Energy Storage System Project Management Plan

Technology Integration to Business course
2013 Spring
Energy Storage System
(Lithium-ion Battery with Wind Power)
Jaeho Jung

Project Management Energy Storage System
NEEDS
A Table of Contents
1. Project Integration Management
2. Project Scope Management
3. Project Time Management
4. Project Cost Management (Financial Scenarios included)
5. Project Quality Management
6. Project Human Resource Management
7. Project Communications Management
8. Project Risk Management
9. Project Procurement Management
10. Appendix (Market Research)

Project Integration Management Energy Storage System
NEEDS
Project Charter
Project Title: Installation of Energy Storage at Wind-Farm on Jeju Island
Project Start Date: June 1, 2013 Project Finish Date: December 31, 2013
Budget Information: Jeju Smart-Grid Institute allocates KRW 3500M for this project, and
more funds from the government are no more available. The majority of costs will be
internal labor. Vendors for battery systems will be taken domestically.
Project Manager: Jay Jae Jung, (404) 862-6019, dreamfct@gmail.com
Project Objectives: It is a crucial project for the smart grid system of Jeju Island to
deliver high quality and more reliable wind power with the most efficient energy storage
system.
Main Project Success Criteria: A chosen energy storage system should satisfy the
minimum storage capacity with a less expensive rate.
Approach: Research on which ESS is suitable for the wind-farm site in Hangwon.
Roles and Responsibilities: Nick/Sponsor/CEO, Susan/Team member/Chemist
Sing-Off:

Project Integration Management Energy Storage System
NEEDS
Project Management Plan
Section
Headings
Section Topics
Overview
Goal: To alleviate fluctuation rates of power, and then to increase the stability of the grid
Objectives: To measure an appropriate battery capacity by a means of computer simulations
Assumptions: The case of Hangwon wind-farm site on Jeju Island (9.8MW)
Deliverables: The most efficient and suitable battery system
Scope: Cost-benefit comparison of currently commercialized energy storage systems
Project
Organization
Internal Organization: TF team at the Jeju Smart-Grid Institute
External Organization: TF team at Ministry of Knowledge Economy
Managerial
Process Plan
Top Management’s Priority: To install proper battery capacities by May, 2014
Project Controls: Monthly meeting with all stakeholders, weekly meeting with teams
Tools: Gantt Chart Change Control: Business Planning Div. at the government
Technical
Process Plans
Data mining to gain information, Computer simulation to prevent risks and pursue efficiency
Supporting
Process Plans
Verification and validation plan; Documentation plan; Quality assurance plan; reviews and
audits; Problem resolution plan; Subcontractor management plan; Process improvement plan

Project Scope Management Energy Storage System
NEEDS
Project Scope
Location: Hangwon wind-farm site on Jeju Island
Total capacity: 9.8MW (15 wind turbines in 2003)
Power system: Grid connection to the Sungsan secondary substation
Power Fluctuations: 03/2009-02/2010 Data, collected from the SCADA system
(Supervisory Control and Data Acquisition – Korea Power Exchange)
Sections 600kW-2EA 660kW-7EA 225kW-1EA 750kW-5EA
Turbine size 42m 47m 27m 48.5m
Tower height 45m 45m 30m 45m
Noise 99dB 102dB 94dB 98.5dB
Type V-42 V-47 V-27 NM750/48
Manufacturer/
Constructor
VESTAS(Denmark)
/Hyosung
VESTAS(Denmark)
/Hyosung
VESTAS(Denmark)
/Hyosung
NEG-
Micon(Denmark)
/STX

Project Scope Management Energy Storage System
Work Breakdown Structure (WBS)
Initiating
1.1 Kickoff
meeting
1.2 Develop
project charter
1.3 Charter
signed
Planning
2.1 Develop
project plans
2.2 Review
project plans
2.3 Project
plans
approved
Executing
3.1 Analysis
3.2 Design
3.3
Implementation
3.4 System
implemented
Controlling
4.1 Status
reports
4.2 Report
performance
4.3 Control
changes
Closing
5.1 Prepare
final report
5.2 Present
final project
5.3 Project
completed

