Singapore’s Green Building
Energy Efficiency Standards

Evolution of BCA Green Mark Standard
200520072008

2010

2012

2015

2017

Version 1.0 Version 2.0 Version 3.0 Version 4.0 Version 4.1 GM NRB: 2015 GM ENRB: 2017IEQ
4%Other GreenFeatures
4%

GM NRB V4.1
(2012)
Water
Efficiency
9%

EnergyEfficiency
61%

GM SLE

Advanced
Green Efforts
15%
Climatic
Responsive Design
22%

Smart & Healthy
Building
21%

Environmental
Protection
22%

2018

GM NRB: 2015

Resource
Stewardship21%

Building Energy
Performance21%Launch of GM ENRB: 2017 at International Green
Building Conference (Sep 2018)
 Energy monitoring- Sub-metering- Energy dashboard/ portal

 Demand Control
 Integration & Analytics- System integration & optimisation- Demand response- Preventive maintenance Occupant Comfort-

Post Occupancy Evaluation
Thermal comfort with elevated airspeed
IAQ audit

 Indoor Air Quality-IAQ trending & monitoring
IAQ display
Demand control ventilation
Local exhaust & air purging system
Outdoor airflow monitoring system
MERV 14 filters for outdoor airfiltration3

Mandatory Energy Labelling Scheme (MELS) &Minimum Energy Performance Standards (MEPS)
Mandatory Energy Labelling Scheme (MELS)• Air-conditioners• Refrigerators
Minimum Energy Performance Standards (MEPS)• Clothes dryers• Lamps• Motors• Televisions

4Local Building Landscape

Best-in-class Energy Defined
Percentage
Improvement
SLE Buildings --60.0%
SLE

Platinum – GM 2015 50.0%
GM2015

Platinum – GM V4.1 43.7%
Platinum – GM V3.0

GM
V4

38%
GM
V230%

GMV3
Legislation

Baseline as at 2005 0%

SS530: 20068%SS530: 200630%

Legisl
ation

12.5%

SS553
: 2009

5.7%

8%

SS530
: 20068%

20052007

2008

2010

Intro of GM

Launch ofSS530:2006

GMLegislation(Apr 08)

SS553: 2009

7.7%
4.3%

SS530
: 2014

40%Legislation

Legislation
SS553: 2014(10-15%)

30%GM
2015

improvement

12.3%

SS553
: 2014SS530: 20142015

2018

SS530: 2014 andSS553:2014

GM SLELaunchYear

Super Low Energy (SLE) ProgrammeUpcoming SLE Projects

New Green Mark for SLE Buildings

Good LCC fro SLE and ZE Projects

Green Mark for SLE Criteria
Super Low Energy (NRB)

Zero Energy (ALL)a. Minimum Green Mark Gold Awarda.

Minimum Green Mark Gold Awardb. 60% Energy Savings (10% above Platinum)b.

RE ≥ Energy Consumption*c. OR Benchmark EUI requirements for Buildings<5,000m2 AC FA &<500RT)*Note on-site RE shall be optimised prior to use of off-site RE . Use ofoff-site has SLE conditions

Super Low Energy (ENRB)
a. Minimum Green Mark Gold Award

Building TypeEUI

b. Benchmark EUI requirements

Schools25

c. OR Demonstration of Energy Savings

Office100

Hotel/ Retail/ Mixed
Commercial160

Zero Energy Pathways
Zero Energy Direct Route:• 100% Net replacement
through on-site renewables

Off-Site Route• Where a % of off-site
renewables are used.

CERTIFIED GREEN MARK ZERO ENERGYInverter

DC Circuit

Supplyfrom Grid

Mains &Fuse board

EUI to be achieved first
GM Gold
100% Energy Replacement On-Site

NUS SDE4 : Net Zero Energy Building
2. Active Strategies
Hybrid cooling system using ceiling fans andair-conditioning set at a higher temperature(27oC)

3. Smart Energy Management•

Extensive sensors for lighting andcooling systems

4. Renewable Energy

1. Passive Strategies•
Massing to promote comfortable NV spaces
Large roof for shading and to aid withventilation
EUI: 58.4kWh/m2/yr
Cost Premium 5%

Latest high efficiency photovoltaic (PV)panels to offset 100% of its energy
consumption
Project Team:
Client: NUS
Designer: Serie + Multiply Consultants
Architect/MEP/ESD: Surbana Jurong
Specialist: Transsolar Energietechnik

End of Presentation

Mr TOH Eng Shyan

Dr Edward ANGDirector
Green Mark Department (Existing Buildings)
Building and Construction Authority
Singapore

Deputy Director
Green Mark Department (New Development)
Building and Construction Authority
Singapore