The State of CHP: Maine - Department of Energy

The State of CHP: Maine

Capacity (MW)

The information in this document provides a general overview of the state of combined heat and power (CHP) in Maine, with data on current installations, technical potential, and economics for CHP. For help with questions about

specific CHP opportunities in Maine, please consult with the Northeast CHP Technical Assistance Partnership.

Installed CHP

CHP Technical Potential

CHP Economics

CHP Partners

Maine Installed Base of CHP

U.S. DOE Combined Heat and Power Installation Database

Sector

Industrial Commercial/Institutional Other Total

Installations

19 19 0 38

Capacity (MW) 906 26 0 933

The Northeast CHP Technical Assistance Partnership has compiled information on certain illustrative CHP projects in Maine. You can access these by visiting the Department of

Energy's CHP Project Profiles Database.

Maine CHP by Application

891

900

18

750

15

12

600

12

Number of Sites

450

9

7

300 4

56

150

2

2

3 245 MW

16

3

1

1

1

1

5

11 0.2

5

0.3 0.5 0.4

0

0

Maine CHP Capacity (MW) by Fuel Type

79 MW

20 MW 31 MW 85 MW

Biomass

Coal

Natural Gas Oil

Waste

Wood

Capacity (MW) Sites Source: DOE CHP Installation Database (U.S. installations as of Dec. 31, 2016)

Oil: 4 MW

Other

469 MW

Source: DOE CHP Installation Database (U.S. installations as of Dec. 31, 2016)

Maine CHP by Size Range

1,000 800

9 8

7

875 9

10

8

600

6

4

400

4

200

1

2

0.01

2

4

15

37

0

0

20 MW

Application

Sites MW Sites MW Sites MW Sites MW Sites MW

Paper Chemicals Lumber and Wood Food Processing Textiles Other Industrial Total

5

1

2

1

18

3

4

3

101

17

10

7

50

8

10

8

18

4

4

3

9

21

1

7

1

30

7

12

3

30

0

0

8

19

0

0

0

0

7

12

0

0

0

0

6

15

0

0

0

0

48

7

4

3

3

10

1

7

0

0

240

41

34

25

40

88

5

43

1

30

Source: U.S. Department of Energy, Combined Heat and Power (CHP) Technical Potential in the United States, March 2016.

Total

Total Sites

Total MW

18

60

32

47

119

43

67

29

28

22

56

27

320

228

Number of Sites

Capacity (MW)

Maine Technical Potential (MW) for Commercial/Institutional CHP Applications

100 89

90

411

80

70

60

51

50

40

30

20

10

33

0

25 41

102 16

15 65

87 12

87 11

10 56

71 9

500 450 400 350 300 250 200 28 112 150 100 50 0

Capacity (MW) Sites Source: U.S. Department of Energy, Combined Heat and Power (CHP) Technical Potential in the United States, March 2016.

Technical Potential by CHP Size Range for Top Five Commercial/Institutional Sectors

50-500 kW

0.5 - 1 MW

1 - 5 MW

5 - 20 MW

>20 MW

Application

Sites MW Sites MW Sites MW Sites MW Sites MW

Commercial Buildings

242

12

121

48

48

29

0

0

0

0

College/Univ.

18

3

4

3

8

19

3

25

0

0

Hospitals

24

6

9

6

8

14

0

0

0

0

Hotels

96

12

5

3

1

1

0

0

0

0

Food Stores

64

14

1

1

0

0

0

0

0

0

Other Comm./Inst.

388

43

17

11

6

10

1

5

0

0

Total

832

90

157

72

71

73

4

31

0

0

Source: U.S. Department of Energy, Combined Heat and Power (CHP) Technical Potential in the United States, March 2016.

Total

Total Sites

411 33 41 102 65 413

1,065

Total MW

89 51 25 16 15 70 266

Combined Heat and Power (CHP) ? sometimes referred to as cogeneration ? is an efficient and clean approach

to generating on-site electric power and useful thermal energy from a single fuel source.

The State of CHP: Maine

The information in this document provides a general overview of the state of combined heat and power (CHP) in Maine, with data on current installations, technical potential, and economics for CHP. For help with questions about

specific CHP opportunities in Maine, please consult with the Northeast CHP Technical Assistance Partnership.

