Drinking Water and Wastewater Facilities

An Innovative Partnership:

The Massachusetts Department of Environmental Protection

The Massachusetts Department of Energy Resources

The Massachusetts Clean Energy Center

Michael DiBara, MassDEP

30th Annual International Conference on Soils, Sediments, Water, and Energy

October 21, 2014

Clean Energy Results Program

Launched in November, 2011

MassDEP, DOER and CEC partnership

To advance environmental protection by promoting the development of renewable energy and energy efficiency projects in Massachusetts

Barnstable Water Pollution Control Facility 819 kW

Topics today: CERP in BRP MA Energy Pilot

Energy Leaders Roundtable Group

In-Conduit Hydropower Project

MA Return-on-Investment Model• Moving energy-saving projects forward

Water / Wastewater Treatment in MA

370 public facilities $150M / year

Impacts 1 billion kWhs 1 million tons (CO2)

MA Energy Management Pilot (2007 – MA Energy Management Pilot (2007 – 2010)2010)

Public (7) Water & (7) Wastewater Facilities MA Dept. of Environmental Protection MA Executive Office of Energy / Environmental Affairs MA Dept of Energy Resources EPA New England MA Renewable Energy Trust UMass Amherst – Northeast CHP Center

Private Every Major Investor-Owned Electric & Gas Utility

Non Profit Consortium for Energy Efficiency

14 Pilot Facilities: Recommendations

Efficiency: Save $2M / Year

Green Power: Save $1.7M / Year

Massachusetts’ Energy Pilot (2007 – 2010)

ARRA – Green Infrastructure

Recovery & Reinvestment: Clean Energy & the Environment

Fully Implement Pilot & Other “Green” projects

(7) Wastewater Plants: $ 34.8 M(7) Water Plants: $ 8.2M

$ 43.0M

(7) Others $ 23.1M

Total $ 66.1M

Jump-start “Green” projects: 20% of SRF ARRA

City of PittsfieldWastewater Treatment Plant

1,584 kW solar PV

CHP Upgrade

Aeration Upgrade - Diffused Air w / Turbo Blowers

Overall 90% reduction in electrical costs, saving $660,000 / yr

Greater Lawrence Sanitary DistrictWastewater Treatment Plant

• Install VFDs / Premium Efficiency Motors

• Operational, Aeration, Water System, Lighting Improvements

Save ~$637,000 / yr in Electric Costs

• Sludge digester &HVAC improvements

Save ~$350,000 / yr in Natural Gas Costs

Est. Annual CO2 Emission Reductions: 2,035 tons

Town of ChelmsfordCrooked Spring Water Treatment Plant

485 kW solar PV

• Feasibility Study: UMass – Lowell

• Producing 500,000 kWh / year (41%)

• Saving $ 73,000 / yr (Electricity/ REC)

• Real Time power monitoring (plant / public)

http://www.powerdash.com/systems/1000277/

Results:

National Model

Facilities saving $5 million annually

10 Megawatts of Clean Energy installed

23,000 tons of GHG emission reductions / year

Mass Energy Leaders RoundtableMass Energy Leaders Roundtable(2010 – 2014)(2010 – 2014)

Coalition of state, federal, community & energy efficiency providers

Each meeting has a technical presentation, a presentation from a water utility, a discussion on energy management planning, and a site visit.

Integrated Approach – To Encourage Integrated Approach – To Encourage

Energy benchmarking

Energy audits

Renewable energy assessments

EPA Energy Management

• Plan – Do – Check - Act Model

Financial Assistance

15

Slide courtesy of Alden Research Laboratory (C. Fay)

In-Conduit Hydropower: Alden Lab

Three parts of the project

1. Technology research

2. Potential for installations in Massachusetts

3. Screening tool to allow facilities to estimate potential energy generation & economic / environmental benefits

‘Reports & Screening Tool’ on MassDEP’s website

Existing Technologies• Many turbine technologies reviewed• 28 included in report

Courtesy: Toshiba

Courtesy: ABS Alaska

Courtesy: Canyon Hydro

Slide courtesy of Alden Research Laboratory (C. Fay)

Typical Layout (1)

Slide courtesy of Alden Research Laboratory (C. Fay)

• Project to replace old flow control station

• 2 to 14 mgd flows w/ ~60 psi pressure reduction

• $3 million construction• 62 kW Cornell hydro

turbine• Revenue generated:

• ~$14,000 sale of power

• ~10,000 Class I REC’s

Pittsfield Water - Coltsville Flow Control Station Project

Slide courtesy of AECOM (D. Gove)

Objective:

To develop a Financial Assistance / Partnership Model using energy-saving projects that will generate positive cash flow for cities and towns that can be reinvested back into public drinking water and wastewater infrastructure.

Goal: Return on Investment Goal: Return on Investment

The Power of Positive Cash FlowThe Power of Positive Cash Flow

Bundling Energy-Saving Projects Bundling Energy-Saving Projects

Cash Flow ($) = Revenues - Costs

Funding Sources

Reducing Operating Costs & Reducing Operating Costs & Reinvesting in your FacilityReinvesting in your Facility

Quantify energy & cost savings

Energy-savings can boost your bottom line & reduce your carbon footprint

Pay for wasted energy or reinvest it in your facility (people / equipment / assets)

2014 DW & WW Clean Energy ‘Gap’ Grants through MA DOER

o Partnership between MA DOER, Mass DEP & MA CEC

o $1,700,000 in grant funding

o Max grant $200,000

Timelines

o Feb 26, 2014 – Grant Announcement

o April 23, 2014 – Close of Applications

• June 3, 2014 – Grant Awards

http://www.mass.gov/eea/grants-and-tech-assistance/guidance-technical-assistance/agencies-and-divisions/doer/doer-procurements.html

2014 DW & WW Clean Energy ‘Gap’ Grants through MA DOER

ROI: $1.7 M gap grant $11M of Projects

Projected Results: ‘Gap’ Funding 31 Energy-saving projects moving forward

• Energy efficiency & on-site clean energy generation• 1,500 kW (CHP), 4 solar PV (497 kW), water-source heat pump

Approx. $1.2M in annual cost savings for facilities

Approx. 15,300,000 kWh in annual electricity savings or on-site power generation

Grant Awards: http://www.mass.gov/eea/pr-2014/water-facilities.html

In summary,

Facilities can continue to pay their existing / rising energy bills

or they can act on their identified energy-saving

opportunities

Thank you!

Contacts Michael DiBara

(508) 767-2885Michael.DiBara@state.ma.us

Ann Lowery

(617) 292-5846Ann.Lowery@state.ma.us

AND + DOER’s Green Communities Coordinators in each MassDEP regional office