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LEED GA STUDY GROUP:
Energy & Atmosphere
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CHECKLIST
Energy & Atmosphere
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Energy & Atmosphere
Prerequisite 1: Fundamental Commissioning of Building
Energy Systems
5%-10% savings in energy,
Ensure key building systems operate
properly,
Catch mistakes,
Avoid callbacks,
Prevent equipment failure & litigation!
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Energy & Atmosphere
Prerequisite 1: Fundamental Commissioning of Building
Energy Systems
Include at least the following in the scope of commissioning:
Heating, cooling, refrigeration, ventilation systems & controls
Lighting and daylighting controls
Domestic hot water systems
Renewable energy systems
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Energy & Atmosphere
Prerequisite 2: Minimum Energy Performance
3 OPTIONS:
Whole Building Energy Simulation ASHRAE Advanced Energy Design Guides
Core Performance Guide
Intent: To establish the minimum level of energy efficiency for the proposedbuilding and systems to reduce environmental and economic impacts
associated with excessive energy use.
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Energy & Atmosphere
Prerequisite 2: Minimum Energy Performance
OPTION 1: WHOLE ENERGY BUILDING SIMULATION
Any building type
Comply with mandatory provisions (ASHRAE 90.1-2007)
Demonstrate energy cost 10% lower than baseline energy
simulation (also per ASHRAE 90.1-2007)
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Energy & Atmosphere
Prerequisite 2: Minimum Energy Performance
OPTION 2: ASHRAE ADVANCED ENERGY DESIGN GUIDELINES
Office & Retail up to 20,000sf
Warehouses up to 50,000sf
Implement all measures in applicable Advanced Energy Design
Guide
Download a copy of the Advanced Energy Design Guide at http://www.ashrae.org/publications/page/1604
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Energy & Atmosphere
Prerequisite 2: Minimum Energy Performance
OPTION 3: CORE PERFORMANCE GUIDE
Less than 100,000sf
NOT healthcare, warehouse, or lab
Comply with Core Performance Guide
Sections 1 & 2
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Energy & Atmosphere
Prerequisite 3: Fundamental Refrigerant Management
Intent: To reduce stratospheric ozone depletion.
Requirements:
Zero CFCs in New Buildings
Phase out CFCs in Existing Buildings
* Phase-out plans extending beyond the project completion date will
be considered on their merits.
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Energy & Atmosphere
Credit 1: Optimize Energy Performance (1-19 pts)
Intent: To achieve
increasing levels of energy
performance beyond the
prerequisite standard to
reduce environmental and
economic impacts
associated with excessive
energy use.
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Energy & Atmosphere
Credit 1: Optimize Energy Performance (1-19 pts)
Option 1: Whole Building Energy Simulation (1-19 pts)
Any building type
Comply with mandatory provisions
Document energy model for design & baseline case per ASHRAE 90.1-2000
Demonstrate energy cost savings (1-19 pts + EP)
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Credit 1: Optimize Energy Performance (1-19 pts)
Option 1: Whole Building Energy Simulation (1-19 pts)New Bldgs Existing Bldg Reno Points
12% 8% 1
14% 10% 2
16% 12% 3
18% 14% 4
20% 16% 5
22% 18% 6
24% 20% 7
26% 22% 8
28% 24% 9
-cont- -cont- -cont-
30% 26% 10
32% 28% 11
34% 30% 12
36% 32% 13
38% 34% 14
40% 36% 15
42% 38% 16
44% 40% 17
46% 42% 18
48% 44% 19
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Energy & Atmosphere
Credit 1: Optimize Energy Performance (1-19 pts)
Option 2: Prescriptive Compliance Plan:
ASHRAE Advanced Energy Design Guide (1pt)
Path 1: ASHRAE Advanced Energy Design Guide for Small Office Buildings 2004
Less than 20,000sf Office occupancy
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Energy & Atmosphere
Credit 1: Optimize Energy Performance (1-19 pts)
Option 2: Prescriptive Compliance Plan:ASHRAE Advanced Energy Design Guide (1pt)
Path 2: ASHRAE Advanced Energy Design Guide for Small Retail Buildings 2006
Less than 20,000sf
Retail occupancy
Path 3: ASHRAE Advanced Energy Design Guide for Small Warehouses/Self
Storage 2008
Less than 50,000sf
Warehouse or self-storage company
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Energy & Atmosphere
Credit 1: Optimize Energy Performance (1-19 pts)
Option 3: Prescriptive Compliance Plan:Advanced Buildings Core Performance Guide (1-3 pts)
Less than 100,000sf
No healthcare, warehouse, or laboratory buildings
** Up to 2 additional points are available to projects that implement performance
strategies listed in Section 3, Enhanced Performance. For every 3 strategies
implemented from this section, 1 point is available.
