1. Brief introduction of Hitachi 2. JUMPSmartMaui Ph1 3. JUMPSmartMaui Ph2 4. Other solutions from Hitachi

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2 1-1. Business fields of Hitachi (FY2013) Financial Services Others (Logistics and Other services) 13% 3% 18% Information & Telecommunication Systems Smart Life & Ecofriendly Systems 7% Revenues 7% Power Systems Automotive Systems 8% 92 billion USD (1USD= 105JPY) 14% Social Infrastructure & Industrial Systems High Functional Materials & Components 13% 7% 10% Electronic Systems & Equipment Construction Machinery * The percentages are based on the new segment classifications effective from FY2014 Hitachi, Ltd All rights reserved. 1

3 1-2. Major activities for Smart Community of Hitachi CHINA [Dalian] Eco-City JAPAN [Okinawa] EV Charge Management System JAPAN [Y-PORT] IT Smart City global support U.S.A. [Hawaii] Japan-US Island Grid Project (JUMPSmartMaui) IT U.S.A. [New Mexico] Smart Grid Demonstration - Battery Storage UK [ETI SSH Project] UK Nation-wide Smart Systems & Heat Programme IT UK [Greater Manchester] Load-balancing aggregation technology in Greater Manchester IT JAPAN [Kashiwa-city] Kashiwa-no-ha Smart City Project JAPAN [Yokohama] Smart City Project IT JAPAN [Rokkasho-village] Smart Grid Demonstration Site Micro-grid IT JAPAN [Hitachi-city] Future City Model Project in Hitachi-City Basic models establish through small scale demonstrations. Basic models Demonstration Real business Energy SPAIN [Malaga] Smart Community Demonstration Project in Malaga City IT Development & Renovation of Smart City(incl. IT) Mobility Water IT IT Hitachi, Ltd All rights reserved. 2

4 1-3. Smart xx solutions as Social Innovation Biz. Smart Community movement is expanding and creating its new business fields. It has several features from city construction to city management service. Players in these markets are required to enhance and stretch their business style. Conventional Business Field (Supplier & Provider) Concept Planning stage (Consultant & Biz. Creator) Service Operation & Maintenance System & Solution Products Biz. Operation stage (Operator and Biz. Partner) Best solution to the stakeholder will be different from others. Existing Infrastructure X Investment Technology Stakeholder cost X Level X contribution = Optimum Smart Infrastructure Hitachi, Ltd All rights reserved. 3

2-2. JUMPSmartMaui: Background Achieving 65% renewable energy in Hawaii by 2030 Hawaii has the highest dependence on oil by far among the 50

By 2030, the state of Hawaii has set a goal to produce 40%of its electricity demand by renewable energy (RE), from around 10% at 2010.

In particular, Maui county of the state already accounts 30% RE of the total electricity demand with 72MW of wind turbine and 40MW of

7 2-2. JUMPSmartMaui: Background Achieving 65% renewable energy in Hawaii by 2030 Hawaii has the highest dependence on oil by far among the 50 states. Electricity prices in Hawaii have more than tripled the United States average price due to soaring crude oil prices. By 2030, the state of Hawaii has set a goal to produce 40%of its electricity demand by renewable energy (RE), from around 10% at RE ratio is significantly increasing in the state of Hawaii. In particular, Maui county of the state already accounts 30% RE of the total electricity demand with 72MW of wind turbine and 40MW of photovoltaic as of the end of On August 26, 2014, Hawaiian Electric Companies revealed their plan: -More than 65% RE -Nearly triple the amount of distributed solar -Electric bills reduced by 20 percent Hitachi, Ltd., All rights reserved. 6

2-3. JUMPSmartMaui: Issues and solutions 2011 2012 2013 2014-2016 M-to-N EV charging Feasibility management Study system Six cutting-edge initiatives as solutions In Maui, large scale renewable

