IEA-EBC
Korea Micro Energy Grid (K-MEG) & Global Pilot Projects
Youngmin Kwon, Ph.D.
November 11, 2015
Ⅰ
K-MEG & MEG Biz Models
1. K-MEG Overview
2. K-MEG Concept
3. MEG Biz Area
4. MEG Biz Modeling
Ⅰ
K-MEG & MEG Biz Models
1 K-MEG Overview
Overview
MOTIE: Ministry of Trade, Industry & Energy
KETEP: Korea Institute of Energy Technology
Evaluation and Planning
Objectives
• Program Title
: Korea Micro Energy Grid (K-MEG)
• Administrators
: MOTIE / KETEP
• Principal Leader
: Samsung C&T
• Participants
: 60 members
• Program Budget
: Approx. 80 mil. USD
• Program Period
: July 2011 ~ September 2014
To Develop ICT-based Active Energy Solutions & Business Cases
Implementing
BAS: Building Automation System
EMS: Energy Management System
BEMS: Building EMS
DR: Demand Response
DER: Distributed Energy Resources
Adv. Monitoring Infrastructure (AMI)
BAS
Demand Side Management
EMS / BEMS
Automated DR & Peak Control
DER / Renewables
Energy Shifting & Sharing
Cyber Security, etc.
• Fitted for building(s), building groups, communities or off-sites
• Up to 30% energy efficiency improvement (savings)
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Ⅰ
K-MEG & MEG Biz Models
2 K-MEG Concept
Custom Modeling w/ Micro Energy Blocks (MEB)
Macro Grids
• ICT-based energy management & operation
• Optimizing energy supply & consumption
[MEB Components of Energy Supply/Management]
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Ⅰ
K-MEG & MEG Biz Models
2 K-MEG Concept - Example
F
A
Cities
A
B
C
Communities
E
D
E
Complexes
(Building Groups)
F
·
·
·
·
Buildings
Cells
(Unitary Spaces / Zones)
D
B
C
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Ⅰ
K-MEG & MEG Biz Models
3 MEG Biz Area
Customer Oriented Micro Energy Grid (MEG) Optimizing Supply & Consumption of Electricity/ Heat/ Gas
Macro Grid Market
Smart
Grid
Elec.
Gener
ation
Transmission
Micro Grid Market
Distribution
Customer
Solution
Renew
-ables
Heat
Grid
Heat
Gener
ation
Solution
Transit
Customer
Solution
Wasted
Heat
Gas
Grid
Off
Grid
Storage
Solution
Storage/
Depressurization
Transit
Bio
Solution
Area of New Biz Opportunities
Coal
(Low Grade)
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Ⅰ
K-MEG & MEG Biz Models
4 MEG Biz Modeling
9 MEG Business Models Developed
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Ⅰ
K-MEG & MEG Biz Models
4 MEG Biz Modeling
12 Initiative Projects
- 7 Domestic
- 5 Overseas
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Ⅱ
K-MEG Global Pilot Projects
1. Projects Configuration
2. Advanced Monitoring Platform
3. Domestic Projects
4. Overseas Projects
Ⅱ
K-MEG Global Pilot Projects
1 Projects Configuration
Initiative
Applicable Scale
Applicable Sector
Existing/Developed
City
Community
Scope
Pilot Projects
Infra Improvement
-
Infra Construction
-
New/Undeveloped
Off-Grid Independent Infra
Off-Grid PV (Myanmar)
Regenerative Heat
Shihwa Industrial Complex
Industrial
Complex
Waste to Energy (WTE)
Commercial
Central Cooling/Heating
-
Group Management
(Gwanggyo Techno-Valley), COEX
Central Control by Operator
GSBC, Guardian / Montgomery (USA)
Unitary Control by User
G-Valley
Remote (Cloud) Control/Management
SejongCity First Town,VTT-Aalto (Finland)
Building
Dedicated Cooling/Heating
Operation
Central Energy Command Ctr.
