Smart Grid in Hawaii

Smart Grid Overview Shari Ishikawa UH REIS Seminar Series October 15, 2009

Agenda for Today

Smart Grid from a Utility Perspective

Dept of Energy (DOE) Smart Grid Information

Examples of Utility Smart Grid Activities

HECO’s Smart Grid Activities

Cyber Security Issues

What is a Smart Grid?

Are utility grids dumb?

No

Characteristics of Most Grids

One way flow

Supervisory Control and Data Acquisition (SCADA) to substations or key elements on a circuit

Central Station Generation

Passive Customer or Load

Electric System Overview 1. Generation 2. Transmission 138,000V 3. Subtransmission 46,000V Secondary 120/240V 4. Distribution 25kV – 4kV One Way Flow

Smart Grid Build Out Example DMS Remote Switches OMS GIS Plant Control Systems EMS SCADA Relays CIS AMI MDMS Smart Home

Solutions Landscape: Elements Communi- cations Control Analysis

In Plant (LAN)

Enterprise

Distribution SCADA

Outage Mgmt Sys

Mobile Work Force Mgmt

Energy Market Mgmt (O)

Trans Network Analysis

Op Training Simulator

Distributed Control

System

Cell

BPL

µWave

PLC, WIFI, WIMAX

BPL

Manual

Dist Network Application

Dist Training Simulator

Energy Market Management (P)

Gen Optimization

SCADA

Auto Gen Control

Demand Side

Mgmt/Response

MDMS

Satellite

Fiber

Auto Meter Reading

DSM (Customer)

Dist Auto

Cap Banks

Switches

µ Wave

Radio

Telephone

Fiber

Radio

Engineering & Planning (T&D)

Asset Performance Management System

Generation Planning

Common Modeling

Historical Information

Reclosers

Tiered Cont.

Xfrmrs

RTUs, Data Concentrators

GTs, CCP, ST, WP

Breakers

Xfrmrs

Volt Regs

Cap Banks

FACTS/SVCs

Environ

Dist Network Application

Dist Training Simulator

Apparatus & Device Transmission Distribution Consumer Generation

DOE Smart Grid Information

The Smart Grid is MORE:

Reliable

Secure

Economic

Efficient

Environmentally friendly

Safe

For additional information, contact

Modern Grid Strategy Team

http://www.netl.doe.gov/moderngrid/

Principal Characteristics

The Smart Grid is “transactive” and will:

Enable active participation by consumers

Accommodate all generation and storage options

Enable new products, services, and markets

Provide power quality for the digital economy

Optimize asset utilization and operate efficiently

Anticipate & respond to system disturbances (self-heal)

Operate resiliently against attack and natural disaster

Smart Grid Technologies Integration – biggest gap in today’s science & technology development Integration Science & Technology

Smart Grid Key Technology Areas

Smart meters

Smart sensors

Operating parameters

Asset Condition

Wide area monitoring systems (WAMS)

Dynamic rating of transmission lines

Smart Grid Key Technology Areas

Applications that:

Monitor and collect data from sensors

Analyze data to diagnose and provide solutions

Real time and predictive

Determine and take action autonomously or via operators

Provide information and solutions to operators

Integrate with enterprise-wide processes and technologies

Smart Grid Key Technology Areas Next generation FACTS/PQ devices Advanced distributed generation and energy storage PHEV - V2G mode Fault current limiters Superconducting transmission cable & rotating machines Micro-grids Advanced switches and conductors

Smart Grid Key Technology Areas Data reduction Data to information to action Visualization Speed of comprehension System operator training

Smart Grid Key Technology Areas Smart meters Smart sensors Demand Response DG dispatch Distribution automation Micro-grids Markets Work force management Mobile premises (PHEV’s)

Smart Grid Examples Transmission System - Synchrophasors

Antenna Array – Ability to locate partial discharge in the substation Waveform 1 Waveform 2

Backscatter Sensors for low cost monitoring and problem identification

Standard Circuit Protection Aqua 12KV Blue 12KV RCS RCS Substation RCS Blue 12KV 1. Fault between Circuit Breaker and Midpoint RCS (time = 0s) 2. Circuit Breaker Opens (time = <1s) 3. Circuit Breaker Tests circuit; test fails (time = 15s) Process 4. Midpoint Switch Opens (t = 30s) 8. Fault is cleared/fixed 9. CB is closed to restore power to front half of circuit 10. Circuit is restored to normal Circuit Breaker 5. Circuit Breaker tests circuit again; test fails; CB locks out (t = 55s) 6. Tie RCS is remotely closed to pick up back half of circuit. 7. Circuit is patrolled by Troubleman Legend Copper Connection Single-mode fiber-optic Multi-mode fiber-optic Distribution Circuit Substation Fence RCS N LD

Avanti 12KV Circuit Protection Northpark 12KV Sweetwater 12KV RCS 1088 RCI 1449 RCI 1453 Shandin Substation RCI 1450 RCS 1365 Sweetwater 12KV 1. Fault between RCI 1449 and RCI 1453 (time = 0s) 2. Logic Processor Instructs RCI 1449 to Trip (time = <0.1s) 3. Logic Processor Instructs RCI 1453 to Isolate fault (time = .5s) Process 4. Tie Switch to Sweetwater closes to restore back half of circuit (t = 1 min) 5. Fault is cleared/fixed 6. RCI 1449 is closed to restore power to front half of circuit 7. Avanti is restored to normal Circuit Breaker Logic Processor Legend Copper Connection Single-mode fiber-optic Multi-mode fiber-optic Distribution Circuit Substation Fence RCS 0769 N LD RAR 0989

Scenario Analysis HECO Baseline Information HECO Model Development (GE MAPS/PSLF) Wind Forecasting NREL Oahu Transmission Studies Stead State Load Flow/ Transient Stability/ Short Circuit Steam Generator Improvements Load Control Standby/Quick Start Generation EMS/AGC Capability Analysis (KEMA) Oahu Routing Study and Engineering Design Submarine Cable Architecture and Specifications NREL Wind Resource Modeling NREL PPA Negotiations/ Interconnection Requirements Study Wind Capacity Calculation Steam Generator Projects EMS Upgrade Projects Load Control Projects Future Generating Resource Plan Oahu Transmission Projects Submarine Cable Procurement and Permitting (HECO/DBEDT) Integration of Variable Generation Follow-on Implementation

FOA 36 – Hawaii DREEM Demonstration

FOA 36 – Hawaii DREEM Demonstration (cont)

HECO Customer Microgrid EMS HECO EMS Advanced Metering Infrastructure (AMI) HECO Communication Microgrid Concepts Solar Wind Battery Storage Bio-Fueled Generator Smart Home Smart Building HECO Transformer

HECO Smart Grid Activities