8 2-3. JUMPSmartMaui: Issues and solutions M-to-N EV charging Feasibility management Study system Six cutting-edge initiatives as solutions In Maui, large scale renewable energy resources have been introduced. In addition, PV and EV high penetrations have been expected. Issues Excess Energy Influence on frequency Influence on distribution line voltage 1. Energy Efficiency Maximum Utilization of Renewable Energy 2. Stabilization/Balancing System Design 3. EV infrastructure & QC stations Construction DLC and Advanced Load Shift as Demand Response function EV charger control and Batteries Information and control platform Demonstration 4. Cyber Security 5. Autonomous System 6. ICT Technology Ensure adequate security Energy control via Autonomous Decentralized System ICT technologies to improve Quality of Life Hitachi, Ltd., All rights reserved. 7

2-4. JUMPSmartMaui: Overview EV batteries are utilized as stationed Batteries for

EMS Wind Power PV Transmission ICT Thermal Power Power Line Demonstration will be

(Final target is to establish EV-Virtual Power Plant) EVECC 配電網制御システム ADMS Substation

Distribution ICT DC Fast Charger Wind power Battery Battery Power Line PV with Smart

Charger PV with Smart PCS Storage battery Island of Maui Household as volunteer EVECC:

9 2-4. JUMPSmartMaui: Overview EV batteries are utilized as stationed Batteries for storing excess energy and controlling frequency fluctuation. EMS Wind Power PV Transmission ICT Thermal Power Power Line Demonstration will be implemented by 200 EVs and 40 Residences in whole island of Maui. (Final target is to establish EV-Virtual Power Plant) EVECC 配電網制御システム ADMS Substation 配電変電所 Billing, EVECC Billing, Membership Membership Incentive Incentive DMS Distribution ICT DC Fast Charger Wind power Battery Battery Power Line PV with Smart PCS Photovoltaic L3 Chargers DCFast Chargers LV Transformer μdms EV with Normal Charger PV with Smart PCS Storage battery Island of Maui Household as volunteer EVECC: EV Energy Control Center, ADMS: Advanced Distribution Management System, LV: Low Voltage, DOE: Department of Energy Hitachi, Ltd., All rights reserved. 8

2-5. JSM: Example of system operation Maximum Utilization of

integrating forecasts of renewable power generation with the

Supply Demand Supply/Demand Balance Charging Discharging schedule

balance would have excess supply Excess energy is forecasted The

10 2-5. JSM: Example of system operation Maximum Utilization of Renewable Energy Advanced load shift Helps shift energy demand by integrating forecasts of renewable power generation with the operating schedule of the project s batteries. Supply Demand Supply/Demand Balance Charging Discharging schedule Excess Start charging The charging is scheduled to start when the balance would have excess supply Excess energy is forecasted The conventional load shift technology + Advanced Hitachi, Ltd., All rights reserved. 9

11 2-6. JSM: Example of system operation Stable Supply of Electric Power Emergency demand and supply control マウイ島に最適なスマートグリッドへ Keeps the electric power system stable by controlling and helping to restore loss of balance between power supply and demand. When power generation of wind farm and PV decreased Cut off low priority load such as water heaters temporary. Emergency discharge battery and Shift a charge time zone of EV at another time. The Control Center Hitachi, Ltd., All rights reserved. 10

2-7. JSM: Hierarchical configuration Total Optimization Individual Optimization EVECC SVC Battery 1 set 3 sets DMS Smart City Platform

15 sets AMI DMCD EVECC: EV Energy Control Center DMS: Distributed Management System DLC: Direct Load Control DR: Demand Response DC Fast

Compensator DMCD: Data Measuring & Communication Device Home Battery SmartPCS Water EV Level2 10 sets 10 sets Heater Charger Residents