Innovative
Applicable Scale
Applicable Sector
Generation
DER
Transmission
Renewable
Operation
DSM
Scope
Pilot Projects
Plasma Enhanced Energy Gen.
Hwasung PE-IGG
DC Distribution
Seoul National Univ.
Sensor Network & AutoDR
CITRIS HQ (USA)
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Ⅱ
K-MEG Global Pilot Projects
2 Advanced Monitoring Platform
Advanced Energy Monitoring & Demand Side Management
Advanced Monitoring & Real-time Analytics
Building Level
Zone/Floor Level
Unit/Space Level
K-MEG E-TOC
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects
Seoul Metro
GSBC &
Gwanggyo Techno-Valley
Sejong City
First Town
G-Valley
Seoul
National Univ.
COEX
PE-IGG
Shihwa
Industrial Complex
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 1) G-Valley
Overview
Primary Scope
• Advanced monitoring: smart meters & AMI, smart sensors
• Cell-BEMS: compact BEMS platform for unitary space (1 bldg)
• Peak load management in use of emergency gen. and DR
• TOU (Time of Use) simulations in connection with elec. market
• Other ECMs: LED, user feedback service
Results
Period
Site Overview
Buildings
Energy Saving
13 bldgs
(AMI headend installed)
10.4%
on average
1 bldg
(Cell-BEMS applied)
17%
13 bldgs
(AMI headend installed)
13.9%
on average
7/2013 ~ 6/2014
• Location
: Guro Digital Industrial Complex, Seoul, Korea
• Built
: 2000s
• Use
: office, factory, retail, etc.
• PJT Size
: 17 buildings in Complex 1
7/2014 ~ 6/2015
Next Step
Biz Case
• Unitary Space energy management tool/service
Goal
• Continuous gathering and analysis of energy data
• Monitoring of emergency generators operated to control
peak load during winter season
• 15% energy saving
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 1) G-Valley
Details
Unitary Space Energy Management Tool: Cell-BEMS
• Implemented at 120 units of Ace Techno Tower 8
• Control of dedicated air conditioning systems & lights
• Integrated control of individual units for peak load management
Peak Load Management w/ Emergency Generators
• Implemented at Ace High-end Tower 2
• Expected savings to be approx. 2.9%/yr ($24k USD/yr)
• Possible resource for Demand Response
TOC
Demand
Response
Signal
1
3
Input of DR Participation
& Generation Info
5
Delivery of Output
from Em. Control
Operational Modes
n
: Demand Response Mode
n
: Peak Cut Mode
n
: Emergency Mode
1
Operation
4
3
6
5 Real-time
1
2
Control
Emergency
Control
4
2
Peak Control
Scenario Selection
3
Emergency Control
Scenario Selection
Local Agent
eCodi
Generator
5
4
2
Info Acquisition about
Emergency Situation
Data Acquisition
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 1) G-Valley
Data Analysis
• Energy data cluster analysis performed on 1552 cell units of 8 buildings
- Analysis of annual energy consumption by unitary cell
- Analysis of average daily energy consumption over weekdays and seasons
- Analysis of correlation btw seasonal energy consumption and outdoor air temperature
[Average Daily Electricity Consumption by Season
- Cell Units of Ace Twin-tech Tower 2]
[Correlation btw Seasonal Elec. Consumption & Outdoor Air Temp.
- Cell Units of Ace Twin-tech Tower 2]
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 1) G-Valley
Data Analysis
• Predictive analytics w/ potential demand resources
- Analysis of amount of energy consumption varied per temperature change by season
- Whole building control vs cluster control of cell units
Analysis on Cell Units of Ace Twin-tech Tower 2
- Control in energy consumption of 67% (during summer) and 48% (during winter) of cell units resulted corresponding to that of whole bldg
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 2) Shihwa Industrial Complex
Overview
Primary Scope
• Heat Grid supplying/trading processed steam
• SPC joint venture investment
- Total budget: 8M USD
- ESCO financing: 7M USD (6 year repayment)
• Design Steam Supply
- 59,000 ton/yr (average 9 ton/h)
Operation
• Actual Steam Supply: average 7 ton/h
Site Overview
Note
• Location
: Ansan City / Siheung City, Gyeonggi, Korea
• Built
: 2006
• Use
: Steel/petro-chemistry/paper manufacturing, etc.
