drinking water and wastewater facilities an innovative partnership: the massachusetts department of...
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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
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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
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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
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Water / Wastewater Treatment in MA
370 public facilities $150M / year
Impacts 1 billion kWhs 1 million tons (CO2)
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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
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14 Pilot Facilities: Recommendations
Efficiency: Save $2M / Year
Green Power: Save $1.7M / Year
Massachusetts’ Energy Pilot (2007 – 2010)
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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
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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
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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
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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/
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Results:
National Model
Facilities saving $5 million annually
10 Megawatts of Clean Energy installed
23,000 tons of GHG emission reductions / year
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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.
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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
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15
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Slide courtesy of Alden Research Laboratory (C. Fay)
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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
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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)
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Typical Layout (1)
Slide courtesy of Alden Research Laboratory (C. Fay)
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• 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:
• ~$14,000 sale of power
• ~10,000 Class I REC’s
Pittsfield Water - Coltsville Flow Control Station Project
Slide courtesy of AECOM (D. Gove)
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Objective:
To develop a Financial Assistance / Partnership Model using energy-saving projects that will generate positive cash flow for cities and towns that can be reinvested back into public drinking water and wastewater infrastructure.
Goal: Return on Investment Goal: Return on Investment
The Power of Positive Cash FlowThe Power of Positive Cash Flow
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Bundling Energy-Saving Projects Bundling Energy-Saving Projects
Cash Flow ($) = Revenues - Costs
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Funding Sources
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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)
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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
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2014 DW & WW Clean Energy ‘Gap’ Grants through MA DOER
ROI: $1.7 M gap grant $11M of Projects
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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
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In summary,
Facilities can continue to pay their existing / rising energy bills
or they can act on their identified energy-saving
opportunities
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Thank you!
Contacts Michael DiBara
(508) [email protected]
Ann Lowery
(617) [email protected]
AND + DOER’s Green Communities Coordinators in each MassDEP regional office