MGE Commercial Building Analytics / BenchmarkingSustainable Madison Committee

02/23/2020

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Background and objectives

Objective

Provide MGE with a robust dataset that can be used to develop city-wide programming that targets specific business segments and augments traditional energy efficiency programs

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Compiling the datasets

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Utility dataset Property tax data

Dataset linked by address

Manual lookups

Analytic dataset

Commercial

Building

Energy

Consumption

Survey

Linked dataset

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Utility dataset

7,207 records

Property tax

data2,978 records

Matched data

2,347

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Results

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Results

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Office – Total EUI

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Office – Heating EUI

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Food Service – Total EUI

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Food Service – EUI Breakout

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All Business Types

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Energy efficiency opportunities

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• Calculated the potential energy savings through

applying typical energy conservation measures to

select building types

• Ran 91 energy models using DOE2.2 – an industry

standard modeling software

• For the following buildings and assumed size: • Small office (5,000 SF)

• Large office (80,000)

• Food service (5,000 SF),

• Lodging (40,000 SF) retail (7,000 SF)

Characterizing potential energy savings

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Measures

Envelope

• Increase roof

insulation

• Increase wall

insulation

• Improve window

properties

Lighting / Plug load

• Decrease plug or

process loads

• Retrofit lighting

• Install lighting

controls

• Retrofit exterior

lighting

• Install exterior

lighting controls

HVAC

• Implement

demand

controlled

ventilation or

make-up air

controls

• Increase heating

efficiency

• Increase cooling

efficiency

DHW

• Increase domestic

hot water

efficiency

• Install low flow

fixtures

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EUI impacts - Small Office

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EUI impacts - Large Office

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EUI impacts - Food Service

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EUI impacts - Retail (non-mall)

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Overall Energy Savings by Building

13.5

22.2

43.1

26.2 35.722.4

-

200,000

400,000

600,000

800,000

1,000,000

1,200,000

Office Large Lodging Education Retail nonmall

Food Service Office Small

kB

tu

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Focus on Energy

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MGE Benchmarking tool

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• Targeting marketing to encourage MGE

customers to benchmarking through

Benchmarking tool and participate in Focus on

Energy

• Promote and leverage Focus on Energy’s new

small business offerings that include an online

assessment and sector-specific energy saving

starter packs.

Opportunities for MGE / Focus on Energy collaboration