The US DOE Solar Energy Grid Integration Systems Program “SEGIS” · 2009-02-05 · The Needs -...

The US DOE Solar Energy GridThe US DOE Solar Energy Grid

Integration Systems ProgramIntegration Systems Program

““SEGISSEGIS””

Abraham Ellis, Ward Bower

[email protected], [email protected]

Sandia National Laboratories

Presented to REGIS Workshop

Lanai, HI

February 14, 2009

INTRODUCTIONINTRODUCTION

““SEGISSEGIS”” Overview Overview• The Needs

– High PV Penetration– Grid Integration– Reliability/Lifetime

• The SEGIS Solicitation– Program Timeline– Program Logistics– Contractor Specifics– Technologies Overview– Solicitation Status– Next Steps

• Summary

The Needs -The Needs -

““SEGISSEGIS”” Program Program• “SEGIS” is an project under DOE’s Systems

Integration (SI) Program and Solar AmericaInitiative (SAI) designed to– Fill R&D gaps in SAI Technology Pathways

Partnership (TPP) agreements

– Support DOE Solar Energy Technology programareas (Smart Grids, Energy Storage/Management)

– Prepare for high-penetration of PV in the context ofthe future “Smart” utility grid• Integrated Inverter/Controller

• Integrated Energy Management and Storage

• Advanced Communication

TodayToday’’s Typical Utilitys Typical Utility

InterconnectionInterconnection

PV Array Inverter

Loads

kWh

MeterUtility Grid

Service

Panel

Anti-islanding

AC and DC Voltage Trips

Over- & Under- Frequency

Power limit

Over Temperature

Operation Info

A Future Conceptual IntelligentA Future Conceptual Intelligent

Utility InterconnectionUtility Interconnection

Smart Loads

System Controls

Smart

Meter &

Energy

Portal

PV ArraykW -

kWh

Utility

GridService

Panel

Adaptive

Logic

System

Energy

Mgmt

System

Loads

Energy

StorageCritical

Loads

Loads

Inverter

&

Charge

Control

Electric Power Value Information Operations Information

Internet(Weather Forecast)

Sub -Panel

Motorized

BreakersPower

Control Unit

THE THE ““SEGISSEGIS”” VISION VISION

ENABLE HIGHLY ENABLE HIGHLY

INTEGRATED,INTEGRATED,

INNOVATIVE, INNOVATIVE,

ADVANCED INVERTERS, ADVANCED INVERTERS,

CONTROLLERS, CONTROLLERS,

CRITICAL BOSCRITICAL BOS

CONCEPTS & CONCEPTS &

ENERGY MANAGEMENT ENERGY MANAGEMENT

FOR RESIDENTIAL FOR RESIDENTIAL

AND COMMERCIAL AND COMMERCIAL

PV APPLICATIONS PV APPLICATIONS

““SEGISSEGIS”” R&D Focus R&D Focus

•• SIGNIFICANTLYSIGNIFICANTLY Advanced Inverters,dvanced Inverters,Controllers and Energy Management SystemsControllers and Energy Management Systemsthat maximize value to Utilities and Consumer

• Scope– PV Systems for High-value Residential and

Commercial Applications (100W – 250kW)

– PV Systems using Advanced Energy Management

– Building/Structure PV Systems AND Hybrid/Micro-grid Applications that Utilize Energy Storage

– Does NOT Include Development of PV Cell/ Moduleor Energy Storage Technology.

The The ““SEGISSEGIS””

Concept Paper Concept Paper

Captures the result ofCaptures the result of

industry workshops thatindustry workshops that

identified and prioritizedidentified and prioritized

technical issues relatedtechnical issues related

to high penetration PVto high penetration PV

Describes the goals andDescribes the goals and

requirements of therequirements of the

SEGIS programSEGIS program

Conveys detailedConveys detailed

program requirements toprogram requirements to

prospective SEGISprospective SEGIS

solicitation participantssolicitation participants

http://www.sandia.gov/SAI/files/SEGIS%20Concept%20Paper-071025.pdf

The The ““SEGISSEGIS”” Request Request

For Proposals (RFP)For Proposals (RFP)