Project Time Management Energy Storage System
NEEDS
Project Lead:Jay Jae Jung
Today's Date:2013-07-18 (vertical red line)
Start Date:2013-07-01 (Mon) 0
WBS Tasks Task Lead Start End
Duration(Days)
%Complete
DaysComplete
DaysRemaining
7-1-13
7-8-13
7-15-13
7-22-13
7-29-13
8-5-13
8-12-13
8-19-13
8-26-13
9-2-13
9-9-13
9-16-13
9-23-13
9-30-13
10-7-13
10-14-13
10-21-13
10-28-13
11-4-13
11-11-13
11-18-13
11-25-13
12-2-13
12-9-13
12-16-13
12-23-13
12-30-13
1 Initiating Jay 7-01-13 7-11-13 10 100% 10 0
1.1 Kickoff meeting with stakegolders 7-01-13 7-02-13 1 100% 1 0
1.2 Develop project charter 7-02-13 7-09-13 7 100% 7 0
1.3 Charter signed 7-10-13 7-11-13 1 100% 1 0
2 Planning Susan 7-11-13 10-14-13 95 6% 5 90
2.1 Develop project plan 7-11-13 10-06-13 87 10% 8 79
2.1.1 Business process analysis 7-18-13 7-20-13 2 50% 1 1
2.1.2 Team formation 7-20-13 7-31-13 11 0% 0 11
2.1.3 Technology assessment 8-01-13 8-15-13 14 0% 0 14
2.1.4 Technology vendor selection 8-16-13 8-23-13 7 0% 0 7
2.1.5 Stakeholder identification 8-23-13 8-30-13 7 0% 0 7
2.1.6 Business case development 8-31-13 10-06-13 36 0% 0 36
2.1.6.1 Gap analysis 8-31-13 9-14-13 14 0% 0 14
2.1.6.2 Cost-benefit analysis 9-15-13 10-06-13 21 0% 0 21
2.2 Decide the type of ESS 10-07-13 10-14-13 7 0% 0 7
3 Executing Jan 10-15-13 11-22-13 38 0% 0 38
3.1 Collect data of fluctuations of power 10-15-13 10-22-13 7 0% 0 7
3.2 Data analysis 10-23-13 11-02-13 10 0% 0 10
3.3 Perform computer simulation 11-03-13 11-10-13 7 0% 0 7
3.4 Output comparison 11-11-13 11-18-13 7 0% 0 7
3.5 Decide the capacity of ESS 11-18-13 11-22-13 4 0% 0 4
4 Controlling Audrey 7-01-13 11-22-13 144 0% 0 144
4.1 Status reports 7-18-13 10-15-13 89 0% 0 89
4.2 Report performance 7-18-13 10-15-13 89 0% 0 89
4.3 Control changes 7-18-13 11-22-13 127 0% 0 127
4.4 Risk management 7-01-13 11-22-13 144 0% 0 144
5 Closing Jay 11-23-13 12-31-13 38 0% 0 38
5.1 Prepare final report 11-23-13 12-13-13 20 0% 0 20
5.2 Present final project 12-14-13 12-15-13 1 0% 0 1
5.3 Project completed 12-31-13 12-31-13 0 0% 0 0
Gantt Chart

Project Cost Management Energy Storage System
NEEDS
Annual Inflation Rate (1998 – 2011)

NEEDS
Cost Estimate (1998 - 2012)
Section Content (scale: KRW)
Business Life
History
1998: The wind-farm commercially operated (2 units)
2003: Construction finished (15 units)
2010: 1 unit disused (14 units)
2011: 2 units newly equipped (16 units)
2012: 4 units disused (12 units)
Service Life 20 years for each unit (First-in, First-out), then each unit should be replaced
Revenue = Sales price X Power generation
Labor Cost 30,000,000/a worker/year (3 workers needed)
CAPEX 1998: 2,000,000 / 2001: 700,000 / 2002: 2,000,000 (Governmental grant: 23% of total)
O&M 6,000,000/unit
SG&A 30,000,000/year
Net Income 10,088,769,000 (from 1998 to 2012)
Inflation Avg. 2.71%
NPV 10,912,610,000 (from 1998 to 2012)

