T E C H N I C A L   S P E C I F I C A T I O N S
	Packaged Cogeneration Systems
	60 Hz Models (a)
	Empowering Your World
	SPECIFICATIONS				Hess 140	Hess 200	Hess 250	(b)              Hess 350	(b)
	Electric Output (kW)				140	200	255	350
	Cogeneration Thermal Output
	Thermal Output (BTU per hour)				670,000	978,000	1,300,000	1,680,000
	Min. Water Flow Rate (gpm)				50	60	90	184
	Max. Water Output Temperature (°F) (c)				210	210	210	210
	Lean Burn (d)
	Fuel Consumption (SCFM)				24.2	33.7	TBD	TBD
	Fuel Consumption (Therms per hour)				13.3	18.6	TBD	TBD
	Electrical Heat Rate (BTU per kWh)				9,530	10,200	TBD	TBD
	Electrical Efficiency				#NAME?	36%	TBD	TBD
	Thermal Efficiency				50%	52%	TBD	TBD
	Combined Efficiency				#NAME?	88%	TBD	TBD
	Rich Burn (d) (e)
	Fuel Consumption (SCFM)				24.8	37.0	47.2	64.8
	Fuel Consumption (Therms per hour)				13.7	20.4	26.1	35.8
	Electrical Heat Rate (BTU per kWh) (f)				9,780	10,200	10,220	10,220
	Electrical Efficiency				#NAME?	33%	#NAME?	#NAME?
	Thermal Efficiency				49%	48%	50%	47%
	Combined Efficiency				#NAME?	81%	#NAME?	#NAME?
	Environmental (e)
	NOx (grams per bhp·hr)				< 0.15	< 0.15	< 0.15	< 0.15
	NOx (ppm)				< 9	< 9	< 9	< 9
	CO (grams per bhp·hr)				< 0.15	< 0.15	< 0.15	< 0.15
	CO (ppm)				< 84	< 84	< 84	< 84
	Noise (dba at 15 feet)				< 69	< 69	< 69	< 69
	Min Gas Pressure (inches / psi)				7 / 0.25	7 / 0.25	7 / 0.25	7 / 0.25
	Package
	Dimensions (L x W x H)				8' x 4' x 5.8'	8' x 4' x 5.8'	10.2' x 5' x 6.5'	10.2' x 5' x 6.5'
	Weight (lbs.)				4,200	5,000	9,000	TBD
	Generator
	Type			Single bearing, direct coupled, continuous
	Voltage			208/240 or 460/480, 3-Phase, 1800 rpm, 60 Hz (a)
	Power Factor			Synchronous: variable from 0.8 lagging to 0.8 leading; Inductive: 0.96 FL
	Notes
	(a) 50 Hz, 1500 rpm models available
	(b) Hess 250 and Hess 350 units Lean Burn ratings TBD
	(c) Low pressure steam option available
	(d) Using 920 BTU/SCF LHV natural gas
	(e) Rich burn using optional SCAQMD compliant emmission technology (not required in all jurisdictions)
	(f)  Heat rate assumes exhaust back pressure of 23.6 inches for the 140 & 200 series and 31 inches for the 250 & 350 series
	Hess Microgen reserves the right to change specifications without notice
	Hess Microgen | 12 Industrial Parkway, Unit B1 | Carson City, NV 89706 USA										· · · ·
	1-800-91-COGEN | (775) 884-1000 | (775) 884-3417 fax
	www.hessmicrogen.com | info@hessmicrogen.com
								8/12/01
	ABOUT HESS MICROGEN
	Hess Microgen is a pioneer in the packaged cogeneration industry.  Our commitment to developing and using only the best available technology has resulted in products and systems that lead the industry in innovation, reliability, efficiency, power quality, and environmental friendliness.  Extensive onsite cogeneration experience results in proven techniques to integrate our systems into a wide range of applications, without interruption or disturbance to your business or your customers.  Hess Microgen is proud to be part of the Amerada Hess Corporation, the leading independent energy company, with 70 years of commitment to customer service and over US$10 billion in assets.  We encourage you to contact Hess Microgen or your local distributor to learn how we can empower your world.
	FEATURES
		Reliable – Our continuous duty units utilize industrial engines, generators, and auxiliary equipment designed to provide prime power around the clock and across the calendar as desired				Thermal Heat – Our cogeneration units are designed for maximum heat recovery, ensuring plenty of thermal energy for applications such as domestic hot water, heating, etc.
		High Efficiency – Our generating platform is recognized as being an industry leader in efficiency, ensuring that the maximum amount of fuel energy is converted into useful power				Absorption Chilling – Our systems are designed to easily integrate with our full line of absorption chillers in order to effectively deliver chilled water or brine for cooling applications
		Environmentally Friendly – We take pride in helping make the air cleaner.  Our low NOx systems exceed the most stringent air quality standards anywhere in the world				Remote Control – Accessible remotely and securely by PC, onboard microprocessor-based control systems assure high levels of performance, availability, and protection
		Economical – The combination of operating efficiency and low installed cost ensures that cogeneration is financially attractive. Our Value Share option eliminates out-of-pocket costs				Parallel / Isolated – Our units can run with or without interconnection to the utility grid.  Synchronous generator-equipped units can provide emergency power during an outage
		Quality Power – Today's high technologies require clean, high-quality power.  Our onsite power generation systems can improve your power quality				All World – Hess Microgen units work anywhere in the world and are available in both 60 Hz and 50 Hz models, and in both high- and low-voltage outputs
		Quiet Operation – Rotating at only 1800 rpm (1500 rpm at 50 Hz) and utilizing sound attenuation, our units will not disrupt your business, your customers, or your neighbors				Fuel Flexibility – Fuel options ranging from the standard natural gas to propane, CNG, LNG, LPG, biogas, digester gas, etc., increase flexibility.  A diesel option is also available