• Three-year, three-stage cost-shared effort

– Stage 1: Proof of concept & market analysis

• 9 months, 20% cost share with $250K maximum

– Stage 2: Prototype development

• 1 year, 20% cost share with $3M maximum

– Stage 3: Toward commercialization

• 1 year, 50% cost share with $3M maximum

• Received 26 proposals, Selected 12 for Stage 1

– Many Proposals Not Selected Were TechnicallySound and Likely Candidates for R&D Funding

ApolloBectel, CT

EMTECDelaware, OH

EnphasePetaluma, CA

GE- Niskayuna, NYNextech- Haupauge, NY

Petra SolarSomerset, NJ

UCF- FSECOrlando, FL

Premium PowerNorth Andover, MA

Princeton PowerPrinceton, NJ

PVPoweredBend, OR

SmartSparkChampaign, IL

VPT EnergyBlacksburg, VA

Stage 1 Subcontractor Locations (15 States)

Primary Contractors

SEGIS Stage 1 Contractors &SEGIS Stage 1 Contractors &

Team MembersTeam Members

““SEGISSEGIS”” Contracts- Contracts-

System RatingsSystem Ratings• <1kW Represents

Micro-inverters– All are unique topologies

– All are Integrated with PVmodules

• 1 – 10 kW RepresentsResidential Systems

• 10 – 100 kW RepresentsCommercial Systems

• >100 kW Can beCommercial or UtilitySystems

0

1

2

3

4

5

6

<1kW 1-10kW 10-100kW >100kW

““SEGISSEGIS”” Contract - Contract -

CommonalitiesCommonalities• All contracts include:

– Inverter design or modification

– Controller design

– EMS

– System Integration

– Communications

– Utility Support

• Proposed developments are likely to requirechanges in interconnection or other standards

SEGIS INITIAL

PROPOSAL

Stage 1 Complete

Technical & Cost

Stage 2 Complete Technical & Cost

Brief Overview of

Stage 3 Technical

and Cost Proposal

END OF SEGIS

STAGE 1

Stage 1 Technical

Report

Stage 1 Market Analysis Report

Critical Program

Review

STAGE 3 DETAILED

TECHNICAL &

COST PROPOSAL)

Feasibility Analysis (Market, Cost, Barriers)

Quarterly Reports

““SEGISSEGIS”” Stage Process Stage ProcessStage 1 Stage 1 –– Proof Concept and Feasibility Proof Concept and Feasibility

““SEGISSEGIS”” TIMETABLE TIMETABLE20% Cost Share

Stage 2

Prototype Development

Prototype Design and Testing

Control Strategy Development

Electrical and Mechanical

Energy Balance Calculations

Reliability Calculations

Operational Characterizations

Performance Measurements

External Interaction Validations

Qua

rterly

& M

id-y

ear

Rep

orts

Repo

rts

and

Rev

iew

T&E/

Har

dwar

e

Del

iver

able

s/R

epor

ts

END OF STAGE

REPORTS

Stage 2 Technical &

Market /Cost Report

Critical Program

Review

20% Cost Share

Stage 1

Concept and Feasibility

Proof of Concept /Feasibility

Research and Development

Advantages and Disadvantages

Barriers and Needs

Likelihood of Success

Market and Cost Analysis

Value -Added Analysis

Market and Tech Impacts

Pro

pos

al t

o S

NL

Qua

rterly

Rep

orts

Rep

orts

and

Sta

ge 3

Prop

osal

to S

NL

SEGIS INITIAL

PROPOSAL

Stage 1 Complete

Technical & Cost

Stage 2 Complete

Technical & Cost

Stage 3 T&C (Brief

Overview )

END OF STAGE

REPORTS and

STAGE 3 PROPOSAL

Stage 1 Technical

Report

Stage 1 Market

Analysis Report

Critical Program

Review

STAGE 3 DETAILED

TECHNICAL &

COST PROPOSAL )

50% Cost Share

Stage 3

Pilot Production

(Toward Commercialization )

Pilot Production Design

Hardware Delivery

Test & Evaluations

Validations and verifications

Production Analysis

Bill of Materials

Final Cost Analysis

Hardware Commercialization

Qua

rterly

& M

id-y

ear

Rep

orts

Repo

rts

and

Rev

iew

T&E/

Har

dwar

e

Del

iver

able

s/R

epor

ts

END OF STAGE

REPORTS

Stage 3 Final

Technical & Market /

Cost Report

Peer Reviewed

Conference Paper

Final Program

Review

9 MONTHS1 YEAR

1 YEAR

We areHere

““SEGISSEGIS”” FY09 Milestones FY09 Milestones

9/1/09X8) 1st Stage 2 “Quarterly Reports”

