The PSPC process for setting low-carbon design …...4. New sources of low-carbon energy to the...

65
The PSPC process for setting low-carbon design targets Antoni Paleshi Senior Energy Performance Specialist, Sustainability & Energy, Kitchener

Transcript of The PSPC process for setting low-carbon design …...4. New sources of low-carbon energy to the...

Page 1: The PSPC process for setting low-carbon design …...4. New sources of low-carbon energy to the buildings industry (e.g. hydrogen fuel cell, wind generation, biogas generation) 5.

The PSPC process for setting low-carbon design targets

Antoni Paleshi

Senior Energy Performance Specialist, Sustainability & Energy, Kitchener

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1. Drivers

2. Key Concepts

3. Methodology

4. Sample GHG Reduction Measures

5. Study Results

6. Conclusion

Outline

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1. Drivers

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Can we make a business case

for Carbon Neutral Buildings?

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Future Financial Impacts with Climate Change

Climate Change Do Something Today Do Nothing

Not Real $

Real $ $$$

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Drivers

Limit temperature increase to 2.0 °C 30% reduction on emissions

PARIS AGREEMENT PAN-CANADIAN FRAMEWORK

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Ontario’s Climate Action Goals

https://www.ontario.ca/page/climate-change-action-plan

* below 1990 greenhouse gas emission levels** based on the 2016 National Inventory Report

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Federal Commitments

Greening Government Strategy:—By 2050: 80% reduction in GHG emissions from

facilities and fleet relative to 2005

—By 2022: all new facilities will be net-zero carbon ready

PSPC’s Real Estate Portfolio:—Goal to achieve carbon neutral footprint by 2030

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2. Key Concepts

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Energy Cost GHG Emissions

Electricity

Natural Gas

Natural Gas vs. Electricity in Ontario

Natural gas has 4-5x more GHG emissions than electricity (right now)

Electricity costs 4-5x more than natural gas (right now)

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Definition of Carbon Neutrality

Emissions Green Power

ZERO CARBON BALANCE

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Federal Government’s Plan for Carbon Pricing

0

10

20

30

40

50

60

2018 2019 2020 2021 2022

$ /

ton

ne

eCO

2

BC current pricing

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Carbon Pricing

$400/tonne

Science, 2017, 355:6331, pp 1269-71 2020 2050

$50/tonne

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Carbon Pricing after 2022?

Source: National Round Table on the Environment and the Economy

0

50

100

150

200

250

300

350

2010 2015 2020 2025 2030 2035 2040 2045 2050

Aggressive ($/ton)

Steady ($/ton)

Minimum ($/ton)

0.9 ¢/kWh - NG0.5 ¢/kWh - Elec

4.5 ¢/kWh - NG2.5 ¢/kWh - Elec

NG: 2 ¢/kWh => 6.5¢/kWhElec: 12 ¢/kWh => 14.5 ¢/kWh

$150/tonne Average(for reference)

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Electricity Grid Carbon Intensity Province-by-Province (2015)

797

720667

603

385

282

42 41 32 20 13 3 10

100

200

300

400

500

600

700

800

900

AB NU SA NS NT NB YT ON NL PE BC MN QC

g e

CO

2/kW

h

Natural Gas (now)

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2. Methodology

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3% 1% -12%

-2% 0% -6%-2%

-6%-26%

-9%-12%

-1% <1% 0% 0% 0% -18%

-9%

-0.3

-0.25

-0.2

-0.15

-0.1

-0.05

0

0.05

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100,000

150,000

200,000

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% Reduction from 2015-16

Portfolio Level: PSPC National Perspective

14%23%

26%

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PSPC’s Priorities for Carbon Neutrality

Efficiency first

Strategic fuel switching

Installation of renewables on-site

Procurement of off-site renewables (e.g., RECs)

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Process Followed(Multi-Disciplinary Project)

Define Code

Reference &

Minimum1 Create &

Analyze Measures2 Create &

Analyze Options3

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Process Followed(Multi-Disciplinary Project)

• Define Code Reference

• Define Minimum

1

Option 1: Minimum Departmental Commitments

• 24%-28% better than NECB 2015

• LEED v4 BD+C Silver/Gold Certification

• PSPC Technical Reference for Office Buildings

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Process Followed(Multi-Disciplinary Project)

Generate Measures2a

30-40 Measures

• Enclosure

• Space

• HVAC – Delivery

• HVAC – Plant

• Renewable Energy

Including “Moonshot” Ideas.

