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Energy Storage, Microgrids & IEEE 1547 Interconnection Energy Storage, Microgrids & IEEE 1547 Interconnection

Energy Storage, Microgrids & IEEE 1547 Interconnection - PowerPoint Presentation

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Energy Storage, Microgrids & IEEE 1547 Interconnection - PPT Presentation

Chuck Hookham PE June 28 2017 Demand for electricity eg light bulb motor requires an operating generator and wires Oneway Grid power flow very limited storage Grid Reqmt ID: 624135

energy storage grid microgrids storage energy microgrids grid source ieee 2017 phs benefits customer amp miso demand smart 1547

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Slide1

Energy Storage, Microgrids & IEEE 1547 Interconnection

Chuck Hookham, PEJune 28, 2017Slide2

Demand for electricity (e.g., light bulb, motor) requires an operating generator and wires

One-way Grid power flow – very limited storage

Grid

Req’mt. – voltage/frequency in tight “bands”Energy Storage – invented by Ben Franklin 1748

Electricity Basics

2Slide3

ES involves those technologies that can store produced energy until demanded later:Thermal Storage (ice, hot or cold water, CSP)

Potential Energy StorageHydroelectricity (ponds at dam sites)Pumped Storage HydroelectricityCompressed AirFlywheels (“electromechanical”)

3.

Electrical Energy Storage (“electrochemical”)Batteries Others (supercapacitors)Why?

What is “Energy Storage”?

3Slide4

Current Energy Storage Outlook – U.S.

4

Scale drives technology choice (e.g., PHS vs. BTM batteries)

Source: U.S. Dept. of Energy, “Global Storage Data Base” (2016)Slide5

94% of total US Storage CapacityBath County PHS (VA)

at 3,003 MW is world’s largest; Ludington will soon be #4

PHS annual generation:

-5.501 GWh (net, US)PHS provides significant capacity/energy and

ancillary benefits

Large Scale Pumped Hydro Storage (PHS)

5Slide6

6Storage “Placement”

(Use Case Driven)

Grid Storage (V & F)

Distribution Storage (Ops)

Customer Storage (BTM)

M

M

M

Source: EPRI (Kamath) 2017

Bi-directional FlowSlide7

Grid: ES Assets Built in MISO or MI: + Ludington PHS (1973) – 1,872 MW x 8 hrs. growing to 2,300 MW+

+ AES Battery Storage Project (2016) Indianapolis – 20 MW x 1 hr.Distribution: ES – DTE Community Energy Storage (1 MW agg. @ distributed – 2015)Microgrids: – smaller demo project(s) at NextEnergy, others. DoD/Ft. Custer

(ANG)

- 400 kW demonstration microgrid in Battle Creek (under construction) Grid Energy Storage in MISO, MI7Slide8

ES Markets robust in CAISO, PJM, ISO-NE Service Territories, Hawaii, others

. Not MIWhat are Causes? +

No direct markets (

MISO has low value for ancillary service, vs. other RTOs/ISOs) + Relatively low demand charges + Lower risks (natural, man-made)

8

National ES “Scene”

Aliso Canyon, CA, S+SSlide9

9Energy Storage “Use Cases”

Microgrids, DERs

Source: US Dept. of Energy (Crabtree) 2017

(UPS)Slide10

Use Case/Technology* by Scale

Source: Sandia National Laboratories

10

*Hybrid ES combines two or more technologies for multiple Use CasesSlide11

ES Cost ImpactsSource: Power Engineering,

Chudgar and Gabaldon, July, 201711

ES and Power Conversion (PCS) Costs on rapid decline (Li-ion batteries are a “commodity”)

*Other ES Technologies continue to face cost, reliability hurdles

Recent 2015/2016

declines even lower

t

han data/curveSlide12

T&D Grid use – resilience/performance; avoidance of investmentsIntermittent renewables – smoothing, load shifting (arbitrage)Behind-the-meter (BTM) - microgrids enhancing customer benefits, resilienceEnergy waste reduction - peak demand reduction, demand response, others

Future MISO market opportunities?Bottom Line: ES Investments must make sense for customers, MI, investorsEnergy Storage Benefits

12Slide13

Customer-built microgrids

CE-built microgrids (public purpose, C&I, other)ES/renewables yield DC; invert to AC before PCC

Source: A.

Haun (Schneider) Presentation to MPSC on 5/10/1713Microgrid FundamentalsSlide14

BTM assets generating to grid and/or islanding enabled under MI R460.601 to .656; compliance w/ MPSC GIPs (<150kW) or IEEE 1547/1547.1

criticalCE review future revisions to IEEE for safety/reliability (late 2017/early 2018)CE to monitor IEEE 2030

development –

smart grid and energy storage interoperability14

DERs and Microgrids - Standards

IEEE 1547a (2014) - Voltage regulation

and voltage/frequency response, with

“potential” for smart inverters to assist –

joint study as part of interconnectionSlide15

15DER Resource Interconnection

CE Dist. System

Significant “compatibility testing to confirm parallel/island capability

Point of Common Coupling

Comm.

Source: IEEE 1547.1

Smart inverter use to

enable active servicesSlide16

Consider ES “pilot projects” to evaluate benefits and gain experienceStudies have confirmed select storage use cases can be justified (microgrids, renewables smoothing, T&D deferral)

ES can align with Company’s focus and renewed emphasis on sustainability and customer engagement and satisfactionConsider customer DERs within State, industry, and corporate interconnect stds. with smart inverter benefits

considered where “commercial”

Where Is Consumers Energy Headed?

16Slide17

My Contact Data for any questions you might have:

Chuck Hookham Phone: (517) 768-3306 E-Mail: chuck.hookham@cmsenergy.com

Thank you!

Wrap Up17