TEPCO’s Initiatives for “Smart Grid” · TEPCO’s Initiatives for “Smart Grid” ......
Transcript of TEPCO’s Initiatives for “Smart Grid” · TEPCO’s Initiatives for “Smart Grid” ......
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TEPCO’s Initiatives for
“Smart Grid”
~ NEDO Demonstration Project
in “Niijima-Island” ~
January 9, 2017
Shuichi ASHIDATE, Ph.D
Vice President
TEPCO Research Institute
Tokyo Electric Power Company Holdings
60Hz
50Hz
◆Service Area: 39,000 km2
・One-tenth of Japan’s land area
◆Number of Customers: 29 million
◆Electricity Sales:
247 billion kWh (FY 2015)
◆Generation Capacity: 66GW
◆ Peak Demand:
53.3 GW (Aug 2016)
TEPCO’s Position
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TEPCO Company Structure 1
• TEPCO moved to a holding company structure in April 2016
Decommissioning of Fukushima site Nuclear Power
Regulated sector
34,000 employees
3,000 employees 20,000 employees 3,000 employees
TEPCO Research Institute
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2
Mega-trends in Energy Business
De-Carbonization
Deregulation
Decentralization
Digitalization
Depopulation
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3Future Prospects of Electric Power
Demand in Japan
2013 2020 2030 2050
1.29
0.98
Bulk Energy Resources:
Thermal/Nuclear Power Plants
Distributed Energy Resources + Energy Storage
Distributed Energy Resources
Electric Power Demand(1012kWh)
Power-to-X
0.75
0.65
Power-to-X
Energy Saving/
Depopulation
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4Massive Integration of Renewable Energy with
Utility Grid - Issues and Counter-measures
-Shortage of Reserved Capacity, Adjusting Capacity
-Over Voltage in Distribution Lines
-Surplus Power
-Complication of Power System Operation
-Capacity Mechanism
-Improvement of Forecasting Accuracy for Solar/Wind Power
-Monitoring and Control of Renewable Energy
-Demand ResponseControl of Storage Batteries
-Facility Reinforcement for Transmission and Distribution Lines
-Cross-regional Coordination of Transmission Operators
Issues Counter-measures
-Shortage of Transmission Capacity
-Monitoring and Control of Transmission and Distribution Lines
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5
Distribution NetworkRenewable
Energy
Supply-Demand Control
Control/Suppress
Communications NetworkEnergyStorage
Prediction
•Output•Fluctuation•Ramp
Generator & Battery
Compensation
•Supply Capacity•Adjusting Capacity for
Frequency Control
Control Center
NEDO Demonstration Project for Smart Grid
in Niijima Island (2014~2018)
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6
WT300kWX2 + Energy Storage 500kWhPV9kW + Energy
Storage12kWh
Energy Storage
WT: Wind Turbine
PV: PhotoVoltaic
1 2kmPV315kW
Energy Storage
Heat Pump
Diesel Generator 7,700kW
2,500kW, 2,000kW1,200kW, 1,000kW*2
Energy Storage 500kW*2
Facilities in NEDO Demonstration Project
Total Demand: 1,900 – 4,400kW
Total Renewable Energy: 1,100kW
WT: 600kW, PV: 500kW
PV9kW + Energy Storage 12kWh
PV9kW + Energy
Storage 12kWh
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7
Development of Integrated EMS
Diesel Generator
DG Control Panel
Integrated Control of Energy Storage
(Battery, Demand Time Shift)
Control of Outputs of Renewables Large Scale PV
WTSmall Scale PV(Customer Side)
Battery(Customer Side)
Heat Pumped StorageEV
Large Battery
(Grid Side)
Optimal Economical
Operation of DG
Integrated Energy Management System
Existing System
Prediction of RE Outputs and Fluctuations
New DG control Panel
Control
Monitor
G
MeteorologicalInformation
Demand Prediction
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8Development of Wind Ramp Forecasting
Technology
East Japan
50 Wind Farm
Wind Farms in Eastern Japan
70%
ramp
down
• Combination of Meteorological Approach
and Statistical Approach
• AI, IoT, Numerical weather prediction
• Take advantage of real-time big data
• Variable power output and weather data
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9
Thank you for your kind attention.
Niijima-island