owning zero usgbc co rmg 2012

Shanti Pless, LEED APNREL, Commercial Buildings Research Group

Tom Hootman, AIA, LEED APRNL, Director of Sustainability

New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)

New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)

New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)

California PUC 2030

ASHRAE Vision 2020

Federal / EISA 2030

Massachusetts 2030

Living Building Challenge

2030 Challenge

131K-5K

115K-10K 10K-25K 25K-50K

50K-100K >100K

19 5

8 4New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)

OtherCertifiedSilverGoldPlatinum Source: DBIA Project Database

Average Cost: $334/SFRSF Cost: $259/SF

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Images courtesy of Architectural Nexus

Image

Image courtesy of GSA, Beck Group and Westlake Reed Leskosky

New Buildings InstituteEnergy Performance of LEED for New Construction Buildings (March 2008)

Goal Setting

Design for Operations

Contractual Performance

Feedback Loop

The Handoff

Manage Plug Loads

I want a green building

Design a LEED <rating> building

Design a building to use 30% less energy than ASHRAE 90.1-2004

Design a building to use less than 25,000 BTU/sqft

Design a net zero energy building

Safety

LEED Platinum

Energy Star

1. Mission Critical

2. Highly Desirable800 staff Capacity

25kBTU/sf/year

Architectural integrity

Honor future staff needs

Measurable ASHRAE 90.1

Support culture and amenities

Expandable building

Ergonomics

Flexible workspace

Support future technologies

“How to” manual

Real-time PR” campaign

Secure collaboration with outsiders

Building information modeling

Substantial Completion by 2010

3. If PossibleNet zero design approach

Most energy efficient building in the world

LEED Platinum Plus

ASHRAE 90.1 + 50%

Visual displays of current energy efficiency

Support public tours

National and global recognition and awards

Support personnel turnover

Compliance Modeling (Percent better than ASHRAE 90.1)

Predictive Modeling(Absolute energy target)

VERSUS

COMPETITION DESIGN CONSTRUCTION OPERATIONS

CHARRETTE MODEL AS-DESIGNED MODEL

LEED MODEL + BASELINE AS-BUILT MODEL

OPERATIONS MODEL

Net Zero Energy Building (After PV):

Site ZEB

0kBtu/SF/year

Source ZEB

-20kBtu/SF/year

Emissions ZEB

-5LB CO2e/SF/year

BClassification

BClassification

BClassification

2030 Baseline

137kBtu/SF/year

LEED Baseline

55kBtu/SF/year

Design/Actual

35kBtu/SF/year

Energy Use Intensity:

Operators Occupants

Executives IT Managers

Food Service HR Managers

First day of Net zero – June 23, 2011

Innovation for Our Energy Future

Measured Versus Modeled Monthly and Cumulative EUI

Innovation for Our Energy Future

October 2010 – September 2011 Lighting Power Density

Innovation for Our Energy Future

October 2010 – September 2011 Plug Load Power Density

Note: The elevators are included in the plug loads

Innovation for Our Energy Future

October 2010 – September 2011 Daily Heating Energy

Innovation for Our Energy Future

2011 YTD Daily Cooling Energy

Innovation for Our Energy Future

October 2010 – September 2011 Mechanical System Power Density

Note: The mechanical load is comprised of only fans and pumps

Note: Control of the VFDs was optimized in late October 2010, resulting in energy savings

Note: Control of the dampers was optimized in April 2011, resulting in energy savings

Coordinate with O&M Plan

Coordinate with Commissioning

Analyze and Report Energy Data

Plan Energy Information System

Educate and Train Occupants

Manage Plug and Process Loads

Celebrate Success!

Plan for Future Changes

SAVE A SEAT FOR

YOUR DESIGN-BUILD TEAM?