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Process Followed(Multi-Disciplinary Project)

Analyze Measures2b

Detailed Analysis

• GHG Reduction Potential

• Energy Savings

• Financial Metrics

• Occupant Health & Comfort

• Cost & Operational Risk

• Schedule Impact

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Process Followed(Multi-Disciplinary Project)

Package and

Analyze Options

3

Option 2Design to achieve Cost-Neutral (25 years – NPV) GHG Reductions

Option 3Design to Achieve Maximum GHG Reductions

Option 4Hybrid GHG Emissions and Reductions Design

Best value for YOUR money.

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Performance Metrics

Thermal Energy Demand Intensity (TEDI)Unit: kWh/m2

Indicates enclosure & HVAC delivery perf.

Total Energy Use Intensity (TEUI) Unit: kWh/m2

GHG Intensity (GHGI) Unit: kg eCO2/m2

Incremental Capital Cost

Incremental Life Cycle Cost

𝐻𝑒𝑎𝑡𝑖𝑛𝑔 𝑙𝑜𝑎𝑑

𝐺𝑟𝑜𝑠𝑠 𝑓𝑙𝑜𝑜𝑟 𝑎𝑟𝑒𝑎

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Incremental Life Cycle Costing (LCC)

25 year study

Variables assessed:

— Inflation

—Discount rate

—Capital cost (and replacement cost)

—Operations and Maintenance (O&M) costs

—Energy cost and future increases

—Carbon price

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Cost Consultant

WSPSustainability

Simulation Specialist

Building Science

Electrical

Mechanical

Architect

Owner & Operator

Integrated Approach

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Case Study 1:Major RetrofitOttawa, ON

Space Type Commercial office

Size72,000 m2

10 Storeys

Min.

Targets

LEED v4 Silver

40% reduction in carbon

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Case Study 2: New Construction / ExpansionVancouver

Space Type Commercial office

Size96,600 m2

36 Storeys

Features

Use of Wood

Central Atrium

Major Expansion

Min. Targets 2025: 100 ekWh/m2

LEED v4 Gold

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2. Measures

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Space Measures – Future Workplace

Use the buildings part of the budget to enhance the salaries and benefits part of the budget.

Brill, Weidemann, & BOSTI Associates, 2001

New Building

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ENE/WSW

DALI

Solar Control

Operable Windows

Comfort Feedback

Space Empower the User

Activity-BasedWorkplace

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Space

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Space Empower the User

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Overall performance (R-Value) matter’s most!

—Window-to-wall ratio (WWR)

—Window performance

—Opaque wall performance

— Thermal bridging

Aim for overall min. average of R-6 to R-10Many office towers are around R-3

Enclosure

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Overall performance (R-Value) matter’s most!

Typical WWR

Enclosure

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General HVAC Trends

1. Separate systems for separate purposes/usage patterns (e.g. core and perimeter systems in office)

2. User-responsive

3. Very low power (i.e. fans and pumps)

4. Low-exergy or “Near-temp”: high-temp cooling, low-temp heating

HVAC -Delivery

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Under Floor Ventilation w/ Radiant slab/panelsHVAC -Delivery

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Linking HVAC with Envelope

Improved envelope reduces HVAC sizingResults in HVAC capital cost savings

Good enclosures required for high performance HVAC

HVAC -Delivery

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Enclosure Performance and HVAC – Heating

and VAV Reheat, Fan Coils

HVAC -Delivery

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Boiler:— Natural Gas (94% efficient)— Biomass (85% efficient)— Electric (100% efficient but expensive!)

Heat Recovery Chiller— Data Centers— Exhaust air

Air-source Heat Pump:— Average COP Heating: 2.5-3.0— Average COP Cooling: 4.0-5.0

Geo-exchange system:— Average COP Heating: 3.5-4.0— Average COP Cooling: 5.0-6.0+

Plant Options SummaryHVAC Plant

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Plant Options SummaryHVAC Plant

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GeothermalHVAC Plant

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PhotovoltaicsRenewables

Rooftop Building Integrated

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“Moonshots”Renewables

1. New innovations in existing industries, especially Canadian-made (e.g. Morgan Solar panels)

2. Uncommon and/or newer products or systems (e.g. phase change materials, electrochromic glass, hybrid VRF)

3. Uncommon sources/sinks for heating and cooling (e.g. lakes, rivers, waste-water)

4. New sources of low-carbon energy to the buildings industry (e.g. hydrogen fuel cell, wind generation, biogas generation)

5. Load-shifting technologies (e.g. batteries, flywheel, thermal storage)

6. Carbon capture (e.g. algae)

What opportunities exist in the geo-exchange industry?

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3. Results

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At a glance

60

25-year Cost / Tonne ($/tonne)

25-year Carbon Saved (%)

0%

5%

10%

15%

20%

25%

30%

35%

40%

-300 -200 -100 0 100 200 300

HRChiller

Space

Delivery

Enclosure

Geoexchange

$15

0/t

on

ne

CAUTION! SOMEWHAT SPECULATIVE!!