NEEDS
Cost Estimate Excel Data (1998 - 2012)
Year 1998(2EA) 1999(5EA) 2000(7EA) 2001(9EA) 2002(12EA) 2003(15EA) 2004(15EA) 2005(15EA) 2006(15EA) 2007(15EA) 2008(15EA) 2009(15EA) 2010(14EA) 2011(16EA) 2012(12EA) 2013(12EA)
Power Capacity(kW) 1,200 2,745 4,245 5,565 7,815 9,795 9,795 9,795 9,795 9,795 9,795 9,795 9,795 9,795 11,550 11,550
Power Generation(MWh) 800 4,900 9,060 11,290 13,225 18,561 16,964 16,964 16,964 16,964 16,964 16,964 15,833 16,803 13,572 13,572
Sales Price (KRW/kWh) 54.84 60.93 60.23 63.51 65.36 65.97 87.41 87.41 87.41 87.41 87.41 87.41 88.94 88.94 88.94 88.94
Revenue(K) 44,013 298,500 546,600 717,014 864,400 1,224,469 1,482,823 1,482,823 1,482,823 1,482,823 1,482,823 1,482,823 1,408,187 1,494,459 1,207,094 1,207,094
CAPEX(K) 2,000,000 700,000 2,000,000
O&M(K) 12,000 30,000 42,000 54,000 72,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000
SG&A(K) 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000
3 people - Labor Cost(K) 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000
Net Income - 2,087,987 148,500 384,600 - 156,986 - 1,327,600 1,014,469 1,272,823 1,272,823 1,272,823 1,272,823 1,272,823 1,272,823 1,198,187 1,284,459 997,094 997,094
Inflation 5.00% 0.60% 1.60% 3% 2.10% 2.70% 2.90% 2.30% 1.90% 2.20% 4.30% 2.60% 2.90% 4% 2.50% 2.71%
Discount Rate (from 2013) - 2,192,386 149,391 390,754 - 161,696 - 1,355,480 1,041,860 1,309,735 1,302,098 1,297,007 1,300,825 1,327,555 1,305,917 1,232,934 1,335,837 1,022,021
Modified Net Income
(from 1998 to 2012)
- 2,205,541 151,781 402,476 - 165,091 - 1,392,078 1,072,074 1,339,859 1,326,838 1,325,541 1,356,761 1,362,071 1,343,788 1,282,252 1,369,233
- 2,240,829 156,335 410,928 - 169,549 - 1,432,448 1,096,731 1,365,316 1,356,028 1,382,539 1,392,037 1,401,571 1,397,540 1,314,308
- 2,308,054 159,618 422,023 - 174,466 - 1,465,394 1,117,569 1,395,353 1,414,338 1,418,485 1,432,406 1,457,634 1,432,478
- 2,356,523 163,927 434,262 - 178,478 - 1,493,237 1,142,156 1,455,353 1,451,110 1,459,621 1,489,702 1,494,075
- 2,420,149 168,681 444,250 - 181,869 - 1,526,088 1,191,269 1,493,193 1,493,193 1,518,006 1,526,944
- 2,490,334 172,561 452,691 - 185,870 - 1,591,710 1,222,242 1,536,495 1,552,920 1,555,956
- 2,547,611 175,840 462,650 - 193,863 - 1,633,094 1,257,687 1,597,955 1,591,743
- 2,596,016 179,708 482,544 - 198,903 - 1,680,454 1,307,994 1,637,904
- 2,653,128 187,436 495,090 - 204,672 - 1,747,672 1,340,694
- 2,767,213 192,309 509,448 - 212,858 - 1,791,364
- 2,839,161 197,886 529,826 - 218,180
- 2,921,496 205,801 543,071
- 3,038,356 210,946
- 3,114,315
Sum - 2,087,987 - 2,043,886 - 1,671,550 - 1,855,280 - 3,238,539 - 2,292,079 - 1,081,142 160,328 1,436,839 2736962 4,069,999 5,517,832 6,859,482 8,342,866 9,673,675 10,912,610

NEEDS
Cost Estimate (2013 - 2023) – Scenario 1
Business Life
Cycle
2013-2023: Forecast with Lithium-ion battery (1,333$/kWh -> 1,466,300 KRW/kWh)
* 20% of total capacity for battery capacity is needed: 2,310kW -> KRW 3,387,153,000
Service Life
20 years for each unit (First-in, First-out), then each unit should be replaced
* From 2018, 2 units will be replaced with new units
Labor Cost
30,000,000/a worker/year (3 workers needed)
* Avg. 2.71% inflation rate considered annually
CAPEX
1998 -> 2018: 2,000,000,000(23%) -> 8,695,652,000(100%)
2001 -> 2021: 700,000,000(23%) -> 3,043,478,000(100%)
2002 -> 2022: 2,000,000,000(23%) -> 8,695,652,000(100%)
O&M 6,000,000/unit
SG&A 30,000,000/year
Discount Factor 7.0%
DCF -7,715,201,000 (from 2013 to 2023) –> -5,889,087,000 (Add ESS)

NEEDS
Capital Cost of Lithium-ion Battery (2013 – 2023)