12 2-7. JSM: Hierarchical configuration Total Optimization Individual Optimization EVECC SVC Battery 1 set 3 sets DMS Smart City Platform (Information Control Hub) Switch 12 sets M2M Network μ-dms Sub Station 20 sets Transformer DLC (DR) PV Transformer μ-dms Home Gateway DP 15 sets AMI DMCD EVECC: EV Energy Control Center DMS: Distributed Management System DLC: Direct Load Control DR: Demand Response DC Fast Charger EV Level2 Charger DC Fast Charger Station 20 sites AMI: Advanced Metering Infrastructure M2M: Machine to Machine SVC: Static Var Compensator DMCD: Data Measuring & Communication Device Home Battery SmartPCS Water EV Level2 10 sets 10 sets Heater Charger Residents as volunteers 40 homes DP: Distribution Panel PV: Photovoltaic PCS: Power Conditioning System Hitachi, Ltd., All rights reserved. 11

13 2-8. JSM: Locations of equipment Kapalua Lahaina Kaanapali Wailuku Kahului Bulk Battery #1 & #2 (Li-Ion) Pukalani Paia Haiku Makawao Server room DMS EVECC DLC DC Fast Chargers(Installed) DC Fast Chargers(On going) Wailua SVC Whole Maui Island : Normal Chargers 200 sets Maalaea Kihei Kula Hana µdms 15 sets SmartPCS 10 sets Home Getaway 40 sets Home Battery 10 set Switch 12 sets Wailea Bulk Battery (Lead Acid) Hitachi, Ltd., All rights reserved. 12

3-1. JSM Ph2: Overview Phase2: Demonstration with Dis-charging function

evaluate using integrated, controlled EV battery discharge and

(VPP) V2H (Vehicle to Home) V2G (Vehicle to Grid) VPP (Virtual Power

distributed energy resources (such as EV, storage and home side energy

16 3-1. JSM Ph2: Overview Phase2: Demonstration with Dis-charging function By demonstration in highly RE penetrated area like Maui: Phase2 will evaluate using integrated, controlled EV battery discharge and management of distributed loads including V2X, as a Virtual Power Plant (VPP) V2H (Vehicle to Home) V2G (Vehicle to Grid) VPP (Virtual Power Plant) Virtual Power Plant (VPP): Aggregating and optimizing available distributed energy resources (such as EV, storage and home side energy capability) to use optional energy sources Hitachi, Ltd., All rights reserved. 15

3-2. JSM Ph2: Virtual Power Plant with V2X VPP system

resources while assuring the reliability, to provide energy

Load and its generator configuration Current situation Firm

functionality of firm generations can be substituted by VPP

17 3-2. JSM Ph2: Virtual Power Plant with V2X VPP system conducts integrated management of distributed energy resources while assuring the reliability, to provide energy supply and reserve power like a generation facility Maui Load and its generator configuration Current situation Firm Reserve RE Firm Middle Base Load Targeting Some parts of functionality of firm generations can be substituted by VPP as optional flexible source Hitachi, Ltd., All rights reserved. 16

18 Control Shift Summary of JUMPSmartMaui Advanced Load Shift re-schedules EV charging to excess energy periods. Ancillary Service Energy Service Scheduled and aggregated Home / EV battery discharge as a predictable energy source. Virtual Power Plant provides the best-mix of aggregated DER with predictability, based on each DER s characteristics. - V2X capability as a part of DER to increase potential/option of EV contribution. - PV to be more efficiently used to charge home / EV battery without curtailment. Direct Load Control control water heater use and EV charge. Demand SmartPCS installed at homes curtails PV output to maintain stability and safety. μdms installed at transformers protects against overload and excess PV output. Supply Ph.1 Ph.2 Hitachi, Ltd., All rights reserved. 17

