producing hot water that is 180°C (356°F) and carries 15-bar pressure, and regular water at 90/60°C (194/140°F).

• Reduced maintenance costs.

• Installation of the Capstone microturbines

is equivalent to removing 700 cars from the road or planting 730 acres of forest.

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