2016 ELECTRI International Green Energy Challenge

Edwards Elementary School

Representatives of Cyclone Energy

Scott Miller

Energy Efficiency

Analysis

Dylan Busby

Lighting Retrofit

Caleb Bonderer

Solar Energy

& Outreach

Rick Smith

Estimating &

Scheduling

Regan Smiley

Project Overview &

Summary

Faculty Overview & Site Visit

Edwards Elementary

• Constructed in 2014

• 70,700 square feet

• Kindergarten through fifth grade

Recommendations

Highlights

• Better insulation

• LED and daylight controls

• Photovoltaic tracking

system

Energy Audit and BenchmarkEPA Portfolio Manager

• Assessment: Input 12 months of

utility data to track energy usage

• Score: 90 out of 100

DOE Asset Score tool

• Assessment: Model mechanical

equipment and thermal properties

• Score: 9 out of 10

EPA ScoreSite EUI

kWh/ft2

Annual Usage

(kWh)

Edwards Elementary 90 9.11 644,000

Energy Star Requirements 75 11.69 827,000

National Median 50 14.98 1,059,000

Energy Audit and Benchmark Recommendations

Heat loss through lintels Heat loss through soffit Infiltration around doors

• Pros: Increase energy

performance even further

• Cons: Extended payback

period

Apply recommendations to new facilities and

major renovations for future facilities.

Lighting RetrofitSpace Assessment

Design goals:

• Update fixtures

• Increase efficiency

• Even-out distribution

Callout Manufacturer Fixture Type Qty

A1/A2 Columbia Lighting Recessed 2x4 LED Troffer 379

A3 Columbia Lighting Recessed 2x4 LED 9

A7 Prescolite General LED Downlight 68

A8 Columbia Lighting 2x4 High Bay LED 32

A9 Finelite Linear Pendant LED 36

A10 Columbia Lighting Recessed 1x4, Direct/Indirect, ACT Ceiling LED 96

A11 Columbia Lighting Recessed 1x4, Direct/Indirect, Gyp Ceiling LED 41

A17 Kenall Linear Wall Mounted LED 3

Design Goals:

• Decrease energy

consumption

• Utilize daylight

harvesting technology

• Improve occupant

comfort

Lighting RetrofitLighting & Daylight Controls

REPLACE WITH

A PIC FROM

EDWARDS!

PV Considerations

Solar Energy Science Education System

Design Goals:

• Conserve greenspace

• Maximize energy

generation

• Use array as teaching

tool

Design Options:

• Roof-mounted

• Canopy-mounted

• Sun-tracking

Solar Energy Science Education SystemPV Sun-Tracking System

Solar Highlights

• Annual Power Output of

12,000 kWh

• FRONIUS Primo 6.0

inverter

• Design life of 25 years

Solar Energy Science Education System

Example of scientific and kid-friendly units

Web-Monitoring Device

Schematic EstimateCost Breakdown

Lighting $ 117,269

Controls & Shades $ 16,684

Other $ 26,790

General Requirements $ 4,019

Total Project Cost = $164,762

3/7/2017 3/27/2017 4/16/2017 5/6/2017 5/26/2017 6/15/2017 7/5/2017 7/25/2017 8/14/2017

Final Acceptance

Final Inspections and Project Closeout

Substantial Completion

Planned Shutdown for PV Connection

Solar Photovoltaic

Lighting Retrofit

Lighting Procurement

Start Construction

ACSD Submittal Review and Approval

Submittal and Shop Drawings

Start of Design

Schematic ScheduleLegend

Milestone

Critical Path Activity

Non-Critical Path Activity

8/4/2017

7/26/2017

7/19/2017

5/23/2017

3/9/2017

Total Project Calendar Days = 149

Financing PlanPayback Analysis

Option 2 Loan Details:

• Total Project Cost: $164,762

• Loan Amount: $168,057

• City of Ames Rebate: $27,459

• Annual Savings: $20,052

• Payback Period: 7 years

Client Engagement and Business Development

Outreach Projects

• STEM Night at Edwards Elementary School

• Iowa State University Middle School Day

Advancement of NECA

Project Recap

Duration: 149 calendar days

Total Cost: $164,762

Payback Period: 7 years