overview of epri’s work in renewable energy

Overview of EPRI’s Work in Renewable Energy

Bryan Hannegan, Ph.D.Vice President, Environment & Renewables

Renewable Energy CouncilMarch 26, 2010

2© 2009 Electric Power Research Institute, Inc. All rights reserved.

Virtual “Renewable Energy Sector”

• Reduces Cost of Generation Technology Options

• Integrates Variable Generation with Transmission and Distribution

• Optimizes Energy Storage Capability

• Understands and Minimizes Environmental Impacts

Cuts Across all EPRI Sectors


EPRI MERGE – Two Possible Future Mixes

Coal

Gas

Wind

Demand Reduction

New Coal + CCSCoal

Gas

WindNuclear

Demand Reduction

Nuclear

Limited Portfolio Full Portfolio

Solar

Biomass

Hydro

CCS Retrofit

Biomass

Hydro

Renewables are > 20% by 2030 in both scenarios


2008: Workshops on Integration

Distributed PhotovoltaicsTempe, AZ

June 13, 200832 Attendees

Variability of Large Renewable Resources

Dallas, TXJune 5, 200836 Attendees


2009: Renewable Power Summits

Solar Power Edison International

July 17, 2009

Biomass Southern Co. &

Oglethorpe PowerOctober 2, 2009

Wind PowerXcel Energy

April 28, 2009

Geothermal PowerTri-State G&T

December 8, 2009

International workshop planned for 2010


EPRI and ACORE jointly developed a high-level roadmap for renewable power generation

R&D needs.

On – line survey at: http://www.surveymk.com/s.aspx?sm=kt

mWVvUbqxcTOqqhk2pyww_3d_3d

ACORE – EPRI Renewable Energy R&D Roadmap

http://www.surveymk.com/s.aspx?sm=ktmWVvUbqxcTOqqhk2pyww_3d_3d

http://www.surveymk.com/s.aspx?sm=ktmWVvUbqxcTOqqhk2pyww_3d_3d


Expanding EPRI’s Renewables Portfolio

Economics andTechnology Status

Solar

Wind

Geothermal

Biomass

Water Power

TransmissionIntegrationDistributionIntegration

TransmissionIntegrationDistributionIntegration

Renewables

Water Power

Renewables

Water Power

2008 2009 2010

Also includes energy storage; demonstration projects


30

40

50

60

70

80

90

100

110

120

0 10 20 30 40 50

Levelized Cost of Electricity, $/MWh

Cost of CO2, $/Metric Ton

IGCC

PC

Wind (32.5% Capacity Factor)

Nuclear

Biomass

Renewables: The Generation Challenge

All costs are in December 2007 $

Rev. October 200895% confidence level values based on EPRI Report 1018329

NGCC ($6-8/MMBtu)

Renewables “out of the money” without incentives or mandates


Program 84A: Economics & Technology Status

• Renewable Energy Technology Guide– Status and potential of

renewable technologies– Industry trends

• Engineering and Economic Evaluations

• Analysis and Strategy– Role of renewables in future

generation portfolios– Policy scenarios

• General interest in renewables – Newsletters/perspectives– Conferences/workshops– Tours, industry speakers


Program 84B: Biomass

• Biomass Supply Management– Long-term supply security– Development of multiple supply chains– Assessment of energy plantations

• Power Generation from Biomass– Impact on environmental equipment– Biomass plant cost database– Ash utilization– Torrefied wood full-scale tests– Methods to increase co-firing fraction

• Life Cycle Analysis of Biomass-Based Power– Updated biomass-to-power carbon footprint– Land, water implications of biomass supply– Broad deployment of biomass power plants:

environmental implications


Program 84C: Solar

• Solar Augmented Steam Cycle Applications Analysis– Analyze new applications

• Greenfield• Integration with biomass or

geothermal• Solar Technology Acceleration

Center (SolarTAC)– Benchmark PV/CPV technologies– SolarTAC demo projects

• Solar Thermal Storage Technology Assessment – Field data for installations– Identify hosts for collaborative

evaluations of thermal storage performance


Program 84D: Wind

• Wind Power Technology Assessment– Drive train, generators, blades,

towers, sensors and controls– Engineering and economic

assessment• Wind Power Asset Management

– Status of O&M and asset management technologies• Condition Monitoring and NDE• O&M procedures

– Wind turbine asset management guidebook

Vestas V-80, 2 MW


Program 84E: Geothermal

• Geothermal Operations and Maintenance– Plant evaluations and

assessments– O&M handbook– Training and technology transfer

• Assessment of Geothermal Power Technologies– Engineering and economic

analysis of low- and moderate-temperature geothermal resources and technologies

– Identify demonstration projects for advanced geothermal or EGS


Program 58: Waterpower

Conventional hydro, ocean, and hydrokinetics

• Waterpower resource assessment

• Generation Issues– Technology development– Optimization & maintenance– Revenue opportunities

• Environmental Issues– Advanced turbine development– Greenhouse gas research– Fish passage & protection

• Ocean & Hydrokinetic Energy Research (Supplemental)


Renewables: The Integration Challenge

High Levels of Variable Wind and Solar PV Will Present an Operating Challenge!


Variable Generation (VG) Increases the Need for Balancing Resources

Must Have Flexible System

at Each Time Frame!