5/9/09X7) Stage 2 downsize (?? Contractors)

4/2/09XX6) “Contractor Stage 1 Reviews” &Downsizing Determinations

3/30/09XX5) Critical Reviews (12 Contractors)

3/18/09XX4) Final “Stage 1 Reports” (12 Contractors)

3/6/09XX3) DOE Solar Program Peer ReviewPresentations. (12 Contractors)

12/12/08XX2) 2nd “Quarterly Reports” (12 Contractors)

DateDateENENCRCRMilestonesMilestones

• Solicitation progress posted on related DOE web pages

(see last page for reference)

• Criterion 1: Meets Technical Objectives

• Criterion 2: Meets a Sound Technical Approach

• Criterion 3: Meets Project Management,Qualifications and Resource Needs

• Criterion 4: Provides a Viable TechnologyDeployment Plan

(All criteria are based on the goals stated in the Solicitation)

The The ““SEGISSEGIS”” Best ValueBest Value

Selection CriteriaSelection Criteria

(Apollo Solar) Advanced Grid-tied Inverter,

Charge Controller, Energy Monitor & Internet Gateway

ParticipantsParticipants

DescriptionDescription

Resources ($)Resources ($)

Cost Share per stageDOE Stage1 (max)DOE Max (3 stages)

20% - 20% - 50%$250K$6,250K

Apollo Solar will develop advanced modularcomponents for power conversion, energystorage, energy management and a portal forcommunications for residential solar electricsystems. The inverters, charge controllers,and energy management systems will haveprovisions to communicate with utility energyportals for implementation of the seamlesstwo-way power flows of the future.

Apollo Solar:

John Pfeifer

High efficiency Grid-tied Inverter System,Communications Portal, Charge Controller,Energy Management System

Technologies AddressedTechnologies Addressed

Edison Materials TechnologyEdison Materials Technology

Center (EMTEC) Center (EMTEC) SEGIS - Emerson PV Inverter


EMTEC and its team will develop 3-phase, highlyefficient, small footprint, innovative powerconversion, energy storage and energy managementcomponents for commercial- and utility-scale PVsystems. The R&D will create an integrated gridcontroller that works in conjunction with customersmart meters and that will respond to pricing signalsto provide more predictable economics. Overall, theproducts will minimize fluctuations in electricitysupply and demand.

Large Scale Inverter (up to 2-MVA),Energy Storage, Energy Management,Integrated Controller



LeadEmersonNetwork

LiebertCorporation

K&H EnergyServices/ Hulland Associates

Ohio State Univ.

JonVanDonkelaar(EMTEC)



20% - 20% - 50%$250K$6,250K

(Enphase Energy) Nano-inverter, VAr Control,

& Energy Management System Methodologies


Enphase Energy and its team will develop acomplete module-integrated solar electricsolution managed by an energy managementsystem (EMS). The EMS will also interfacewith utilities to allow advanced control formodular utility-interactive applications.

High efficiency Nano-inverters, ControlModules, Integrated System, EnergyManagement, VAr Compensation.



LeadEnphaseEnergy, Inc.

Several PVModuleManufacturersHave ContactedEnphase.Dr. Steve

Sheppard



20% - 20% - 50%$250K$6,250K

(General Electric Global Research)(General Electric Global Research)Grid Integration of High-penetration Solar Energy



GE will advance residential PV generationcoordination with energy storage, responsiveloads, and demand side managementprograms. Grid connectivity to meetanticipated new requirements for enhancedthree-phase inverter controls and distributionsystem controls will be improved. Lead

GeneralElectric

Sentech

NM Tech

AEP

Duke

RayetteFisher

Advanced Inverter Controls, Energy Storage,Demand Response, Residential EnergyManagement, Utility Distribution Automation




20% - 20% - 50%$250K$6,250K

((NextekNextek Power Systems) Power Systems) Advanced PV Interface

Providing Concurrent AC & DC Power Network Support


Nextek will modify an existing power gateway designto incorporate bi-directional current flow, highervoltage, and added functionality including integratedcommunications and energy management for value-added PV utility interconnection and micro-gridapplications. The advances will improve theLevelized Cost of Electricity (LCOE) of commercialsystems while expanding applications for gridinterconnection and energy management.