19 Control Shift Summary of JUMPSmartMaui Advanced Load Shift re-schedules EV charging to excess energy periods. Ancillary Service Energy Service Scheduled and aggregated Home / EV battery discharge as a predictable energy source. Virtual Power Plant provides the best-mix of Our goal aggregated is to DER establish with predictability, a based business on each DER s characteristics. model that - V2X can capability be as a adapted part of DER to increase to other potential/option of EV contribution. islands and other power grids - PV to be more efficiently used to charge home / EV battery without curtailment. around the world. Direct Load Control control water heater use and EV charge. SmartPCS installed at homes curtails PV output to maintain stability and safety. μdms installed at transformers protects against overload and excess PV output. Demand Supply Ph.1 Ph.2 Hitachi, Ltd., All rights reserved. 18

4-1. Recent microgrid project: Kashiwa-no-ha

energy consumption such as electricity, water and

Electrical interchange devices Super-high voltage

Emergency Electrical interchange BEMS Shopping

period Electrical interchange BEMS Station HEMS

Residences HEMS Smart Center (AEMS) Visualization

Area energy management Storage battery Emergency

Smart Center has begun operations from May, 2014.

21 4-1. Recent microgrid project: Kashiwa-no-ha Smart Center manages regional energy - Visualize energy consumption such as electricity, water and gas. - Interchange power supply between different blocks in the town. Electric power interchange relevant equipment Electrical interchange devices Super-high voltage Substation facilities Storage battery PV PV Emergency Electrical interchange BEMS Shopping Mall Commercial and office Apartment PV Normal period Electrical interchange BEMS Station HEMS PV BEMS HEMS Research institution Hotel & Residences HEMS Smart Center (AEMS) Visualization (provision of information) Electrical Interchange Area energy management Storage battery Emergency Electrical interchange Apartment - Kashiwa-no-Ha Smart Center has begun operations from May, HEMS - Aiming to provide new services by utilizing Big Data. Power Interchange Power Interchange in case of Emergency Visualization (provision of information) PV:Photovoltaic BEMS:Building and Energy Management System HEMS:Home Energy Management System Hitachi, Ltd All rights reserved. 20

4-2. Kashiwa-no-ha Smart-City (Value 1 of AEMS) 15 Value 1 Promote Eco-friendly Lifestyle Smart

Example) The support through advice, such as energy saving residents Contributing through advice to

visualization of energy consumption Operational advice 6 / 12 11:30 様の電力使用状況グラフ節電ピーク時間はPM12:20です

自然換気を積極的に利用しましょう室内温度設定を上げましょう Manifested in radar chart a KPI number of items.

View of benchmark Power saving advice (in emergency mode) Comparison in the same category tenants,

22 4-2. Kashiwa-no-ha Smart-City (Value 1 of AEMS) 15 Value 1 Promote Eco-friendly Lifestyle Smart Center The Action Navigation Electricity, Water, Gas consumption Eco navigation screen (Reference Example) The support through advice, such as energy saving residents Contributing through advice to energy interchange Instructions action to tenants to imposition of BCP The Action Navigation The visualization of energy consumption Operational advice 6 / 12 11:30 様の電力使用状況グラフ節電ピーク時間はPM12:20ですアドバイス設定温度を調節しましょう Visualization of the energy consumption of each tenant and the entire アドバイス自然換気を積極的に利用しましょう室内温度設定を上げましょう Manifested in radar chart a KPI number of items. Shows operational advice to suit the condition of the apartment and climate. View of benchmark Power saving advice (in emergency mode) Comparison in the same category tenants, and housing 14 時から計画停電が始まります照明を半分消灯してください自然換気を使用してくださいパソコンはバッテリーを利用してください The view on the screen shows how to operate equipment Hitachi, Ltd All rights reserved. 21

4-3. Kashiwa-no-ha Smart-City (Value 2 of AEMS) Value 2 Normal mode Reduce CO 2 emission and electricity cost Electric power interchange between buildings of different power peaks Discharge Charge

Storage 150 battery 街区 PV Grid power Commercial and office building Hotel and Residential building [Hitachi, Ltd.