• PJT Size
: 1 heat/steam provider, 3 consumers
• ESCO finance repayment period increased
• Business Swing Factor: variation in energy price
- Price of LNG decreased recently
→ Local steam generation becomes an option
Biz Case
• Heat energy based MEG in use of wasted process heat
Goal
• Recycle wasted heat generated from manufacturing process
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 2) Shihwa Industrial Complex
Expansion Plan: Shihwa Industrial Complex & MTV Complex
Phase 2 – Expansion across Shihwa Industrial Complex
• Heat Grid expanded across Shihwa Industrial Complex
Phase 1 – K-MEG Project
• Heat Grid on partial Shihwa Industrial Complex
도스
템
풍년
한영
450m
Piping Work
completed
Expansion to MTV New Industrial Complex
성림
유화
Providers
• Biz modeling integrating PV, heat recovery, fuel cell
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 3) GSBC & Gwanggyo Techno-Valley
Overall Project Plan
Phase 1
GSBC
Phase 3
Integration
Cooling
Tower
Phase 2
Gwanggyo Techno-Valley
GSBC
R&DB
Center
Bio-Center
KANC
Sub-station
Sub-station
Sub-station
Sub-station
MEG
Plant
Cooling/Heating Energy
from MEG Plant
Energy Sharing
(FAB Wasted Heat Recovery)
Phase 1: Electricity/Gas oriented MEG
Phase 2: Heat oriented MEG
Phase 3: Integrated MEG
* Phases 2 & 3 currently suspended
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 3) Phase 1: GSBC
Overview
Primary Scope
• Building energy management platform
- Integrated w/ BAS/BEMS, smart meters & smart sensors
- Building energy analytics & prediction
- Peak control
• MEG Plant: fuel cell-heat pump hybrid heat/elec. generation
• Other ECMs: LED, wasted heat recovery
Results
Period
Condition
Energy Saving
7/2013 ~ 6/2014
w/o MEG Plant
18.3%
7/2014 ~ 6/2015
w/o MEG Plant
17.7%
Site Overview
• Location
: Gwanggyo Techno-Valley, Suwon, Korea
• Built
: 2001
• Use
: office/convention/auditorium
• PJT Size
: office bldg + exhibition ctr. (GFA: 48,650 m2)
Biz Case
• DER integrated building energy grid
Goal
• 20% energy saving (30% w/ MEG Plant contribution)
• MEG Plant Contribution: approx. 8% energy saving
Next Step
• Continuous gathering and analysis of energy data
• Operational improvement by data analysis
• Operational algorithm update & optimal control w/ BEMS
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 4) Sejong City First Town
Overview
Primary Scope
• City-wide energy operational platform
- Development of city-wide energy command center
- Gateway development for heterogeneous BAS integration, etc.
• Operation strategies integrating multiple renewable sources
- Optimal operation of geothermal energy w/ PV & ESS
Results
Site Overview
• Location
: Sejong City, Korea
• Built
: 2012~2013
• PJT Size
: 5 buildings (4 public, 1 educational)
- Community Service, Post Office, Police Office, Fire Stn., School
Period
Buildings
Energy Saving
7/2014 ~ 6/2015
5 bldgs
17.1%
on average
Next Step
• Continuous gathering and analysis of energy data
• Upgrade of remote energy services and operation
Biz Case
• Centralized remote energy monitoring & operation
Goal
• 15% energy saving
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 5) Seoul Nat’l Univ.
