ASHRAE Minnesota Chapter · 2017-01-09 · •27% of Minnesota EDA projects achieving SB2030 goals...
Transcript of ASHRAE Minnesota Chapter · 2017-01-09 · •27% of Minnesota EDA projects achieving SB2030 goals...
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ASHRAE Minnesota ChapterDecember 14, 2016
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SB 2030 Review
Ryan Schwartz, Program Manager – [email protected]
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Learning Objective
• Understand energy performance requirements of the SB 2030 and Architecture 2030 Challenge
• Integrate the SB 2030 achievement goals into current and future projects• Compare and contrast energy savings results from different building types• Explore ways to reach 70‐80% energy targets
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Agenda
1. SB 2030 Overview 5 minutes
2. SB 2030, MN Projects, and 2030 Challenge 15 minutes
3. Getting to 70 and 80% 10 minutes• Architecture• Lighting• HVAC• Renewables
4. SB 2030 As‐Designed Tool Demo 15 minutes
5. SB 2030 Feedback Discussion 15 minutes
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SB 2030 Overview
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Architecture 2030Background and Mission
• 2030’s mission is to rapidly transform the built environment to a central part of the solution to the climate and energy crises
• Building industry consumes more energy than any other sector in the United States
• Buildings were responsible for 44.6% of U.S. CO2 emissions in 2010
• Fossil fuels supply 75% of building sector energy consumption
• Current goal: 70% reduction• Net zero in 2030
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Sustainable Buildings 2030Goals
The B3 Sustainable Building 2030 (SB2030) Energy Standard is a progressive energy conservation program designed to significantly reduce the energy and carbon in Minnesota commercial, institutional and industrial buildings
SB2030 Energy Standards are required for all state‐bonded Minnesota buildings that have started schematic design after August 2009
Compared to representative buildings in existence in 2003, the reduction in carbon producing fuel used for building energy is:
New Renovations60% in 2010 30% in 201070% in 2015 35% in 201580% in 2020 40% in 202090% in 2025 45% in 2025100% in 2030 50% in 2030
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Minnesota and Outcomes Based Requirements for Public Buildings
• Based on 2030 Challenge % reduction goals from typical 2003 building
• Required for state‐bonded buildings that receive General Obligation (GO) bonds (regardless of the amount):
• All new buildings
• All substantially renovated buildings that include:
• At least 10,000 sf
• Replacement of HVAC system in all or part of the building
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ContextEnergy Use Compared to Existing Buildings
0%
20%
40%
60%
80%
100%
2010 2015 2020 2025 2030
CBECS Average 90.1-2004 90.1-2007 90.1-2010 2030
Architecture 2030 Goals
ASHRAE 90.1-2010ASHRAE 90.1-2004
Year
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SB 2030
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SB 2030, MN Projects, and AIA 2030 Challenge
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ProjectsEnergy Design Assistance Program
• New construction, addition, or major renovation with a mechanical system replacement located in Minnesota
• Larger than 20,000 sf• Heated and/or cooled using electric or natural gas provided by Xcel Energy, CenterPoint Energy, or Otter Tail Power
• Completed between 2010 and 2015
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Total EDA Projects 2003‐2015624 Projects
33%(62)
18%(79)
27%(51)
37%(163)
24%(45)
30%(132)
11%(21)
12%(52)
4%(7)
3%(12)
Prio
r to
Chal
leng
e20
03-2
009
Proj
ects
201
0-20
15
Less than 40% 40-50% 50%-60% 60%-70% 70% plus
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438 Projects Completed 2010‐201558.1 Million Square feet
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Projects Completed 2010‐2015 438 Projects
106
5141
30 2718 15 14 11 11 11 9 9 9 8 7 7 7 7 5 5 5 5 4 3 2 3 2 1 1 1 10
10
20
30
40
50
60
70
80
90
100
# of
Pro
ject
s
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Year of Design CompletionSB 2030 Goals
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
2010 2011 2012 2013 2014 2015
60%(26)
71%(51) 65%
(44)
71%(58)
77%(79)
86%(60)
40%(17)
29%(21) 35%
(24)
29%(24)
23%(24)
14%(10)
% projects not meeting goal % projects that achieved goal
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Year of Design Completion
14% (6)
24% (17)
15% (10)
16% (13)
16% (16)
24% (17)
58% (25)
33% (24)
41% (28)
45% (37)
31% (32)
24% (17)
12% (5)
25% (18)
29% (20)
28% (23)
41% (42)
34% (24)
12% (5)
14% (10)
9% (6)
11% (9)
11% (11)
16% (11)
5% (2)
4% (3)
6% (4)
0
2% (2)
1% (1)
2010
2011
2012
2013
2014
2015
Less than 40% 40-50% 50%-60% 60%-70% 70% plus
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Building SizeSB 2030 Goals
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Less than 30,000 SF 30,000 SF - 70,000 SF 70,000 SF - 110,000 SF 110,000 SF +
69%(37)
74%(88)
71% (65)
74%(128)
31%(17)
26%(31)
29%(26)
26%(46)
% projects not meeting goal % projects that achieved goal
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Construction TypeSB 2030 Goals
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Addition New Renovation Renovation And Addition
94%(26) 84%
(240)
3% (2)
93%(50)
4% (1)
16% (45)
97%(70)
7% (4)
% projects not meeting goal % projects that achieved goal
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Market Sector Based On REED Project Type Categories
Educational20%
Healthcare6%
Industrial2%
Institutional10%
Mixed Use9%
Residential26%
Retail/ Commercial27%
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Market Sector Based On REED Project Type CategoriesSB 2030 Goals