23 4-3. Kashiwa-no-ha Smart-City (Value 2 of AEMS) Value 2 Normal mode Reduce CO 2 emission and electricity cost Electric power interchange between buildings of different power peaks Discharge Charge Power Interchange Lower electricity cost through peak cut/shift in total 148 city block Storage 電力融通を battery すれば PV Peak cut in normal times Power Interchange device 150 city block (LaLaport) Storage 150 battery 街区 PV Grid power Commercial and office building Hotel and Residential building [Hitachi, Ltd.] Shopping Mall To solve the problem of mixing different system power by converting the AC DC AC electricity once Grid power Grid power 147 city block (2nd avenue) Housing 151 city block (1st avenue) Housing Grid power The AEMS manages PV, batteries and the power interchange equipment to carry out peak cut/shift through controlling energy flow between the city blocks. The Power interchange equipment and self-power line, to carry out peak-shift & peak-cut across the city block. It will contribute to low-carbon of the whole city. Hitachi, Ltd All rights reserved. 22

4-4. Kashiwa-no-ha Smart-City (Value 3 of AEMS) Value 3 Maintain safe and secure life in

the grid Continuation of business and life with self-generated power supply 148 city block

Interchange device Storage 150 battery 街区 PV Emergency gas power generation Grid power

power 147 city block (2nd avenue) Housing Emergency power supply to residential blocks 151

life support loads, carve-up in the city district energy.

24 4-4. Kashiwa-no-ha Smart-City (Value 3 of AEMS) Value 3 Maintain safe and secure life in case of blackout BCP/LCP measures Emergency mode Self-consumption without power supply from the grid Continuation of business and life with self-generated power supply 148 city block 150 city block (LaLaport) Storage 電力融通を battery すれば PV Emergency gas power generation Power Interchange device Storage 150 battery 街区 PV Emergency gas power generation Grid power Commercial and office building Hotel and Residential building Shopping Mall Grid power Grid power 147 city block (2nd avenue) Housing Emergency power supply to residential blocks 151 city block (1st avenue) Housing Grid power In case of disaster, and to provide power to life support loads, carve-up in the city district energy. Example : - Emergency elevator - Emergency lighting - available power more than 50% of normal Hitachi, Ltd All rights reserved. 23

25 4-5. Example configurations for island microgrid Smart Islands ICT Platform Connectivity via Superfast Broadband HEMS to optimise self-consumption and enable Tele-care Energy Storage and Backup Generation Integrated Seawater Desalination and Sewage-reuse PV Home Gateway Community Energy Storage Seawater RO Desalination System Integration of Other Renewables RO Sewage Treatment Smart PCS + Battery Heat Pump PV Backup Diesel Generation Small Scale PV Wave Generation Wind Home Gateway EV Charging Infrastructure and Chargers Smart PCS + Battery mchp Carbon-Hydride (MCH) Energy Storage System EV Rental Scheme EV Quick Chargers Hitachi, Ltd All rights reserved. 24

26 4-6. Example of timeline & FS items NDA month Feasibility Study First Proposal (Basic Design) MOU Funding Support Study 2 nd Proposal (Assessment) System Design / Construction Interviewee on FS Methodology Key Outcomes Government Electric and Business segment Interviews- Leadership, transport, estates, strategy, healthcare etc. Focus group Qualify strategic goals & share preliminary proposals Identify specific opportunities / challenges with specialists Understanding existing business challenges Explore perceptions of Smart island opportunities Residents Focus group Understand existing challenges Gauge appetite change Explore perceptions of Smart island opportunities RE cooperative Focus group or Interview understand progress / programs to date Explore future opportunities / goals aligned to Smart Island Local engineers Interviews Energy, waste, water etc. Current infrastructure technical assessment & challenges Views on Smart Island opportunities Hitachi, Ltd All rights reserved. 25

Hitachi s Smart Energy Activities - worldwide case studies -

Hitachi s Smart Energy Activities - worldwide case studies - June 17, 2015 Frank Emura Smart Energy Solution Division Information & Telecommunication Systems Group Hitachi, Ltd. 1-1. Business fields of