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Energy & Atmosphere
Credit 2: On-Site Renewable Energy (1-7 pts)
Intent: To encourage and
recognize increasing levels of on-
site renewable energy self-supply
to reduce environmental and
economic impacts associated with
fossil fuel energy use.
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Energy & Atmosphere
Credit 2: On-Site Renewable Energy (1-7 pts)
Percentage Renewable
Energy
Points
1% 1
3% 2
5% 3
7% 4
9% 5
11% 6
13% 7
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Credit 3: Enhanced Commissioning (2 pts)
In addition to prerequisite commissioning (EAp1):
Designate CxA (commissioning authority) to lead/review/oversee
completion of all commissioning process activities
CxA must review OPR (Owner¶s Project¶s Requirements), BOD
(Basis of Design), and Design Documents prior to 50% CD. CxA shall review submittals for compliance with OPR and BOD.
Develop a Systems Manual for operating staff
Verify that requirements for training & staff are completed
Review building operation 8-10 months after completion
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Credit 4: Enhanced Refrigerant Management (2 pts)
OPTION 1: DO NOT USE REFRIGERANTS.
This only works if there are no mechanical cooling or refrigeration
systems in the building.
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Credit 4: Enhanced Refrigerant Management (2 pts)
OPTION 2: Minimize Emissions
Identify the refrigerants used in the selected HVAC&R equipment
Calculate ODP (Ozone Depletion Potential) and GWP (Global
Warming Potential) for HVAC&R in LEED online.
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Credit 4: Enhanced Refrigerant Management (2 pts)
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Credit 5: Measurement & Verification (3 pts)
Intent: To provide for the ongoing accountability of building energy consumption over time.
OPTION 1:
Develop and implement a measurement and verification (M&V) plan consistent with
Option D: Calibrated
Simulation (Savings Estimation Method 2) as specified in the International Performance
Measurement &
Verification Protocol (IPMVP) Volume III: Concepts and Options for Determining Energy
Savings in New
Construction, April 2003.
The M&V period must cover at least 1 year of post-construction occupancy.
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Credit 5: Measurement & Verification (3 pts)
OPTION 2:
Develop and implement a M&V plan consistent with Option B: Energy Conservation
Measure Isolation, as specified in the International Performance Measurement &
Verification Protocol (IPMVP) Volume III: Concepts and Options for Determining Energy
Savings in New Construction, April 2003.
The M&V period must cover at least 1 year of post-construction occupancy.
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Credit 5: Measurement & Verification (3 pts)
STRATEGIES:
Develop an M&V plan to evaluate building and/or energy system
performance.
Characterize the building and/or energy systems through energy simulation
or engineering analysis.
Install the necessary metering equipment to measure energy use. Track performance by comparing predicted performance to actual
performance.
Evaluate energy efficiency by comparing actual performance to baseline
performance.
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Credit 6: Green Power (2 pts)
Intent: To encourage the
development and use of grid-
source, renewable energy
technologies on a net zeropollution basis.
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Credit 6: Green Power (2 pts)
1. Determine energy consumption.
2. Use the electrical consumption based on the energy model
from EA Credit 1
or
Use the electrical consumption based on the US. Dept of
Energy Commercial Buildings Energy Consumption Survey(CBECS)
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Credit 6: Green Power (2 pts)
3. Investigate options for Green-e Certified Power
a. Purchase from existing provider
b. Purchase renewable power from the open market
c. Purchase Renewable Energy Certificates (RECs)
4. Sign 2 year contract
http://www.green-e.org/energy