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Results – Package SummaryItem NECB 2015 Option 1

Min DesignOption 2LCC Neutral

Option 3Max. GHG Reduction

Option 4Hybrid

Enclosure 40% WWRR-5

60% WWRR-5

40% WWRR-11

40% WWRR-11ElectrochromicDaylight redirect

40% WWRR-11Electrochromic SWFixed shading

Space Fluorescent LED LED

LEDUser FeedbackDALI controlDirect/Indirect LtgDesk plug shut-off

LEDUser FeedbackDALI control

HVAC – Delivery VAV System High performance VAV with DCV

Core VAVPerim. HRV (0.75)Radiant Slab

Core UFADPerim. UFAD HRV Radiant SlabAtrium LungNatural Ventilation

Core UFADPerim. UFAD HRV Radiant SlabAtrium LungAssist Nat. Vent.

HVAC - Plant Gas Boiler (83%)Centrifugal Chiller

Cond. Gas Boiler (92%)Mag. Bearing Chiller

Cond. Gas Boiler (92%)Heat Recovery Chiller

Central heat pump Geo-ExchangeBiomass Peak Boiler

Central heat pump Geo-ExchangeGas Peak Boiler

Renewables No PV No PV No PVRooftop PVBIPV11% Total energy use

Rooftop PVBIPV5% Total energy use

New Building

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Comparative Features – Option 2 (LCC Neutral)

Item New Construction (BC)

Major Retrofit(ON)

Enclosure

40% WWRR-10.8Advanced Solar Control (Electrochromic glass)

33% WWROverall R-8

Space LEDAdvanced lighting control

LEDAdvanced lighting control

HVAC – DeliveryCore UFADPerim. UFAD HRV Radiant Slab

Core VAVPerim. DOAS HRVPerim. Active beams

HVAC - PlantHeat Recovery ChillersGas Condensing BoilersMagnetic Bearing Chiller

Exhaust Air Heat Recovery Chillers

District Energy HW and CHW

Renewables No PV 4% PV generation rooftop

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491

245

181

122

169 155

97

54

0

100

200

300

400

500

600

Existing NECB 2015 Option 1 (Min. Design) Option 2 (LCC Neutral)

TEU

I (kW

h/m

2)

Major Retrofit (ON)

New Construction (BC)

Results – Total Energy Use Intensity (TEUI)

Partially occupied

TGSv3 Tier 3, CoV Rezone 2017 (100)*

TGSv3 Tier 4 (67)*

*Indicates estimates

Option 1(Min Design)

Option 2(LCC Neutral)

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64

33

26

1614

16

6.8

0.90

10

20

30

40

50

60

70

Existing NECB 2015 Option 1 (Min. Design) Option 2 (LCC Neutral)

GH

GI (

kg/m

2)

Major Retrofit (ON)

New Construction (BC)

Comparative Results - GHGI

Partially occupied

2019 CoV VBBL (7.0)*

2025 CoV Rezoning (0.0)*

*Indicates estimates

Option 1(Min Design)

Option 2(LCC Neutral)

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Comparative Financial Results Option 2 (LCC Neutral)Low Carbon

New Construction (BC)

Incremental Capital Cost(year-2026)

0.7%

Incremental LCC (year-2026) -0.6%

Carbon Savings 87% vs. Opt 1(82% vs. Existing)

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Comparative Financial Results Option 2 (LCC Neutral)Low Carbon

New Construction (BC) Major Retrofit (ON)

Incremental Capital Cost(year-2026)

0.7% 2.5%

Incremental LCC (year-2026) -0.6% 0.3%

Carbon Savings 87% vs. Opt 1(82% vs. Existing)

38% vs. Opt 1(75% vs. Existing)

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87% Potential

13% Remain

Gap to Zero Carbon

Efficiency first

Strategic Fuel Switching

Installation of renewables on-site

Procurement of off-site renewables (e.g., RECs)

GHG Reduction

New Building Major Retrofit

75% Potential

25% Remain

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Renewable Energy Credits (RECs) and Offsets

Two options: buy from Canada or USA?—Canada is at least 2x more expensive—Canadian RECs and offsets are used in the next example

Electricity RECs

Natural Gas Carbon Offsets

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Comparative Financial ResultsOption 2 (LCC Neutral)Zero Carbon

New Building Major Retrofit

Low-carbon Zero carbon Low-carbon Zero

carbon

Incremental LCC

(year 2026)

-0.6% -0.4% 0.3% 0.8%

Carbon Savings 87% 100% 75% 100%

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4. Conclusions

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1. Technologies are Available Today

Envelope crucial to progress to passive HVAC systems

Cost Consultant

WSPS&E

Bldg. Sci

Elec

Mech

Architect

Owner

Efficiency first

Strategic fuel switching

Installation of renewables on-site

Procurement of off-site renewables (e.g., RECs)