NEEDS
Cost Estimate Excel Data (2013 - 2023) – Scenario 1
Year 2013(12EA) 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023
Power Capacity(kW) 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550
Power Generation(MWh) 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572
Add Power Generation(MWh) 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714
Sales Price (KRW/kWh) 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94
Revenue(K) 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094
Add Revenue(K) 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419
CAPEX(K) - Replacement 8,695,652 3,043,478 8,695,652
O&M(K) 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000
SG&A(K) 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000
3 people - Labor Cost(K) 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000
Lithium-ion Battery(K) 3,387,153
Net Income -2,148,641 1,238,512 1,238,512 1,238,512 1,238,512 -7,457,140 1,238,512 1,238,512 -1,804,966 -7,457,140 1,238,512
Inflation 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71%
Discount Rate (from 2013) 7% 7% 7% 7% 7% 7% 7% 7% 7% 7%
DCF(K) -5,889,087 1,081,765 1,010,995 944,855 883,042 -4,969,007 771,283 720,826 -981,782 -3,790,832 588,408

NEEDS
Cost Estimate (2013 - 2023) – Scenario 2
Business Life
Cycle
2013-2023: Forecast with Lithium-ion battery (1,333$/kWh -> 1,466,300 KRW/kWh)
* 20% of total capacity for battery capacity is needed: 2,310kW -> KRW 3,387,153,000
Service Life
20 years for each unit (First-in, First-out), then each unit should be replaced
* From 2018, 2 units started to replace with new units
Labor Cost
30,000,000/a worker/year (3 workers needed)
* Avg. 2.71% inflation rate considered annually
CAPEX
1998 -> 2018: 2,000,000,000(23%) -> 8,695,652,000(100%)
2001 -> 2021: 700,000,000(23%) -> 3,043,478,000(100%)
2002 -> 2022: 2,000,000,000(23%) -> 8,695,652,000(100%)
O&M 6,000,000/unit
SG&A 30,000,000/year
Discount Factor 7.0%
DCF 1,424,822,000 (from 2013 to 2023) -> 3,205,936,000 (Add ESS)

NEEDS
Cost Estimate Excel Data (2013 - 2023) – Scenario 2
Year 2013(12EA) 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023
Power Capacity(kW) 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550 11,550
Power Generation(MWh) 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572 13,572
Add Power Generation(MWh) 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714 2,714
Sales Price (KRW/kWh) 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94 88.94
Revenue(K) 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094 1,207,094
Add Revenue(K) 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419 241,419
CAPEX(K) - Replacement 2,000,000 700,000 2,000,000
O&M(K) 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000
SG&A(K) 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000
3 people - Labor Cost(K) 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000
Lithium-ion Battery(K) 3,387,153
Net Income -2,148,641 1,238,512 1,238,512 1,238,512 1,238,512 -761,488 1,238,512 1,238,512 538,512 -761,488 1,238,512
Inflation 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71% 2.71%
Discount Rate (from 2013) 7% 7% 7% 7% 7% 7% 7% 7% 7% 7%
DCF(K) 3,250,936 1,081,765 1,010,995 944,855 883,042 -507,411 771,283 720,826 292,915 -387,102 588,408

Project Quality Management Energy Storage System
NEEDS
Quality Assurance
1. Regulations: Work, materials and equipment shall comply with the latest rules and regulations specified in
National Fire Protection Association (NFPA).
2. Discrepancies: The Drawings and Specifications are intended to comply with listed codes, ordinances,
regulations and standards. Where discrepancies occur, immediately notify the Owner’s Project Manager in
writing and ask for an interpretation. Should installed materials or workmanship fail to comply, the
Contractor is responsible for correcting the improper installation at no additional cost to the
Owner. Additionally, where sizes, capacities, or other such features are required in excess of minimum
code or standards requirements, provide those specified or shown.
3. Contractor Qualifications: An acceptable Contractor for the Work under this Division must have personnel
with experience, training and skill to provide a practical working system. The Contractor shall furnish
acceptable evidence of having installed not less than three systems of size and type comparable to this
Project. All personnel installing equipment under this Division shall possess valid City of Houston and State
of Texas licenses for their skill level. Each Journeyman shall supervise no more than two apprentice
helpers. Refer also to Owner’s Special Conditions.

