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Standby Power… The Phantom Menace Nathalie Péloquin, ing. Senior Standards Engineer Isabelle Saint-Laurent Account Mgr, Industrial Sector Office of Energy Efficiency. Toronto, May 4 – 5, 2006. Table of contents. Standby Power Definition Trends Scope – Residential and Commercial

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Standby Power… The Phantom MenaceNathalie Péloquin, ing.Senior Standards EngineerIsabelle Saint-LaurentAccount Mgr, Industrial SectorOffice of Energy Efficiency

Toronto, May 4 – 5, 2006

table of contents
Table of contents
  • Standby Power
    • Definition
    • Trends
    • Scope – Residential and Commercial
  • Addressing The Issue
    • What is being done now
    • Strategies for the future
  • Next Steps
  • Contact Info
  • Roundtable Discussion
what is standby power
What is Standby Power?
  • The energy used by equipment while it is turned “off” – i.e. not being used or not performing its primary function.
    • Used to power a built-in clock, respond to programming or to remote commands.
    • External energy supplies (“battery packs”) consume power the moment they are plugged into an outlet.

A.K.A. …vampire loads… phantom loads… leaking electricity… waiting electricity… free-running power… off-mode power…

standby operating modes

Unplugged

Standby operating modes

Source: Lawrence Berkley National Laboratories

a growing concern

Standby

1980

1990

2000

2010

1970

A growing concern

Source: Benoit Lebot, International Energy Agency (IEA)

how big is the problem

MW used in residential standby in Canada: 600

Amount of MW used under a one-watt scenario: 157

46

8

63

15

3

123

21

2

17

15

41

178

1

11

5

6

14

58

4

5

How big is the problem?

A very conservative estimate averages 50W per household, roughly equivalent to leaving a 40W light bulb on all the time.

Equivalent # of households taken off the grid in a year: 431,187

Based on 2004 figures

trends residential
Trends – Residential

Standby Consumption Scenarios:

Business As UsualversusOne-Watt

Best Case Scenario:

if all products were to

operate at One-Watt Standby

Potential Savings: 1,110 MW,

2.4 Mt

227 MW -Capacity of a coal fired power plant

Source: Standby Power – Status and Trends in Canada, A. Zyzniewski, NRCan 2004.

commercial standby power
Commercial Standby Power
  • Current data on standby in the Commercial Sector is more limited
  • Definition of standby power and low-power modes is less clear-cut
    • Addresses plug load
    • What about the many other devices that draw standby in commercial buildings?
      • Elevators,
      • Exit signs,
      • Emergency lighting, and
      • HVAC equipment
estimates of c i standby use
Estimates of C/I Standby Use
  • Scenario 1: 10% of electricity is used by standby
    • 47.36 PJ
    • 1,500 MW
    • 1,461,728 households
  • Scenario 2: 15 kWh/m2 is used in standby
    • 547.8 million m2 of office space in Canada (2003)
    • 938 MW
    • 913,000 households
  • Even a simple reduction of 10% in standby power use would be equivalent to removing ~100,000 households from the grid…
computers a big part of plug load

Contributions to total standby energy consumption

Computers...a big part of plug load
  • Findings of a study of plug load in local government buildings done in Australia in ‘04-’05
  • Standby power consumption is decreasing, with the exception of desktop computers
  • Equipment types werefound to have relatively high enablement rates, except for computers.

Computer

49%

Monitor

28%

Source: Australian Greenhouse Office Study, 2005

energy star computer power mgt cpm

kW saved if 50% of computers enabled CPM: 70,520

Equivalent # of households taken off the grid in a year: 68,639

1,459

6,681

2,038

1,420

6,503

8,862

1,984

282

16,033

29,749

275

8,625

2,038

15,606

1,476

28,956

1,901

1,984

1,437

1,851

ENERGY STAR®Computer Power Mgt (CPM)
  • 98% of computers are shipped with ENERGY STAR CPM, but < 10% are enabled*.