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2. Location Matters

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3. Energy Price Gap

Sensitivity Analysis for Option 2 (LCC Neutral)

Fuel Cost - Baseline

Capital Cost

Carbon Price

Carbon Savings

O&M

Net Present Value (NPV)

Fuel Cost - Proposed

Relative Impact of Parameter (Standard Deviation)

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3. Energy Price Gap

— Testing uncertain variables in long term forecasts is important

— Based on today’s natural gas and electricity prices:— The carbon price won’t be the main driver in BC or ON— Carbon price needs to be well above avg. $150/tonne to make impact

— Business case improves when baseline’s become more stringent

OntarioEnergy Cost GHG

Emissions

Electricity

Natural Gas

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Can we make a business case

for Carbon Neutral Buildings?

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Life-cycle view is important for carbon neutral business case

Connection needed between developer & rate payer

4. New Construction - Business Case Exists

0.7% Capital Cost

Increase−0.6% LCC 87% GHG

Reduction

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2.5% Capital Cost Increase +0.3% LCC

75% GHG Reduction

($100/tonne)

4. Major Retrofit- More Motivation Needed

Motivations: • Commitment to Internal Policies / Goals

• Regulations (i.e. increasing baseline)

• Increase Carbon Pricing / Cap’n’Trade Schemes

• Public Perception (ex. Carbon Labelling)

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Carbon Neutrality Conclusions

1. Technologies are available to achieve 75%-90% reduction on most commercial sites.

2. Location matters—Climate dependent—GHG emission intensity in electricity grid

3. Energy cost gap—Natural gas vs. Electricity

4. Business Case — New Construction - business case already exists— Major Retrofit - more motivation required

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Biomass Power Generation – Tad Mason · BIOMASS POWER GENERATION Tad Mason, CEO ... 12 THE FUTURE OF ... particulate, black carbon, etc. ! Carbon accounting ! KEY ...

Biomass Power Generation – Tad Mason · BIOMASS POWER GENERATION Tad Mason, CEO ... 12 THE FUTURE OF ... particulate, black carbon, etc. ! Carbon accounting ! KEY ...

The Effects of PSPC on the Shipbuilding Industry

The Effects of PSPC on the Shipbuilding Industry

NEW GENERATION POLYMER CONCRETE INCORPORATING CARBON NANOTUBES

NEW GENERATION POLYMER CONCRETE INCORPORATING CARBON NANOTUBES

Hempel Folder on Imo - Pspc

Hempel Folder on Imo - Pspc

PSPC Table of Contents

PSPC Table of Contents

Carbon Dioxide-Mediated Generation of Hybrid Nanoparticles ...RESEARCH PAPER Carbon Dioxide-Mediated Generation of Hybrid Nanoparticles for Improved Bioavailability of Protein Kinase

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Generation of hydrogen from biogas with inherent carbon ...publications.lib.chalmers.se/records/fulltext/159688.pdf · Generation of hydrogen from biogas with inherent carbon dioxide

Generation of hydrogen from biogas with inherent carbon ...publications.lib.chalmers.se/records/fulltext/159688.pdf · Generation of hydrogen from biogas with inherent carbon dioxide

New Generation Manual & Auto Carbon Filters

New Generation Manual & Auto Carbon Filters

Technology supply curves for low-carbon power generation

Technology supply curves for low-carbon power generation

Malcolm E. Verdict - Building Low Carbon Generation

Malcolm E. Verdict - Building Low Carbon Generation

Generation Technology Options in a Carbon- …eea.epri.com/pdf/strategic-energy-analysis/Generation_Technology... · Generation Technology Options in a Carbon-Constrained World Prepared

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Generation and Characterization of Carbon Fiber

Generation and Characterization of Carbon Fiber

Contracts for Difference for Low Carbon Electricity Generation

Contracts for Difference for Low Carbon Electricity Generation

PSPC Edge Preparation

PSPC Edge Preparation

GMO Şubat 2010 - gelisimraspa.comgelisimraspa.com/files/IMO PSPC SUBAT 2010 GMO TURKISH.pdf · • Not alınması en önemli şey zamanlamadır.CSR,IMO PSPC yürürlüğe girdikten

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LR PSPC Verification Guidelines Version 5 January 2013

LR PSPC Verification Guidelines Version 5 January 2013

Next generation materials based on carbon nanotubes

Next generation materials based on carbon nanotubes

Carbon Footprint of Electricity Generation

Carbon Footprint of Electricity Generation

Renewable and Low Carbon Energy Generation

Renewable and Low Carbon Energy Generation

Recruiting for the Carbon Generation

Recruiting for the Carbon Generation