Project Quality Management Energy Storage System
NEEDS
Delivery, Storage, and Handling
1. All equipment and materials shall be delivered to the Project Site clean and sealed for protection.
2. Moisture: During construction, protect switchgear, transformers, motors, control equipment, and other
items from insulation moisture absorption and metallic component corrosion by appropriate use of strip
heaters, lamps or other suitable means. Apply protection immediately upon receiving the products and
maintain continually.
3. Damage: Take such precautions as are necessary to protect apparatus and materials from damage. Failure
to protect materials is sufficient cause for rejection of the apparatus or material in question.
4. Finish: Protect factory finish from damage during construction operations until acceptance of the
Project. Restore any finishes that become stained or damaged to Owner’s satisfaction.

Project Human Resource Management Energy Storage System
NEEDS
Recruiting talented people for the project
Project manager is
fully responsible
for the task
External experts
(Electricity, ICT, Statistics, Chemistry)
CEO(Nick), Project manager(JAY)
Internal members
(procurement, manufacturing, logistics)
Jeju City Smart Grid officer

Project Human Resource Management Energy Storage System
Developing the project team

Project Communication Management Energy Storage System
Stakeholder Communications Analysis
Stakeholders
Document
Name
Document
Format
Contact
Person
Due
Jeju City Smart Grid Center
Monthly status
report
Hard copy and meeting John First of month
Wind-Farm site manager
Cost-benefit
raw data
Hard copy and E-mail Terry June 20
Jeju Utilities officer
Monthly status
report
Hard copy and E-mail Kim First of month
Jeju governor
Monthly status
report
Hard copy and meeting Ahn First of month
Jeju civic group
Weekly status
report
Hard copy and meeting Son First of week
Supplier of batteries
Weekly status
report
Hard copy and E-mail Audrey First of week
Internal R&D team
Weekly status
report
Intranet Susan First of week
Private equity firms
Cost-benefit
analysis report
Hard copy and E-mail David Oct 1

Project Risk Management Energy Storage System
NEEDS
Understanding the uncertainty associated with operating variable generation
systems helps manage the level of risk associated with delivering services.
Figure 1 shows a schematic of energy flow considered in the optimisation framework.
The optimization problem is then to determine not only the charge/discharge profile of
the energy storage device over a period of time, but also to determine the most
appropriate energy mix at any given time for charging the energy storage device and
supplying energy to the grid.

NEEDS
Objective
 Alleviate fluctuations of energy provided from the wind-farm in Jeju Island
 Estimate the optimum capacity of lithium-ion batteries
 Prove the feasibility of the Lithium-ion battery system through a simulation
Simulation Method
 Simulation is the imitation of the operation of a real-world process or system
over time. The act of simulating something first requires that a model be
developed; this model represents the key characteristics or
behaviors/functions of the selected physical or abstract system or process.

NEEDS
Business Case
Secondary
Substation
Primary
Substation
Haenam
Substation

NEEDS
Business Case
 Hangwon wind-farm
• Total capacity: 10.55MW (12 wind turbine units, 04/12)
• Grid connection to the Sungsan secondary substation
• 09-10 Data collected from the SCADA (Supervisory Control and Data
Acquisition – Korea Power Exchange) to analyze fluctuations of energy
per one minute
•
CapacityInstalled
VariationCapacityGenerated
RatesnFluctuatio

NEEDS

NEEDS
Energy fluctuation rates per one minute
 Preparation for the max. fluctuation rate (66%) to install Lithium-ion batteries
Data
Generated
(MW)
Fluctuation
Rate
(MW)
Ratio
(%)
Data
Generated
(MW)
Fluctuation
Rate
(MW)
Ratio
(%)
01/21/2010 6.7 -6.7 -66.6 01/12/2010 3.2 3.9 38.8
06/02/2009 5.5 -3.7 -37.4 01/21/2010 2.5 3.3 32.6
12/15/2009 5.4 -3.2 -32 02/13/2010 3.8 3.2 31.6
02/25/2010 5.6 -2.7 -27 02/18/2010 2.1 3.2 31.4
02/13/2010 6.9 -2.6 -26.4 02/19/2010 4.1 3.1 30.6
07/07/2009 5.6 -2.6 -26 06/02/2009 2.5 3.0 30.3
05/20/2009 5.4 -2.6 -26 02/25/2010 3.9 3.0 30
11/30/2009 6.8 -2.6 -26 01/08/2010 3.8 2.9 29.1
02/04/2010 6.2 -2.9 -25.9 02/12/2010 4.3 2.8 28.3
02/03/2010 6.4 -2.6 -25.7 02/03/2010 4.1 2.8 27.7

