Energy Efficiency Program OverviewJuly 18, 2017

Charlotte County Facilities Construction and Maintenance1

Scope and Purpose

• County facilities oriented• Highlight selected strategies• Foundation – Current – Moving Forward

Energy efficiency  Current status                   Moving Forwardprogram foundation

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• Feedback and guidance

Industry Standards and Guidelines

• Charlotte Countyo Energy Efficiency Conservation Strategyo Comprehensive Plano Green Building Program

• Floridao Florida Energy Conservation and Sustainable

Buildings Act (FS 255.251)o Florida Building Code, Energy Conservation

• Federalo EO 13693 (2016) Optimizing Energy Performance 3

BCC Focus Areas Supported

• Infrastructureo Maintenance programs

and cost delineationo Implement projects

• Efficient and Effective Governmento Innovationo Performanceo Accountability o Analytics and data driven

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Energy Efficiency Conservation Strategy

• Adopted, 2011• Outlined broad-based energy

efficiency and conservation goals

• Identified key goals, objectives, policies, and projects

• Over 80% of listed projects complete; several others underway

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Energy Efficiency Program Evolution

• County’s energy efficiency program has evolved including:o Energy auditing, benchmarking, measurement and

verification – energy performance savings contracto Research – LED, HVAC automationo Operational best practices – occupancy sensors,

FPL rate plans, low-flow plumbing fixtureso Capital improvements/retrofits

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Energy Initiative StrategiesTECHNIQUES• Geothermal• Photovoltaic• Metering analysis/

sub-metering• Thermostat

settings• LED lighting• Green sports

lighting• Solar hot water• Energy star

appliances• Window tinting

SYSTEMS• Electrical and

Lighting • HVAC • Plumbing• Building envelope• Equipment, motors,

pumps• Building automation• Sports lighting

controls

PROGRAMS• EnergyCAP software• Energy performance

contracting• FPL rate plans/rebates• Grants• Third-party certification• Life cycle cost analysis• Green standards• Training/user compliance• Advisory committee• Energy audits/

commissioning• Measurement &

verification

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Interrelationships of Energy Initiatives

TECHNIQUES SYSTEMS

PROGRAMS

behavioral changestechnologies

reduce fossil fuel usageenergy efficiency

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% Savings Effectiveness

Industry Standards for Potential Savings

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Return on Investment (ROI)

Industry Standards for Potential Payback (ROI)

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Advancing Technologies Impacting Energy Initiatives

• Solar photovoltaicAdvancing technology + decreasing prices

= Potential payback (ROI) reduction

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Human Services Solar Photovoltaic (2012)

Advancing Technologies Impacting Energy Initiatives

• LED sports lighting o Improved technology

accompanied by equal warranties (25 years)

o Improved light spill and glare control

o Instant on / offo 25% more energy savingso 10% price reductiono ROI nearly equivalent 12LED Sports Lighting vs.

Green Sports Lighting Illustration

Guaranteed Energy Performance Savings Contract

• Siemens Industry, October 2013• Funded by energy savings

o simple payback average 13.8 years• 20 facilities targeted• Lighting, water, HVAC, pools,

pumps, building weatherization, Sports Park ballfield lighting

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Building Weatherization Upgrades

Guaranteed Energy Performance Savings Contract

• $155,041 exceeding guarantee• Accumulated savings $757,235 to date

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EnergyCAP

• Global reporting of county-wide electric, water, and gas usage

• Mechanism to track energy usage and expenditures

Comparison from 2015 (BLUE) to 2016 (GOLD)

Tringali Tennis and Roller Hockey NCRP Soccer Fields

Ele

ctric

(kW

h)

15

EnergyCAP

• Tool to identify heavy energy usage• Goal: NTE benchmark annual target

Annual Target

YTD Target

Murdock Campus, Building A (Annual Electric Usage Comparison)2014 2015 2016 2017 YTD

2.5

2.0

1.5

1.0

0.5

0.0

kWh

(X 1

,000

,000

)

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FPL Rate Plan Conversions

• 18 sports lighting meters at 7 parks were identified for seasonal time-of-use rate plan

• Projected annual savings ~ $50,000

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FPL SolarNow Program

• Voluntary customer participation• FPL installation, operation and maintenance

of solar energy demonstration projects• Charlotte County opportunity as host site

o No cost to Countyo Visibility – promote environmental stewardshipo Long-term lease agreemento Locations mutually agreed upon with FPL

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• Solar Canopy

FPL SolarNow Program

• Solar Trees

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FPL SolarNow Program

• Potential Locations – Solar Trees

20Locations and quantities may vary.

Ann Dever Regional Park Charlotte Sports Park

FPL SolarNow Program

• Potential Locations – Solar CanopiesTringali Park / Englewood Library

21Locations and quantities may vary.

Charlotte Sports Park

Key Energy Savings InitiativesEnergy InitiativesSolar PhotovoltaicLED Sports LightingGreen Sports LightingLED Building Lighting LED Parking Lot LightingOccupancy SensorsHigh-Efficiency Air ConditioningSolar Water HeatersHigh-Efficiency TransformersWindow TintingBuilding Envelope SystemsBuilding Automation SystemsThermostat ControlsGeothermal

Recent ExamplesHuman Services BuildingSouth County Regional ParkNorth Charlotte Regional ParkMurdock Campus, Building DMid County LibraryGrace Street AnnexMurdock Campus, Building AFire Station #12Murdock Campus, Building BEvent CenterHarold Ave Rec CenterJustice CenterCharlotte Sports ParkSouth County Park Pool

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New and Retrofit Project Energy Efficiency Strategies

• Retrofit or Renovations Strategieso Best Return on Investmento Capital Infrastructure Replacementso Heavy Energy Usage Reductions

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Event Center High Bay LED Lighting Retrofit

Before After

New and Retrofit Project Energy Efficiency Strategies

• New Projectso Best practices o Techniques, Systems, and Programs o Building Energy Modeling o Building materials and technologieso Project evaluation matrix

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Sheriff’s District 1 Headquarters

Third-Party Certifications

• Florida Green Building Coalitiono climate specifico overlay to Florida Building Code

• Green Building Initiative (Green Globes)

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Harold Avenue Concessions

Third-Party Certifications

• Leadership in Energy & Environmental Design (LEED)

• International Green Construction Code

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Human Services Building

Moving Forward

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• Solar analysis• Secure internships for research and analysis• Optimize data input/analysis from EnergyCAP• Enhance performance of heavy energy usage

buildings• Re-introduce third-party building certification• Smart building automation systems• Formalize energy efficiency basis of design• Continue funding dedicated to energy efficiency

Questions

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