Minutes Hours Days Years

Automatic Gen Control (AGC)

Adjustments for

Regulation

Load Following Resources for

Ramping

Resources for Day Ahead (DA)

Scheduling Errors

Planning Margin

to Meet Future Peak Load

Time Horizon

Res

ourc

e N

eed


NERC IVGTF Special Report

Defines Reliability Needs

Transmission Development

Resource Adequacy

Advance Operator Tools

Flexible System Resources

• New Transmission Planning Tools and Methods to Integrate High Variable Resources

• New Methods to Determine Supply Capacity and Reserve Requirements

• New Methods to Determine Supply Capacity and Reserve Requirements

• New Operator Decision-Making Tools and Improved Frequency Control Methods

• Technical Performance Specs for VG/DR/PHEV

• Other EPRI Programs – ElectriNet, Storage

Program 173: Integration of Large Scale Wind


Program 174: Integration of Distributed Renewables

• High Penetration PV Impact on Circuits (Starts in March)

– Model development and system impact evaluation– Economic Assessment– Demonstration on selected feeders

• Distribution PV Monitoring Project (Starts in April)

– Understand the performance characteristics under various environmental and climatic conditions

– Large population of units – Monitoring protocol and package

• Operations and Maintenance Needs (Starts in August)

– Assess maintenance practice– Develop needs, gap analysis– Identify opportunities for improvement


IEEE

IEC

NIST

Standards Organizations

EPRIRenewables ELTPDU Sector CouncilDistributed Solar ELTProgram Advisory (P174)DemonstrationsCoordination with DOE/Labs/ Industry

Solar IndustrySEPASEIASolarTACPV/Inverter Manufacturers

Federal/State/LabsU.S. DOEEIANational LabsState Demonstrations

Regulatory and Informational

FERC

NERC

NARUC

3 Year StrategyCompile solid data on O&M, Validate and demonstrate value,

Determine realistic cost, & Inform key stakeholders

Working Collaboratively: Solar PV Example

http://www.solarelectricpower.org/sepa.aspx

http://www.ieee.org/portal/site/iportals?WT.mc_id=hplogo_upleft

http://www.sandia.gov/index.html

http://www.iec.ch/index.html


Program 94: Energy Storage

Market Analysis Strategic Intelligence

Technology Watch and Strategic Intelligence

On-line Assessment Guide Evaluation Tools

Testing, Validation and Demonstration

Technology Assessment & Evaluation

Short-Term Long-Term

Fuel Cells and Flow Batteries

Li-ion Battery NaS Battery ZnBr Battery Mobile Storage Systems Large CAES

Li-ion Batteries Micro-generation Compressed Air Cycles Thermal Storage Systems


Interest Group Formed to:• Assemble advisors to define

and prioritize research needs• Engage with non-utility

organizations• Examine and share successful

strategies and approaches• Launch initial, high priority

supplemental projects• Jumpstart the new program that

will begin in 2011

Environmental Aspects of Renewable Energy


Demonstration Projects

Energy efficiency projectsSmart grids

Energy storage projects

Solar, geothermal, and other projectsNuclear projectsPC with CCS projectsOxy-combustion projectsIGCC with CCS projects

Industry Demonstration Projects

Technology Challenges

1. Enabling energy efficiency with efficient end-use technologies and smart grids

2. Enabling variable renewables with advanced transmission and energy storage

3. Deploying advanced light water reactors

4. Deploying carbon capture and storage

Goal: Large-scale demonstrations in multiple areas neededto meet the PRISM goal for a low-carbon future


Energy Storage and Power Production Module

Advanced CAES Plant: Schematicfor Second Generation “Chiller Option”

CT Module

• 117•Exhaust

Air

Compressed Air

Compressor

Combustion Turbine

Motor

• Storage

Air

IntercoolersRecuperator

Fuel

Expander

Storage


Natural Gas Project: NV Energy• Host Site: 1102-MW Chuck Lenzie Station,

north of Las Vegas, NV• Solar Field Size: ~95 MW proposed

Coal Project: Tri-State G&T• Host Site: 245-MW Escalante Station in

Prewitt, NM• Solar Field Size: ~36 MW proposed

Solar Thermal Hybrid Demonstration Projects

Photo courtesy of Tri-State Generation and Transmission Association

EPRI Role: Technical support, comprehensive testing, independent evaluation; develop and manage industry-based collaborative


Renewable Energy Council

• New advisory council to help guide EPRI’s research in renewable energy

• Provide oversight to entire renewable energy portfolio

• Diverse membership (VP level or above)– Fossil Ops– T&D/Grid Ops– Environmental Compliance– Renewables Strategy

• Schedule– Initial webcast held November 2009– First in-person meeting March 25-26


Renewable Energy Council Members

• AES Solar Energy• Ameren • American Electric Power• Arkansas Electric Cooperative• Buckeye Power• CPS Energy• Dayton Power & Light• Duke Energy• E.ON UK• Electricité de France• Edison Mission Energy• Entergy• ESKOM• FirstEnergy• Hawaiian Electric• Iberdrola S.A.• Kansas City Power & Light• Minnesota Power

• New York Power Authority • NextEra Energy Resources• OG&E Electric Services• Oglethorpe Power• Ontario Power Generation• Pacific Gas & Electric• Progress Energy• Public Service Co. of New Mexico• Sacramento Municipal Util. District• Snohomish County Public Util. Dist• Southern California Edison• Southern Company• Sunflower Electric Power • Tennessee Valley Authority• TransAlta Generation Partnership• Tri-State G&T Association• Xcel Energy


Summary

• EPRI renewable energy activities growing rapidly– Unique “niche” representing end-use consumer/utility

• Numerous projects and programs in development pipeline– Cost and performance– Integration and storage– Environmental sustainability

• Opportunity for collaboration between electric industry leaders, technology vendors, national labs, trade groups– Participation in EPRI research programs– Partnership through demonstration projects

overview of epri’s work in renewable energy

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