Direct Coupling® Where DC Power SourcesDirectly Serve DC loads, Bi-directional EnergyGateway, System Control




20% - 20% - 50%$250K$6,250K


Lead

Nextek

HoustonAdvancedResearch Center(HARC)

Non-profit scientificorganization tohelp bring productsto market

(Petra Solar) (Petra Solar) Economically Viable, Highly

Integrated, Highly Modular SEGIS Architecture


20% - 20% - 50%$250K$6,250K


Cost Share (total)DOE Stage 1DOE Max (3 stages)

Petra Solar will advance grid interconnection, cost

reductions, system reliability, and safety through low

cost, easy-to-install, modular and scalable inverter

power architectures that are scalable from 5kW to

20kW. Advances include multi-layer control,

communication architecture, monitoring and

controlling a cluster of AC module inverters, and a

strategic EMS switch junction box.

Smart Grid Interconnection, System Cost,Modularity, System Reliability, Safety, andAdvanced Scalable Inverters


Adje Mensah


Lead

Petra Solar

Florida PowerElectronicsCenter

Florida SolarEnergy Center

Lakeland ElectricEchelonBP SolarEvergreen Solar

(Premium Power Corporation)(Premium Power Corporation)Intelligent PV Inverter



Premium Power will develop an invertersystem that makes PV economically viable interms of investment cost, operating cost, andsystem lifetime. An intelligent PV system forcommercial and utility scale applications withan advanced inverter having energymanagement and optimization capabilities forhigh values of solar energy will be developed.

LeadPremiumPower

Utility Partnershave beencontacted

WilliamO’Donnell

Intelligent PV system, Energy Managementand System Optimization.




20% - 20% - 50%$250K$6,250K

(Princeton Power Systems)(Princeton Power Systems)Demand Response Inverter


Princeton Power will develop a completedesign for a 100-kW “Demand ResponseInverter” based on its unique invertertechnology. The design will be optimized forlow-cost, high-quality manufacture, and willintegrate control capabilities includingdynamic energy storage and demandresponse through load control.

Demand Response Inverter, Load Control,Energy Storage, High Efficiency Components,Grid Integration.




20% - 20% - 50%$250K$6,250K


Lead

Princeton PowerSystems, Inc.

TDI Power Corp.

Worldwater andSolarTechnologies

Gaia PowerTechnologies

((PVPoweredPVPowered) ) Maximum Power Point

Tracking, Advanced EMS and Utility Integration



PV Powered will develop a suite of maximumpower point tracking (MPPT) algorithms tooptimize energy production from the fullrange of available and emerging PV moduletechnologies. The work will also developintegration of communications with facilityenergy management systems and utility gridmanagement networks.

Lead

PVPowered

PortlandGeneralElectric Team

South DakotaStateUniversity

Northern PlainsPowerTechnologies

Optimized Performance Algorithms,Advanced Data Collection, Communicationsand Energy Management Systems (EMS)




20% - 20% - 50%$250K$6,250K

Dr. SteveHummel

((SmartSparkSmartSpark)) Alternating Current

PV Module with System Interface



SmartSpark will design, construct, test, andcommercialize an alternating-currentphotovoltaic (ACPV) module with a grid-integration system interface. The ACPVmodule will be accompanied by an advancedsystem interface that provides systemdiagnostics, performance, data logging, andutility interconnection.

Lead

SmartSpark

EvergreenSolar

Innovolt Inc.Jeff Layton

AC PV Module, Grid Integration Interface,Diagnostics, Data Logging




20% - 20% - 50%$250K$6,250K

(Florida Solar Energy Center at UCF)(Florida Solar Energy Center at UCF)Development, Validation and Commercialization of

Grid-Smart Inverters for Wider PV Technology Utilization

t0



The FSEC and UCF team will develop new conceptsand enhance “Smart Grid” development. A “shared”inverter serving multiple residential or commercial PVarrays located at a distribution transformer will bedeveloped. Work includes battery storage, utilitycontrol, communication, monitoring, or buildingenergy management systems (BEMS). An “anti-islanding” strategy that allows PV on line during griddisturbances will improve grid stability. New inverterarchitectures will bring more stability to the grid.

LeadUniversity ofCentralFlorida

SatCon

SENTECH Inc.