Installed CHP

CHP Technical Potential

CHP Economics

Maine CHP Economics

CHP Partners

The most important indicators for CHP economics are electricity and gas prices. For most potential CHP installations, natural gas and electricity rates for host facilities will fall within the range of average commercial

and industrial prices. Lower energy prices may be possible for large CHP applications.

Maine Natural Gas Prices

Maine Average Gas Prices - 2016

Sector

Citygate* Industrial Commercial

ME Price ($/MMBtu)

5.57 7.05 10.22

U.S. Price ($/MMBtu)

3.75 3.39 7.22

Source: U.S. Energy Information Administration, "Natural Gas Prices",

The EIA industrial natural gas price is a full tariff rate, and most large consumers are purchasing gas commodities from marketers at a lower rate.

$/MMBtu

Maine Average Natural Gas Prices - 2011-2016

$16.00

$14.00

$12.00

$10.00

$8.00

$6.00

$4.00

$2.00

$0.00

2011

2012

2013

2014

2015

2016

Citygate

Industrial

Commercial

Maine Electricity Prices

Maine Average Electricity Prices - 2016

Sector

Industrial Commercial

ME Price (?/kWh)

5.73 9.85

U.S. Price (?/kWh) 6.75 10.37

Source: U.S. Energy Information Administration, "Electricity Data Browser",

Electricity rates can vary greatly by utility and facility size range. The rates below from EIA represent general averages; individual facility rates may vary.

?/kWh

Maine Average Electricity Prices - 2011-2016

14

12

10

8

6

4

2

0

2011

2012

2013

2014

2015

2016

Industrial

Commercial

Maine Average Delivered Electricity Prices by Utility

Utility Fox Islands Electric Coop Eastern Maine Electric Town of Madison Kennebunk Light & Power Emera Maine Houlton Water Company Central Maine Power Co

Industrial Price

(?/kWh) -

13.69 11.39 12.46 10.52 10.60 9.16

Commercial Price

(?/kWh) 23.08 15.22 14.19 12.22 13.05 11.43 11.77

Average Price** (?/kWh) 23.08 14.45 12.79 12.34 11.79 11.02 10.46

Source: U.S. Energy Information Administration, "Annual retail price of electricity by utility",

Maine Electricity Prices ? Heat Map

*Citygate is a point or measuring station at which a distributing gas utility receives gas from a NG pipeline company or transmission system.

**Average of commercial and industrial electricity prices as reported by EIA.

Central Maine Power Co Emera Maine / Houlton Water Company Town of Madison / Kennebunk Light & Power Eastern Maine Electric Fox Islands Electric Coop No utility information

Combined Heat and Power (CHP) ? sometimes referred to as cogeneration ? is an efficient and clean approach

to generating on-site electric power and useful thermal energy from a single fuel source.

The State of CHP: Maine

The information in this document provides a general overview of the state of combined heat and power (CHP) in Maine, with data on current installations, technical potential, and economics for CHP. For help with questions about

specific CHP opportunities in Maine, please consult with the Northeast CHP Technical Assistance Partnership.

Installed CHP

CHP Technical Potential

CHP Economics

CCHHPPEPcoanrtonmericss

Department of Energy CHP Partnerships

Northeast CHP Technical Assistance Partnership

Northeast CHP TAP Directors: Tom Bourgeois / Beka Kosanovic Phone: 914-422-4013 / 413-545-0684

Email: tbourgeois@law.pace.edu / kosanovi@ecs.umass.edu

CHP for Resiliency Accelerator

The U.S. DOE is collaborating with a group of cities, states, and utilities who are actively pursuing CHP as a consideration in resiliency planning for critical infrastructure in their jurisdictions. This has included defining resiliency, identifying critical infrastructure, and assessing CHP opportunities. This process is being documented in a Resiliency Planning Tool. For more information: CHP for Resiliency Accelerator Website.

? Currently, there are no CHP for Resiliency Accelerator partners in Maine

Combined Heat and Power (CHP) ? sometimes referred to as cogeneration ? is an efficient and clean approach

to generating on-site electric power and useful thermal energy from a single fuel source.

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