NEEDS
Estimate capacities of the Lithium-ion battery system
 Considering generating capacity rate of the Southern Juju coal power plant
- Responsible for the frequency-stability of the Juju grid system (Criteria)
MWh
hMW
MWh
h
time
MWcapacityinstalled
capacityBattery 083.0
2
60
1
10
][
2
][
60
][
.min

NEEDS
Estimate capacities of the Lithium-ion battery system
 However, battery capacities are dependent on a type of batteries and a
condition of controls.
 Lithium-ion battery is capable of performing 5C-rate (20 min. discharging).
※ C-Rate : The C rate is often used to describe battery loads or battery charging.
1C is the capacity rating (Amp-hour) of the battery.
C-Rate C-Rate Hours of Discharge
1C (1 hour rate) 1C 1 hour
C/4 (4 hour rate) 0.25C 4 hours

NEEDS
Lithium-ion battery capacity based on installed capacity
Installed capacity
[MW]
ESS capacity
[MWh]
10MW/min applied C-rate [MWh}
Installed
capacity
Based on
C-rate
1C
(100%)
2C
(50%)
5C
(20%)
10C
(10%)
10 0.08 120 10 5 2 1
20 0.33 60 20 10 4 2
30 0.75 40 30 15 6 3
40 1.33 30 40 20 8 4
50 2.08 24 50 25 10 5
60 3.00 20 60 30 12 6
70 4.08 17.1 70 35 14 7
80 5.33 15 80 40 16 8
90 6.75 13.3 90 45 18 9
100 8.33 12 100 50 20 10
MWhincreasetimesappledrateCcapacityBattery 2240833.024
5
120
5120
0833.0
10

NEEDS
Outcome (Juju island’s case)
 The total installed capacity of wind-farm x 20% = Battery capacity
- Smoothing Energy fluctuations generated from wind-farms
- Preparing for the transient energy drop (covering up 10MW/min)

NEEDS
Simulation result
 To prove the suggestion, we compare real generating data and simulation data.
As a result, we can
expect very stable
generating capacity of
wind-farms by installing
20% of battery capacities.
Also, we expect cost
efficiencies.

Project Procurement Management Energy Storage System
NEEDS
Vendor Selection
Through the government bidding process (competitive bid), select the vendor.
Name
Price
(30%)
Technicality
(20%)
Supportability
(30%)
Flexibility
(10%)
Maintenance
Support(5%)
Sustainability
(5%)
Samsung
SDI
LG
Chemical

Conclusion Energy Storage System
NEEDS
Suggestion for the application of Lithium-ion batteries
Section Scenario 1 Scenario 2 Scenario 3
Governmental
Funds
0% 77%
Funded from
Private equity
ESS costs
(20% of generation capacity)
3,400M 3,400M 3,400M
Net Profit (DCF) -5,889M +3,251M ?
• 77% of costs for the installation of the Wind-Farm site was supported by the government from 1998 to 2003.
• Today, many stakeholders doubt about whether financial execution for the Wind-Farm site was proper or not.
• At the beginning, the site was designed to install 15 wind power units, but only 12 units are working now.
• The issue is replacement costs for all units, durability life of which is 20 years. If so, who will be in charge?
• Under the current economic situation of Korea, we can no longer expect funds from the government.
• Consequently, except for funds from private equities,
Raising electricity prices or Reducing ESS costs can be a solution.

Appendix
Market Research Data
Energy Storage System
To choose which ESS technology and application is the most feasible

More research on markets Energy Storage System

More research on U.S. markets Energy Storage System

(Mega Watts)
Technology Now Estimated 5 yrs Gap Growth % Portion
Pumped Hydro 500 500 0 0% 20.7%
Thermal 1000 1221 221 22% 50.6%
Li-ion 55 310 255 464% 12.9%
CAES 115 112 -3 -3% 4.6%
Lead Acid 45 118 73 162% 4.9%
Nickel 25 26 1 4% 1.1%
Sodium 18 18 0 0% 0.7%
Flywheels 28 105 77 275% 4.4%
Flow 0 2 2 200% 0.1%
Sum 1786 2412 626 35% 100%

(Mega Watts)
Application Now Estimated 5 yrs Gap Growth % Portion
Ancillary Services 48 256 208 433% 10.6%
CES 2 7 5 250% 0.3%
Transmission 44 47 3 7% 1.9%
Renewables 685 820 135 20% 33.8%
Other Distributed 1010 1294 284 28% 53.4%
Sum 1789 2424 635 35% 100%

Revenue forecast Energy Storage System

Demand forecast Energy Storage System

Energy Storage System Project Management Plan

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