Overview
Primary Scope
• DC power resources & distribution system
- Renewables: rooftop PV 35kW, BIPV 20kW
- AC/DC hybrid switchgear (500kW), ESS (40kW)
• Development & application of DC appliances
- DC LED, DC office appliances (PC, TV), etc.
• Development of DC power operational system
Results
• 4.3% energy saving (3/2015~5/2015)
Site Overview
Next Step
• Location
: Seoul Nat’l Univ., Seoul, Korea
• Built
: 1970 (renovated: 2013)
• Continuous gathering and analysis of energy data
• Use
: classroom, lab, office
• Improvement & optimization in DC operation
• PJT Size
: Eng. Bldg. #33 (GFA: 2,300 m2)
Biz Case
• DC power distribution technology
Goal
• 10% energy saving
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 5) Seoul Nat’l Univ.
Conceptual Diagram
• AC/DC Hybrid Switchgear
• AC/DC Cabling
• ESS, etc.
• DC LED (1,500 sets), etc.
• Rooftop PV
• BIPV
• Operation Center
• DC Appliances
[DC Monitoring & Analytics]
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Ⅱ
K-MEG Global Pilot Projects
3 Domestic Projects – 6) PE-IGG (Plasma Enhanced Integrated Gasification & Generation)
Overview
Site Overview
• Location
: Hwasung, Korea
• PJT Size
: Test bed w/ 500kW PE gasification system
Biz Case
• PE-IGG plant based independent energy supply microgrid
Goal
• Development of PE-IGG technologies and plant using low
grade coal or biomass
Primary Scope
• Steam plasma gasification w/ low grade coal
• Development of 75kW steam plasma torch
• Development of synthetic gas purification system
Results
• 75kW steam plasma torch developed
• 500kW PE gasification system developed and demonstrated
Note
• Power conversion technology development & capacity increase
in progress w/ another national R&D program
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects
VTT-Aalto Univ.
- Finland
Off-Grid
- Myanmar
CITRIS HQ
- Berkeley, USA
Montgomery Bldg.
- Chicago, USA
Guardian Bldg.
- Detroit, USA
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 1) VTT-Aalto Campus
Overview
Primary Scope
• Electricity & district heat combined energy efficiency
• Building energy control
- BEMS, NIALM smart meters, smart sensors
- Energy saving web applications, user feedback
- Occupancy sensor linked cooling/heating
• Campus building group management
- BAS integration, central energy operation center
Results
Site Overview
• 10% energy savings on average (8 buildings)
• Location
: Espoo, Finland
• Built
: 1970s
• Use
: national lab (VTT), college campus (Aalto), hotel
• Continuous gathering and analysis of energy data
• PJT Size
: 8 bldgs (full scope), 80 bldgs (monitoring only)
• Operational improvement by data analysis
Next Step
Biz Case
• Centralized remote monitoring & building group management
Goal
• 15% energy saving
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 1) VTT-Aalto Campus
Conceptual Diagram
Advanced Monitoring
BEMS
User Feedback
Mobile Applications
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 1) VTT-Aalto Campus
Campus Level Group Management Platform & Energy Operation Center (EOC)
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 2) Guardian Building (Wayne County HQ)
Overview
Primary Scope
• Establishment of a business reference in N. America
• Development of a business case for global retrofit market
• Building energy control: BAS/BEMS, smart meters/sensors
• Advanced Building energy monitoring
- Energy Operation Center (EOC)
- Expandable system for multi-building remote monitoring
• Peak management: AutoDR & DRMS (demo only)
Results
Site Overview
• 9.6% energy savings (summer 2014)
• Location
: Detroit, Michigan, USA
• Built
: 1929 (renovated: 2008)
• Use
: office, retail
• Continuous gathering and analysis of energy data
• PJT Size
: 40 storeys (GFA: 50,300 m2)
• Operational improvement by data analysis
Next Step
Biz Case
• BEMS integrated commercial building energy efficiency
Goal
