St. Cloud, MN: The Path to Energy Neutral

The Path to Energy Neutral

Patrick Shea, Public Services Director

Tracy Hodel, Assistant Public Utilities Director

Conference on the Environment

November 9, 2016

PRESENTATION OVERVIEW

CITY-WIDE ENERGY GOAL & STATISTICS

SOLAR INITIATIVES

STREET LIGHT IMPROVEMENT PROJECT

RESOURCE RECOVERY & ENERGY EFFICIENCY MASTER PLAN R2E2

Efficiency Improvements & Upgrades

Biofuel Utilization

COMMUNITY ENERGY ACTION PLAN FUTURE INITIATIVES

7,637,301

5,074,220

2,459,865

2,309,755

1,901,541

1,862,972

1,466,915

1,289,029

979,710

700,762

660,701

567,048

564,927

512,216

444,739

395,162

133,970

Wastewater & Liftstations

Water & Towers

Street Lighting

Municipal Athletic Center

Regional Library

Rivers Edge

Law Enforcement Center

Park Department

Traffic Signals

Whitney Senior Center

Parking Ramps

City Hall

St. Cloud Airport

Paramount Theater

Central Services

Fire Stations

Emergency Mgmt Sirens

2015 ELECTRICAL CONSUMPTION ( K I L OWA T T - HOU R S )

Energy Source 2015 Totals

Electric 28,960,526 KWH $2,937,526

Natural Gas 551,266 therms $ 423,705

28,300,000

KILOWATT-HOURS

2,100

HOMES’ ELECTRICITY

ANNUALLY

47,666,031

MILES DRIVENIN A PASSENGER VEHICLE

21,222,986

POUNDS OF COAL

ENERGY PRODUCED OR SAVED

PROJECTED ENERGY SOURCESENERGY STATISTICS

2015 2018

5% Renewable 80% Renewable

SOLAR INITIATIVES

Made in Minnesota Solar Program

• Wastewater Treatment Facility 20 kW

• Police Station Headquarters 40 kW

• Fire Station 2 40 kW

Community Solar Gardens

• Subscriptions to 19 County-wide

• Installed on City property 40% of 5 MW

Behind the Meter Projects

• WW - Ground Mount PV 220 kW

• Water – Rooftop PV 272 kW

• Whitney Senior Center 100 kW

• Central Services Facility 152 kW

SOLAR INITIATIVES

1,012,800

KILOWATT-HOURS

105

HOMES’ ELECTRICITYUSE FOR ONE YEAR

1,705,871

MILES DRIVENBY A PASSENGER VEHICLE

759,528

POUNDS OF COAL

ENERGY PRODUCED

SOLAR INITIATIVES (EXCLUDES CSGS)

• Performance Contract – Guaranteed Savings

• $7.1M Tax Abatement Bond

• Project Status – Completion July 2017

• $250,000 Energy Rebates (2016 – 2018)

• Payback of Less than 15 years


• 2010 Street Lights (full replacement and retrofit)

• 48 New or Replaced Services

• 3190 Traffic Indicators

• 525 Pedestrian Crossing Signals



• 9 City Facilities and 5 Parking Ramps

• Smart Control System

• Occupancy Sensors

• Daylight Harvesting

2,873,000

KILOWATT-HOURS

258


4,737,970


2,130,760

POUNDS OF COAL

ENERGY SAVED


Street Light Improvement Project

$7.1M Tax Abatement Bond• Completion – July 2017

• $250,000 Energy Rebates (2016 – 2018)

Energy Efficiency & Biogas Project

$4.6M Energy Bond• Project Status – Construction June 2016

• $500,000 Energy Rebates (2016 – 2017)

GUARANTEED SAVINGS PROJECTS

RESOURCE RECOVERY & ENERGY

EFFICIENCY MASTER PLAN

wastewater

treatment

to

resource

recovery

ADOPTED ENERGY GOALS

5 YEARS 25% REDUCTION



ENERGY EFFICIENCY (E2)

IMPROVEMENTS & UPGRADES

Energy Efficiency

Lighting

HVAC

Pneumatic System Upgrades

Blower Optimization

1,360,000

KILOWATT-HOURS

141


2,290,664


1,019,903

POUNDS OF COAL

ENERGY SAVED

E2 IMPROVEMENTS & UPGRADES

ENERGY EFFICIENCY E2

IMPROVEMENTS & UPGRADES

Biogas Utilization

Hydrogen Sulfide Removal

Siloxane Removal

633kW Engine Generator

Electrical Generation

BIOFUEL UTILIZATION

HIGH STRENGTH WASTE STATION

BIOFUEL UTILIZATION

Hydrogen Sulfide

Removal

Siloxane Removal

Dual Fuel Generator

BIOFUEL UTILIZATION

BIOFUEL UTILIZATION

5,000,000

KILOWATT-HOURS

519


8,421,560


3,749,644

POUNDS OF COAL

ENERGY PRODUCED

BIOFUEL UTILIZATION

Energy Source

2013

kWh’s

2015

kWh’s

2017

kWh’s

Electric Demand 6,559,743 5,692,310 <300,000

Energy Generation –

Solar (20kW + 220kW) 342,000

Energy Generation -

Biofuel 5,000,000

WASTEWATER UTILITY

ENERGY STATISTICS & 2017 GOALS

COMMUNITY ENERGY ACTION PLAN

COMMUNITY ENERGY ACTION PLAN

First 6 Months Next 18 Months

=>

FORM AN

ENERGY

ACTION TEAM

CREATE YOUR

ENERGY

ACTION PLAN

APPLY ENERGY

ACTIONS TO

YOUR

COMMUNITY

EDUCATION

EVENT

RESOURCES

TRACKING

BILLING

REWARDS

A team is

assembled to

lead the

community

energy

approach.

An energy

action plan is

developed

specific to the

community,

needs and

goals.

The energy

action plan is

implemented in

the community.

Engage,

inform and

motivate the

community.

Managing the

energy goals,

track progress

and celebrate

successes.

15%

66%

15%

4%

PROJECTED SOURCE ALLOCATION

SOLAR

BIOGAS

NG TO ELECTRICITY

NON-RENEWABLE

FUTURE CITY INITIATIVES2

01

7Solar Energy Production

Wind Subscriptions

Energy Management Division

Implement Community Energy Action Plan

20

18

Energy & Sustainability Master Plan development

Prioritize Energy & Sustainability Initiatives

20

19

Investigate Wind Energy Implementation at City Facilities

100 % Renewable Electricity by 2020

FUTURE INITIATIVES - WASTEWATER2

01

7Solar Energy Production

Biofuel Energy Production

High Strength Waste Program

Nutrient Recovery & Reuse Construction Phase

Wind Subscriptions

20

18

Nutrient Recovery & Reuse Project Commissioning

Fats, Oils and Grease Program

Wastewater Collection System Energy Optimization Program

20

19

Investigate Wind Energy Implementation at Facility

Update Resource Recovery & Energy Efficiency Master Plan

Water Reuse Opportunities

Chris Plautz, Wastewater Services Supervisor

Emma Larson, Water Quality Coordinator

Jacob Ethen, Industrial Electronics Technician

Brian Schoenecker, Utilities Maintenance Mechanic

THANK YOU PROJECT PARTNERS

QUESTIONS?

Patrick Shea, Public Services Director

[email protected]

Tracy Hodel, Assistant Public Utilities Director

[email protected]

Conference on the Environment

November 9, 2016