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
64%(56)
96%(24) 78%
(7) 60%(26)
78%(32) 70%
(79)
78%(94)
36%(31)
4% (1)
22%(2) 40%
(17)
22%(9) 30%
(34)
22%(26)
% projects not meeting goal % projects that achieved goal
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Key Observations
• Government funded projects have a higher success rate• Residential, Retail/Commercial, and Mixed Use projects have a lower success rate due to market costs
• Healthcare is difficult to meet the challenge due to regulatory and functional requirements
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AIA National and Minnesota EDA Projects
• AIA National Annual Report 2015 –Arch 2030 Commitment
• Reporting Period 2010‐2015• 2.6 Billion GSF• 10,443 total projects • 7.2% of total GSF met 60% target• 10.3% of projects met 60% target• 3.9% of total GSF met 70% target• 43% of total GSF achieved less than 40% savings
• Minnesota EDA• Reporting Period 2010‐2015• 58.1 Million GSF• 438 total projects • 16.7% of total GSF met 60% target• 14.6% of projects met 60% target• 1.5% of total GSF met 70% target• 16.9% of total GSF achieved less than 40% savings
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B3 Sustainable Building Program
• SB2030• 47 Projects• Government funded• 94% of projects met 60% target• 62% of projects met 70% savings
• B3• 7600 Buildings• 315 Million GSF• Operating buildings• Identified 42% of buildings that are good candidates for improvement
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Getting to 70‐80%
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Three Distinct Challenges
Design a high efficiency building
Build a high efficiency building
Operate a high efficiency building
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Getting to 70% and 80% Reduction
1. Optimize Building DesignArchitecture informing energy usage through use of form and function
2. Maximize EfficienciesEvaluate the full breadth and optimal mix of energy consuming components
3. Innovative TechnologiesTest the value of the latest technologies including on‐site renewables
4. Informed OperationInclude ongoing operations to track performance and give regular feedback
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21%
20%
18%
13%
5%
5%
5%
5%3% 2%
1%1%1%
0%
Low ambient light with tasklights high efficiency lighting fixtures
Photovoltaic electrical
Radiant heating and cooling with Dedicated Outdoor Air System (DOAS)
Daylighting and occupancy controls
High insulation walls (40) and roof (50)
Wood frame/triple‐glazed windows
Reduced equipment load allowance
Solar thermal system
Total heat recovery system
Operable windows /ceiling fans
Higher cooling temperature set points
CO2 controls
Fixed shading
High interior thermal mass
No Single Technology Will Do It All
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Architecture
1. Optimize Building DesignDesign the building from the energy meter’s perspective• Compactness and Shape• Optimize Passive Solar• Optimize Daylighting• Space Programming• Fixed and Variable Shading• Improved glazing and insulation systems
• Reduce internal load
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Engineering
2. Maximize EfficienciesEvaluate the energy consuming components• Lighting
• LED lighting systems with digital controls• Shift from general to task illumination
• HVAC systems• Pipe or duct• Zone or central• Energy recovery• Control sequences• Decouple maintaining temperature from providing ventilation
• Part load performance
• Process Loads
• Hot Water Generation
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Innovation
3. Innovative TechnologiesTest the value of latest technologies including on‐site renewables• Switchable glazing• Chilled beams• Variable refrigerant flow• Turbulent energy recovery in labs• Solar thermal, Photovoltaic• Microturbine, Fuel cell
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Operation
4. Informed OperationInclude ongoing operations perspective to make the goal real over the building’s life• Owner involvement• Trade offs
• Comfort• Productivity• Maintainability
• Ongoing commissioning• After‐hour use• Base rest load• Sub meter• Benchmark
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SB 2030 As‐Designed Tool Demo
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Current Process Calculate SB 2030 Standard and Develop Separate Energy Model
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Current ProcessCalculate SB 2030 Standard and Develop Separate Energy Model
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SB 2030 As‐Designed ToolSet an Energy Use Intensity Standard
• EUI Goal based on 70% reduction from typical 2003 building
• Online modeling tool adjusts for
• Hours of use• Building type• Local weather• Unregulated loads
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SB 2030 As‐Designed ToolDesign to Meet EUI Goal
• Design and modeling reviewed for compliance with EUI goal
• Starting in early 2017 modeling can be done with online tool
• Interventions at design are far less expensive than post construction
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Conclusion
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Conclusion
• 27% of Minnesota EDA projects achieving SB2030 goals• Current and emerging technologies are needed to meet 70‐80% reduction• Integrated design and early energy analysis are key to attaining 70‐80% or greater savings
• Continuum of energy analysis and monitoring is needed to effect long‐term energy reduction
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SB 2030 Feedback Discussion
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SB2030 Feedback Discussions
• Please contact Russ Landry with additional feedback and questions:
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Thank You
Ryan Schwartz [email protected]