• 10% energy saving
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 2) Guardian Building (Wayne County HQ)
Conceptual Diagram
TOC
EOC
(Korea)
DRMS
Other Wayne County Buildings
Guardian Building
K-MEG BEMS
System Interface
BAS System
K-MEG BAS System
DDC
DDC
Additional Devices
Local Controller
Actuators
AHU
FCU
Sensors
AHU
Actuators Sensors
Cooling
Tower
Chiller
Boiler
VAV
Existing Siemens Control System
New K-MEG Control System
(Wayne County Floors)
(Lease Floors)
Sensors Inverters Actuators
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 2) Guardian Building (Wayne County HQ)
Energy Operation Center (EOC) & BEMS Analytics
EOC
BEMS Demo
EOC Screen
Energy Use Analysis
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 3) Montgomery Building
Overview
Primary Scope
• Establishment of a business reference in N. America
• Development of a business case for global retrofit market
• Building energy control
- BAS upgrade & integration, BEMS
- Smart meters/sensors
Results
• 9.5% energy savings (summer 2015)
Next Step
Site Overview
• Location
: Chicago, Illinois, USA
• Continuous gathering and analysis of energy data
• Built
: 1974 (renovated: 2005)
• Operational improvement by data analysis
• Use
: mixed (residential/retail)
• PJT Size
: 28 storeys + enclosed parking lot (GFA: 50,600 m2)
Biz Case
• BEMS integrated mixed-use building energy efficiency
Goal
• 10% energy saving
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 3) Montgomery Building
Conceptual Diagram
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 4) CITRIS HQ
Overview
Primary Scope
• Smart sensor network & operational system
• Operational technologies for peak load management
- Smart sensor based real-time monitoring
- AutoDR (Deep DR/Fast DR) applied facility control
• Development of big energy DB technology
• Thermal comfort based building energy control
Results
• 30% peak control demonstrated
Site Overview
Next Step
• Location
: UC Berkeley, Berkeley, California, USA
• Built
: 2010
• Continuous gathering and analysis of energy data
• Use
: office, lab, lecture rooms, etc.
• Grid-tied building energy management
• PJT Size
: 7 storeys (GFA: 13,100 m2)
Biz Case
• Smart sensor network integrated building energy efficiency
Goal
• 30% peak energy saving
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 5) Myanmar Off-Grid
Overview
Primary Scope
• PV Power Plant (50kW)
- Fixed PV system (30kW)
- Modular home PV system (20kW)
- Others: solar pump, LEG street lights
• Technology for simultaneous battery recharging w/ multi-ports
• Operation system for DC distribution & DC appliances
Site Overview
• Location
: Khaloke Village, Yangon, Myanmar
• PJT Size
: 550 homes (3,413 residents)
Biz Case
• PV based Off-Grid independent energy supply
Goal
• Off-Grid biz case development for underdeveloped countries
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Ⅱ
K-MEG Global Pilot Projects
4 Overseas Projects – 5) Myanmar Off-Grid
Project Details
Village Off-Grid 30kW
Village Power Supply Model
•
•
•
•
Fixed ground/rooftop systems
PV panels, batteries, inverters, auxiliary Systems
Public Load: LED street lights, battery recharging system
Acquisition of power generation data
Battery Recharging System
• Recharging of batteries used at homes
• Constructed at village public center and temple
• Unitary recharging system w/ individual BMS module
Home Off-Grid 20kW
Home Power Supply Model
• PV power generation w/ single PV module
• PV plant, MPPT control, charger/discharger unified BMS system
• System Composition (80 sets): 250W PV module, 250W ESS,
controller, inverter, battery
• AC Feeding: 220V 50Hz AC power feeding using inverter
• DC feeding: DC power feeding using battery joint clip
• 4 hrs lasted at 150W load
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Korea Micro Energy Grid (K-MEG) & Global Pilot Projects
Youngmin Kwon, Ph.D.