3,542 o F 3,542 o F 120 o F 50 o F N ATURAL GAS USE - 75% 1.5 - - PowerPoint PPT Presentation

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3,542 o F 3,542 o F 120 o F 50 o F N ATURAL GAS USE - 75% 1.5 - - PowerPoint PPT Presentation

Dec 20, 2023 156 likes •895 views

3,542 o F 3,542 o F 120 o F 50 o F N ATURAL GAS USE - 75% 1.5 MILLION THERMS /Y R . 6,348,000 kWh/yr. BTUs 25,000,000,000 20,000,000,000 15,000,000,000 Exported/yr. 10,000,000,000 5,000,000,000 0 1 2 BTUs 25,000,000,000

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3,542oF

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3,542oF 50oF 120oF

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NATURAL GAS USE - ⇓ 75% 1.5 MILLION THERMS/YR. ⇓

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6,348,000 kWh/yr.

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5,000,000,000 10,000,000,000 15,000,000,000 20,000,000,000 25,000,000,000 1 2

Exported/yr.

BTUs

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5,000,000,000 10,000,000,000 15,000,000,000 20,000,000,000 25,000,000,000 1 2

Exported/yr. Imported/yr.

BTUs

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Telephone Switching

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Telephone Switching Computer Servers

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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Telephone Switching Computer Servers Elevator Equipment

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The Science Museum of Minnesota has reduced its purchases of heat energy by how much through its recent exergy retrofit?

  • A. 25%
  • B. 33%
  • C. 50%
  • D. 75%
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The Science Museum of Minnesota has reduced its purchases of heat energy by how much through its recent exergy retrofit?

  • A. 25%
  • B. 33%
  • C. 50%
  • D. 75%
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10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

$ Science Museum of Minnesota Hot Water + Steam Expense

2013

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10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

$ Science Museum of Minnesota Hot Water + Steam Expense

2013 2015

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10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

$ Science Museum of Minnesota Hot Water + Steam Expense

2013 2015 2016

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5,000 10,000 15,000 20,000 25,000 30,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

$ Science Museum of Minnesota Cooling Use Expense

2013

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5,000 10,000 15,000 20,000 25,000 30,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

$ Science Museum of Minnesota Cooling Use Expense

2013 2015

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5,000 10,000 15,000 20,000 25,000 30,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

$ Science Museum of Minnesota Cooling Use Expense

2013 2015 2016

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KWhs/Yr.

1,000,000 2,000,000 3,000,000 4,000,000 5,000,000 6,000,000 7,000,000 8,000,000

Forecast Recommissioning 2010 Past 12 months

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OTHER COMPLEMENTARY BUILDING IMPROVEMENTS

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OTHER COMPLEMENTARY BUILDING IMPROVEMENTS

  • Direct digital controls upgrade
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OTHER COMPLEMENTARY BUILDING IMPROVEMENTS

  • Direct digital controls upgrade
  • CO2 demand ventilation
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OTHER COMPLEMENTARY BUILDING IMPROVEMENTS

  • Direct digital controls upgrade
  • CO2 demand ventilation
  • Pneumatic damper actuation conversion
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OTHER COMPLEMENTARY BUILDING IMPROVEMENTS

  • Direct digital controls upgrade
  • CO2 demand ventilation
  • Pneumatic damper actuation conversion
  • Continuous commissioning program
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Cost, Savings and Return on Advanced Heat Recovery $900,000 Purchase, installation and commissioning of heat recovery equipment

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Cost, Savings and Return on Advanced Heat Recovery $900,000 Purchase, installation and commissioning of heat recovery equipment $200,000 Estimated annual savings

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  • $1,000,000
  • $800,000
  • $600,000
  • $400,000
  • $200,000

$0 $200,000 $400,000 2014 2015 2016 2017 2018 2019

CSimple Payback Schedule for Science Museum of Minnesota Energy Retrofit

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  • factory workers,
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  • factory workers,
  • truck drivers,
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  • factory workers,
  • truck drivers,
  • riggers,
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  • factory workers,
  • truck drivers,
  • riggers,
  • concrete workers,
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  • factory workers,
  • truck drivers,
  • riggers,
  • concrete workers,
  • electricians,
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  • factory workers,
  • truck drivers,
  • riggers,
  • concrete workers,
  • electricians,
  • pipefitters,
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  • factory workers,
  • truck drivers,
  • riggers,
  • concrete workers,
  • electricians,
  • pipefitters,
  • software technicians,
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  • factory workers,
  • truck drivers,
  • riggers,
  • concrete workers,
  • electricians,
  • pipefitters,
  • software technicians,
  • and many others….
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U.S. Energy improvements since 2008

  • Costs

Use LED lights

90% 195X

Source: U.S. DOE

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U.S. Energy improvements since 2008

  • Costs

Use LED lights

90% 195X

Solar energy

60% 20X

Source: U.S. DOE

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U.S. Energy improvements since 2008

  • Costs

Use LED lights

90% 195X

Solar energy

60% 20X

Wind energy

40% 3X

Source: U.S. DOE

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Thank you

Patrick Hamilton Director, Global Change Initiatives Science Museum of Minnesota @PatrickHamilto2 phamilton@smm.org 651-221-4761