Integrated Grid Pilots - s3.amazonaws.com€¦ · Lessons Learned from IG Pilots Cross-cutting...

© 2015 Electric Power Research Institute, Inc. All rights reserved.

Lindsey Rogers

PDU Austin Advisory Meeting

February 2016

Integrated Grid PilotsProject Update

2© 2015 Electric Power Research Institute, Inc. All rights reserved.

Phase IIntegrated Grid (IG) Concept

Feb 2014

Phase 2Benefit/Cost FrameworkJan 2015

Phase 3Demonstrations

Now

Extensive Industry Coordination in All Phases

http://integratedgrid.epri.com/

Developing the Foundation for an Integrated Grid


Pilot Projects Underway

SCE DES Valuation

Entergy PV + Energy Storage

Hoosier Utility Scale PV

NYPA PV + ES CUNY SHINES

HydroOne Impact &Value of ES

NYPA PV + ES SUNY New Paltz

KCPL EV Infrastructure

TVA Integrated Value of DER

WeEnergies Grid-Interactive Microgrid

AEP I&M Clean Energy Solar

SRP Residential Advanced Inverter

APS Utility Owned Residential PV

Alliant Energy Star PowerFor planned or existing technology deployments

Understand capability of DER

Power system analysis to understand integration

Implement approach

Collect and analyze data to assess field performance

Assess costs and benefits of integrating DER

LGE Energy Storage


Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

Project Kick‐Offs

Technology Assessment

Field Preperation

Technology Integration

Power System Analysis

Field Demo & Analysis

Cost‐Benefit Assessment

Key Areas of Focus2015 2016 2017 2018

Timeline of Pilot Projects


Lessons Learned from IG Pilots

Cross-cutting utility teams are needed in every step of the process for successful procurement and integrationNo procurement specifications exist for community scale PV

plantsConsistent application of existing standards enables more

seamless integration between manufacturers and utilitiesStandards for performance is critical to ensuring

technologies can be relied on in the field– Example: +/- 5% voltage accuracy with smart inverters is not enough

when using for grid support

DER communication and control is not yet utility-gradeUtility hands-on experience is vital to technology readiness

for the Integrated Grid


2016 Tech Transfer Plan

Project Fact Sheets Progress Reports & WebcastsQuarterly Newsletters Annual Report IG Workshop – Thurs @ Sept

Advisory


Communication Beyond EPRI Members

Each pilot has a communication plan

Progress and results will be shared with industryand public stakeholders via Website, media, marketing collateral

Fact sheet, project overview & schedule, Annual Public Report produced

New Website coming soon!


Resources

Pilot Projects: One Year Update

The Integrated Grid: Realizing the Full Value of Central and Distributed Energy Resources (3002002733)

The Integrated Grid: A Benefit-Cost Framework Final Report (3002004878)

Integrated Grid Pilot Projects (3002005004)

Capacity and Energy in the Integrated Grid (3002006692)

integratedgrid.epri.comNew Site Launched!


Supplemental Slides


Integrated Grid: The Vision

Power System that is Highly Flexible, Resilient and Connected and Optimizes Energy Resources


The Benefit-Cost Framework


Putting IG Framework to the Test

Solar

Customer-Side

Distributed Energy Storage

Electric Vehicle

Solar with Energy Storage

Microgrids

Demonstration PilotsBetter understanding of

operational values, issues & economic impactsProvide rigorous testing

platform for system evolution Deliver consistent,

repeatable transparent methodology to validate an integrated approachEnsures the ability to make

the most prudent business/investment decisions going forward


EPRI Integrated Grid Pilots

Utility Scale Solar

Utility Scale Solar + Storage


Microgrids

EV Charging Infrastructure

Customer-Side Technologies

We Energies

AEP

Alliant

TVA

Hoosier

KCPL

NYPA

APSSRP

Entergy

HydroOne

SCELGE


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0 2 4 6 8 10 12 14 16 18 20 22Hour

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Customer LoadCustomer PV (-)

Customer Load and PV

Research Questions Currently Being Answered

• How are PV plants performing relative to local weather conditions?

• How dependable is solar power capacity?• How does aggregated solar power align

with utility load shape?

