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1 CHP 101 and NYSERDA Programs June 6, 2013 Edward Kear P.E.

CHP 101 and NYSERDA Programs - Supportive …...– Engineering study showing at least 60% AFEU – 30% site design – CESIR determination – Letter from gas utility stating that

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Page 1: CHP 101 and NYSERDA Programs - Supportive …...– Engineering study showing at least 60% AFEU – 30% site design – CESIR determination – Letter from gas utility stating that

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CHP 101 and NYSERDA Programs June 6, 2013

Edward Kear

P.E.

Page 2: CHP 101 and NYSERDA Programs - Supportive …...– Engineering study showing at least 60% AFEU – 30% site design – CESIR determination – Letter from gas utility stating that

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Why CHP?

Electric 

Grid

Boiler

31%

30 units of electricity45 units of heat

98

80%

56

154

Grid + Boiler CHP

100

49% Overall Fuel Utilization 75%

30% electric 

efficiency

Recover 65% of 

waste heat 

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Other Benefits?

A system that runs every day is more  reliable in an emergency than a system 

that only runs when you need it.

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Remember August 2003?• Half of NYC’s 58 hospitals suffered backup 

power failures. (New York Times 8/16/03)

• Generator failures at Verizon office caused  911 gaps. (Daily News 8/17/03)

• Montefiore

Medical Center (NYC) –

site down  for 5 minutes, then fully operational throughout 

using the CHP system

• South Oaks Hospital (Amityville) –

Seamless  transfer to CHP only

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Remember Sandy, Lee and Irene?

• NYU downtown Manhattan campus remained  almost fully operational (Sandy)

• Data centers in lower Manhattan shutdown  due to flooding of oil supply for backup 

generators. (Sandy)• Fonda‐Fultonville

Central School remained 

operational and served as a shelter (Irene)

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Why weren’t the backup gensets reliable?

• Some didn’t start.• Most started, but couldn’t maintain power 

throughout the outage– Equipment failure– Out of fuel

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Other Benefits?

• Societal benefits– Cleaner emissions – NOx, CO2

– Grid voltage support– Reduces need for grid infrastructure upgrade– Demand reduction –

lowers everybody‘s electric bill

– Facilities of refuge (high schools, BOCES, college  campuses, etc)

– Critical infrastructure 

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Things to Consider• Thermal and electric load profiles (daily, 

weekly, yearly)– The best sites are ones with:

• Coincident electric and thermal loads • Year‐round thermal loads

• How large is the electric load that must be  served during grid outages

– This could be the primary driver at some sites• Hospitals• Datacenters

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Thermal Loads• Domestic hot water• Space heating (including re‐heat)• Space cooling (absorption chiller)• Desiccant de‐humidification• Process heating/cooling• Boiler makeup‐water pre‐heat• District heating• Other (sidewalk de‐icing)

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Other Considerations• Electric tariff structure 

• In NYS, the On‐site Generation electric tariff ENCOURAGES  CHP operation Monday – Friday from 8 AM to 10 PM, 

• But the rest of the time electricity might be cheap enough  to justify shutting down the CHP system.

• Special Interconnect requirements• Are synchronous generators allowed?• Minimum import power requirements?

• Fuel Availability

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Reciprocating Internal Combustion Engine  (RICE)

• 1.2kW up to about 5MW• Natural gas or biogas• Induction, synchronous, and inverter available• Low to medium temperature heat – can make 

low pressure steam and hot water• Relatively inexpensive, but require regular 

maintenance

Page 12: CHP 101 and NYSERDA Programs - Supportive …...– Engineering study showing at least 60% AFEU – 30% site design – CESIR determination – Letter from gas utility stating that

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Microturbines• 30kW to 200kW per unit• Inverter based• Slightly lower electric efficiency than RICE, but 

higher temperature heat output (better for  absorption cooling)

• Efficiency decreases with increased ambient air  temperature

• More expensive than RICE but lower  maintenance requirements

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Fuel Cells• Small fuel cells (PEM) can’t do CHP (yet)• Phosphoric acid (400kW) produces medium temperature 

heat –

good for hot water• Molten carbonate (300kW) produces high temperature 

heat • Solid oxide (100kW) can produce high temperature heat• High electric efficiency (~40 ‐

50%)

• Still relatively expensive, but getting better• Quiet, low maintenance and high availability• Like to run flat out – don’t plan on turning them off

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Gas Turbines

• 5 MW and up• High temperature heat recovery (steam)• High electric efficiency (~32%), but does 

decrees with increased inlet air temperature

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http://chp.nyserda.ny.gov

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http://chp.nyserda.org

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Current CHP Programs

Feasibility StudiesTechnical Assistance/FlexTech

(PON 1746)

Demonstration/Deployment Program CHP Acceleration (PON 2568)

Performance ProgramsCHP Performance Program (PON 2701)Fuel Cell Incentive (PON 2157)

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CHP Acceleration Program

• Over $20M available through the end of 2016• Systems from 50kW to 1.3MW (inclusive)• Rebate for installation of approved CHP 

systems by approved vendors• RFI 2568 –

vendor application

• PON 2568 – system installation application

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CHP Acceleration Program

• CHP vendors– Reputable equipment– All major components defined– Single point of responsibility for system design, 

installation design, Min. 5 year warranty – maintenance ‐

service

– Max. 1.6 lbs NOx/MWhr– Generally capable of greater than 60% AFEU

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CHP Acceleration Program• Site Applications Include

– Make and model of CHP system to be installed– Engineering study showing at least 60% AFEU– 30% site design– CESIR determination– Letter from gas utility stating that gas is available– Schedule showing max. of 12 months to 

operation.

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Incentives (Maximum $1.5 Million):

20 ~ 30% Higher Incentive 

for Downstate

10% Bonus for Facility of  Refuge

10% Bonus for Con Edison 

Targeted Zone

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CHP Performance Program• Larger than 1.3 MW• Engineering study demonstrating system meets site 

needs and program requirements• Performance based

– Base Incentives for KWh & peak KW• Performance criteria

– Fuel Conversion Efficiency– Exhaust emissions

• 2‐Yr M&V Requirement

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CHP Performance Program

• Offer greater potential value to the distribution  system

• Operate at higher overall efficiency levels• Are located at critical infrastructure, including 

facilities of refuge

Bonus Incentives for projects that:

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Contacts 518 862‐1090

• CHP Acceleration (PON 2568) Edward Kear

x3269 [email protected]

• CHP Performance Program (PON 2701)Jim Hastings x3492 [email protected]

• Fuel Cell (PON 2157)Scott Larsen x3208 [email protected]

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Questions?