Mechanical EngineeringME217 Energy, Environment & Society

ME 217: Energy, Environment & Society Fall 2015

TermProject:

energy storagefor the home

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Anonymous poll

A) Not at all

B) Not aware, but I wish I knew more

C) On a monthly basis, from the PNM bill

D) I have a good idea of what each appliance uses

E) I track energy usage daily

How aware are you of your home electricity consumption patterns?

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Structure of the utility grid

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What the grid sees now

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Baseload powerVogtle nuclear plantWaynesboro, GA2 x 1200 MW

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PeakersJV II natural gas plantHamilton, OH32 MW

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The load duration curve

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Growing trends in renewables

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What utilities are afraid of

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Typical home energy use patterns

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Your professor's energy use

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Your professor's PV systemPower-OnePVI-5000-TLinverter

16 x Sunpower 327 modules

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Your professor's solar production

sunny day

cloudy day

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Electricity rates in New Mexico - 1A

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Electricity rates in New Mexico - 1B

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Electricity TOU rates in California

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Intermission

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The Tesla Powerwall

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Storage system configuration

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How we could use a battery

Backup for when utility goes offline (seldom)

Charge from PV, use at night / on peak

Save on electricity – but how?

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Your tasks

For NM and CA: Determine size of battery needed

Determine schedule

Calculate cost or benefit of installing battery

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The Calibrated Peer Review system

Each paper will be graded by 3 other students

The grade for each paper will be a weighted average of the 3 grades

Grading 3 papers is a necessary condition for getting a grade on yours

We will calibrate each student's grading based on your evaluation of a set of three “standard” worked solutions

You will be provided with a grading rubric to guide your grading.

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Project timeline

October 27: project to be assigned (including calibration questions)

November 5: calibration responses due

November 12: review session, Q&A

November 24: projects due

December 1: peer evaluations due

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Questions?