EnFlex

SunEdison

Northern PlainsPowerTechnologies

Lakeland ElectricUtilities

Robert Reedy(FSEC/UCF)

Utility Control of Enhanced Inverter Features,Disturbance-tolerant Anti-Islanding, SharedInverter, Energy Storage, Building Interaction




20% - 20% - 50%$250K$6,250K

(VPT Energy Systems) Inverter Control, Vehicle-to-Grid

Integration using Bidirectional Power Converter, and

Integrated Power Hub and Power Hub Controller



VPT and its team will develop components andoverall system designs for integrated energy systemsthat include plug-connected vehicles and distributedenergy resources. The R&D includes: controllers thatadd sophisticated grid interoperability, active anti-islanding including intentional islanding control toexisting inverters; a bidirectional power converterdesigned for plug-connected vehicles; andintegration systems for DC/AC grid-interactivedistributed energy resources such as solar and wind.

Lead

VPT EnergySystems

Team Members

Center for PowerElectronicSystems atVirginia Tech

Plug-InConversionsCorp.

SolarConnexion

Breakell Inc.

DeltaElectronics

Dr. GlennSkutt

Vehicle integration with grid systems,Bi-directional Power Inverter/Rectifiers,Integrated Systems for Distributed Resources




20% - 20% - 50%$250K$6,250K

• Advanced Semiconductor Uses• Highly-integrated Custom ICs• Integrated Communication• Micro-grid Controls & AMI• MEMs & SiC Applications• Integrated Cooling/Packages• Advanced Surge Suppression• Diagnostics/Gateways• Interactive Monitoring• Innovative Packaging• Internal Protection/Longevity• Magnetic Materials

– Lower cost, higher performing– Planar & integrated devices– Nano-crystalline materials

Advanced Component ApplicationsAdvanced Component Applications

Through the Through the ““SEGISSEGIS”” Program Program

• Energy Management andCommunications Methods– I/O protocol

– Wireless/PLC/Ethernet/

– Value-addedSensors/Detection to ImproveUtility Acceptance

– Advanced communicationsdevices, sensors andmethodologies

– Integration with Storage

Advanced Methodology ApplicationsAdvanced Methodology Applications

Through the Through the ““SEGISSEGIS”” Program Program

AC Primary Load

PV Power

Excess PV Generation

Unmet Load

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0 4 8 12 16 20 24

March 10th (Hours)

Po

wer (kW

)

““SEGISSEGIS”” Near Term Near Term

Spin-off ApplicationsSpin-off Applications• Future Solar America Cities Programs

• Critical State Supported DemonstrationGeneration Programs

• Joint Utility/Industry Programs to MeetRenewable Mandates

• Intermittency Mitigation with Energy Storage

• Residential PV Developments

• PIHV Applications

• Micro-grid Installations

• Device & System Self-protection/Reliability

– Hardware and software advances to protect theinverter and components for high reliability

– Advanced systems to Predict SystemStatus/health/lifetime

• Improved Inverter AND System Modeling toFacilitate Advanced Adaptive Controls

• Customer Friendly Layout, Aesthetics,Mounting

Inverter/Controller/BOS/EMSInverter/Controller/BOS/EMS

Next-Generation Logistics NeedsNext-Generation Logistics Needs

SummarySummary

•• Advanced Integrated Inverters and EnergyAdvanced Integrated Inverters and EnergyManagement that Meet SAI Goals are beingManagement that Meet SAI Goals are beingfunded through SEGISfunded through SEGIS

•• Inverters/controllers/BOS/Storage will likelyInverters/controllers/BOS/Storage will likelybe elevated to system control and energybe elevated to system control and energymanagementmanagement

•• Inverters/controllers are becoming moreInverters/controllers are becoming morecomplex, but reliability & costs mustcomplex, but reliability & costs mustcontinue to improvecontinue to improve

•• Further SEGIS advances will enable HIGHFurther SEGIS advances will enable HIGHPENETRATION of PV using energy storagePENETRATION of PV using energy storageand micro-grid controls/optimizationand micro-grid controls/optimization

THANK YOU!THANK YOU!

Residential

Commercial

References:

http://www1.eere.energy.gov/solar/systems_integration_program.html

http://www.sandia.gov/solar/

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The US DOE Solar Energy Grid Integration Systems Program “SEGIS” · 2009-02-05 · The Needs -...

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