• How does the battery perform?• How does battery based storage perform

as an integrated, dispatchable resource?

• What design methods for technology selection?

• What are economic impacts to distribution systems when integrating DER?

• Does actual ROI meet predicted?

• What are the operational values, performance issues and economic benefits?


• Where and to what extent is the power system impacted when siting PV and ES?

• How effective are smart inverters at increasing hosting capacity?

• How does the smart inverter perform in various control modes?

• What are the options and protocols for DMS/DERMS communications?

• What are the most effective operating practices for smart inverters?

• How effective is ES in mitigating local issues from PV?

• What is the optimal solution for managing voltage issues with PV & storage?

• What additional burden does storage place on communications?

• What new practices in grid planning, controller functionality & interconnection guidelines are needed?

Research Questions Currently Being Answered

Components of a Smart

Inverter


Host an IG Pilot to get Hands on Experience

Solar

Customer-Side


Electric Vehicle

Solar with Energy Storage

Microgrids


Tech Transfer to Learn from Ongoing Pilots


WeEnergies Grid-Interactive MicrogridProjectOvercoming technical challenges of grid-interactive microgrids– Interconnection –Controller–Communications Identifying the benefits and costs of a microgrid to multiple stakeholdersObjective: understanding and demonstration of microgrid


APS to own/operate 1500 residential PV systemsPilot focused on

distribution impacts and interoperabilityObjective: determine

impact to system and ability to use them as part of operations

Smart Inverter Pilots – Distributed PV

SRP to own/operate 1000 smart invertersPilot to test need to control

inverters in real time and impact of smart inverters across distribution systemObjective: determine

changes to interconnection requirements, and planning practices


Alliant Star Power Solar Project

Objective: –Understand and quantify the characteristics and

performance of combined PV and Battery systems.Key areas of focus:

–Evaluate the performance of different PV technologies and O&M needs

–Understand the use of battery systems


AEP Utility Scale PV Project

Objective:–Understand and quantify the characteristics and

locational impacts of utility-scale PV.Key areas of focus:

–Evaluate impact of utility scale PV connected to the distribution system in different locations

–Quantify the costs and benefits associated with the distribution impact

–Evaluate PV system performance


Entergy PV + Energy Storage Project



–Evaluate the impact of a utility scale PV +ES system to the distribution system

–Evaluate different control schemes –Evaluate the cost and benefits of the

PV+ES system


LGE Energy Storage Project


performance of energy storage system.Key areas of focus:

–Evaluate the impact of a utility scale ES system to the distribution system


ES system


Hoosier Utility Scale PV Project

Objective:–Understand and quantify the characteristics and

locational impacts of utility-scale PV.Key areas of focus:

–Evaluate impact of utility scale PV connected to the distribution system in different locations

–Quantify the costs and benefits including energy savings

–Evaluate PV system performance and assess solar forecasting


HydroOne Distributed Energy Storage ProjectObjective:

–Understand and quantify the impact of distributed energy storage systems to improve distribution planning.

Key areas of focus:–Evaluate three operational scenarios with energy

storage–Utilize and refine streamlined methods

to quantify impact across distribution system


SCE Distributed Energy Storage Project

Objective: –Understand and quantify the impact of distributed

energy storage systems to improve distribution planning.

Key areas of focus:–Evaluate three operational scenarios with energy

storage–Utilize and refine streamlined methods

to quantify impact across distribution system


KCPL Analysis & Valuation of Clean Charge Network Project

Objective:–Quantify the potential value of installing PEV

infrastructureKey Areas of Focus:

–Analyze the impact and value of installing 1,000 PEV charging stations on their distribution system

–Determine ability to utilize PEVs for generation-level optimization

–Project economic development benefitsof added PEV infrastructure


NYPA PV + Energy Storage Project



–Evaluate the impact of a utility scale PV +ES system to the distribution system


PV+ES system


TVA Integrated Value DER Project

Objective:–Evaluate the impact of the integration of distributed

energy storage on the distribution and bulk system level

Key Areas of Focus:–Quantify the costs and benefits of integrating the

resource–Determine optimal control and operation of the DES–Determine future resource planning impacts in

distribution and bulk system–Understand how the technology performs

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