* Source: Lawrence Berkley National Laboratories

initiative for energy efficient pcs
Initiative for energy efficient PCs
  • Targets the internal power supplies of desktop computers and desktop-derived servers
      • 80% or greater efficiency at 20%, 50% and 100% of rated load
      • True power factor of 0.9 or greater
  • Offers utilities an opportunity to secure energy and peak savings in the Commercial / Institutional sector
  • Creates early market traction for the upcoming ENERGY STAR®specification revision.
slide15

Initiative Overview

Utilities

Provide financial incentives

Comm / Inst Buyers

Provide energy savings

Manufacturers

Provide energy-efficient

products

potential
Potential
  • Savings of 700 to 2,435 kWh per unit, over the lifetime of a desktop computer or server.
  • Low acquisition cost
    • 1.3¢ per kWh (TRC)
    • 1.9 ¢ per kWh (UCT)

Source: Assessment of the Canadian PC Market, Dunsky Energy Consulting, 2006

current canadian activities
Current Canadian activities
  • The ENERGY STAR® Initiative:
    • Development and maintenance of criteria
    • Promotion of symbol to increase awareness
    • Inclusion of ENERGY STAR in Federal Green Procurement Policies
  • Technical
    • Preliminary analysis of Canadian situation (NRCan)
    • Technical Committees consider standby as existing standards are revised and new ones developed
      • Standby is addressed on an equipment specific basis by stakeholders (e.g. manufacturers, industry groups, etc.)
    • Update regulations where appropriate.
  • Programs
    • Such as support of 80 PLUS initiative in Canada
energy star part of a standby strategy
ENERGY STAR®: part of a Standby strategy
  • Standby power consumption addressed in consumer electronics;
    • Tiered levels and continual criteria revisions ensure tightened levels.
      • TV,DVD,VCR, Combo, Audio products, cordless phone, Battery Charging system, External Power supplies
  • Develop strategic initiatives to encourage use of low-power and sleep modes.
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, 1999

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July 1 ‘05

Measurements of standby power for appliances in a typical US home*

ENERGY STAR maximum standby power specification

International Energy Agency’s One-Watt Initiative

* Source: Alan Meier, Lawrence Berkeley National Laboratory (LBL)

next steps
Next steps
  • Need for better understanding of scope of issue in Canada
    • Studies to supplement current info on residential
    • Studies to bring sound info on commercial
  • Assemble a committee of stakeholders willing to tackle the issue
  • Develop and implement a strong Canadian policy
roundtable discussion
Roundtable discussion

Chair: Julia McNally Manager of Planning, Coordinating and Reporting Ontario Power Authority

discussion topic
Discussion topic

Can Canada reach a goal of1 watt (or less) by 2010?

1W

how could this be achieved
How could this be achieved?
  • Establish evaluation criteria and track results.
  • Establish Canadian consumer electronics database.
  • Work with industry groups to gather shipment data of equipment including share of ENERGY STAR (standby).
  • Examine the potential of voluntary targets with industry.
  • Implement low-standby within the green procurement policy of the Federal Government and challenge the industry to follow suit.
  • Adopt standby loss in Regulations.
    • Adopt current ENERGY STAR MEPS or past tier levels
  • Others…
international activities
International Activities
  • International Energy Agency (IEA) One-Watt Stand-by Power Initiative
  • Various Standby Initiatives:
    • European Union, the United Kingdom, United States, and Japan
  • Government Procurement Policies:
    • Australia, United States (FEMP) and European Union
  • Australia has formally adopted a “one-watt plan”
slide27

Mouse Pad

Poster

Tent Card

Desktop leave behind

US Power Management Campaign Material

80 plus potential
80 PLUS Potential
  • Savings range from $20 to $68 over the lifetime of the computer.
    • Conservative estimate on the low end as most business PCs do not get turned off or go to standby at night.

* Assumes that PCs are turned on 8hrs/day, off during non-work hours, and servers are on 24/7.

** The reduction in losses due to reduced or eliminated harmonic currents is estimated to be 4%.

*** Assuming an average cost of $0.08/kWh - but NO demand charge