implementation issues & best practicesimplementation issues & best practices south dakota...
TRANSCRIPT
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Implementation Issues & Best Practices
South Dakota Small Generator Interconnection Workshop
March 19, 2008
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Discussion Outline
I. Intro to implementation issuesII. What are interconnection “best
practices”?III. How does strawman rule address
implementation issues?
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Interconnection Standards
Technical issues include safety, power quality, system impacts.
Implementation issues include legal and procedural considerations.
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Interconnection: Putting the Pieces Together
Testing & Certification
Implementation: Rules & Agreements
Standards
Technical
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Elements of Standardized Procedures
Application and review proceduresFees and timelinesInsurance requirementsBusiness termsDispute resolutionStandard forms and contracts
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Goals
Keep costs fair and proportionate to project sizeMake rules transparent, uniform, detailed and publicProvide streamlined review for qualified projectsStandardize and simplify forms
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Key features
Technology neutralContext specificTransparentAvoid cost-shiftingFair and non-discriminatoryConservative
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Interconnection Processes -- States
Yes
-- - -OID - I
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“Best practices” - EPAct 2005
“…agreements and procedures shall be established whereby the services offered shall promote current best practices of interconnection for distributed generation…”
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“Best practices” SDPUC Order 7/26/07
“The Commission finds that it will adopt the interconnection standard … this standard will facilitate the development of distributed generation and encourage the goals of PURPA. Interconnection procedures that reflect current best practices will assist customers who are interested in developing and implementing distributed generation …”
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Sources of “best practices”
FERC Small Generator Interconnection Procedures (2005) -http://www.ferc.gov/industries/electric/indus-act/gi/small-gen.asp
Other state rulesNew Jersey, Oregon, Colorado, MarylandNNEC “Freeing the Grid” Report (2007)
“Best practice” modelsIREC Model - www.irecusa.org/index.php?id=87
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A Brief History of lnterconnection Standards/Procedures Development
lnterconnection Procedures
PJM Develops lnterconnection Procedures as Part of OATT 1 FERC lssus
Small Generator -I-
Model lnterconnection
I Procedures I
Interconnection Interconnection
1'4 C I V l H
nterconnection Certification
Issues NO 3ased 01
MADRl
LVVJ Lrnu I
lnterconnection Requireme
Pennsylvnania Develops Final lnterconnection
Oregon Begins Development of lnterconnection
i/Vork On 1547 Standards
for
Published as a Technical Standard
PJM Small Gen Technical
Requirements
I E 1547.1 UL 1741 IEEE 1541
ocedures Harmonized Approved
Continue1 Progress (
Remaining II 1547 Standards 4
lnterconnection Technical Standards Source: Brad Johnson, ACN Energy Ventures
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Maps
Source – U.S. EPA, Combined Heat & Power Partnership
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FERC Interconnection Rules
Order 2003 - Large Generator Interconnection Procedures (> 20 MW)Order 2006 a & b – Small Generator Interconnection Procedures (< 20 MW)
Directed as a “model” to states3 procedural pathways or “tiers”Includes standard application forms and agreements
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FERC SGIP (cont’d)
3 procedural pathways or “tiers”< 10 kW, inverter-based and meets screens< 2 MW and meets screensStudy process for everything else
Screening criteria< 15% of peak load on radial cktOther screens capture fault current contribution, imbalance, stability, etc
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FERC SGIP (cont’d)
Study process for systems to 20 MWFeasibility studyImpact studyFacilities study (if construction req’d)
Many states cut off at 10 MW (DG above this threshold often FERC jurisdictional)
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Issues not resolved by FERC
Extraordinary insurance requirementsExternal disconnect switchNon-exporting (“Level 3”) pathway
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State rules – IREC Project
State-by-state tableshttp://www.irecusa.org/index.php?id=89
DSIRE Maphttp://www.dsireusa.org/
IREC Model Interconnection Rulehttp://www.irecusa.org/index.php?id=87
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“Freeing the Grid” – 2007www.newenergychoices.org/uploads/FreeingTheGrid2007_report.pdf
“A national consensus is emerging around state interconnection policies”Evaluates and “grades” the various state interconnection rules based on best practice criteria.
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Freeing the Grid criteriaEligible technologiesIndividual system capacityBreakpoints for “tiers”TimelinesInterconnection chargesEngineering chargesExternal disconnect switchCertificationTechnical screensNetwork interconnection requirementsStandard agreementsInsurance requirementsDispute resolution
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South Dakota strawman
Tomorrow.