Hydro Potential Projects – Recovering Energy & Reducing Costs
Celeste Fay / Gregory Allen Project Engineer Alden
Environmental Business Council of New England Energy Environment Economy
Hydropower – Recovering Energy and Reducing Costs EBC/ DEP Renewable Energy Program October 1, 2013
ALDEN
Solving flow problems since 1894
Overview Phase 1 Review Technologies Existing Projects
Phase 2 Typical Project Layouts Financial Information Market Estimate
Phase 3 Screening Tool & Manual
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Loring Road Facility Courtesy: MWRA
Solving flow problems since 1894
Existing Technologies Many turbine technologies reviewed, 28 included in report
Courtesy: Toshiba
Courtesy: ABS Alaska Courtesy: Canyon Hydro
ALDEN
Solving flow problems since 1894
Existing Projects • • • • • • • • • • •
Authorized capacity (kW) Annual production (kWh) FERC info Description Contact info Head (ft) Flow (cfs) Equipment type Total cost ($) Challenges? Regrets? Bennington Vermont; Courtesy: FERC
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Solving flow problems since 1894
Typical Layouts
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Solving flow problems since 1894
Financial Information • • • • •
Payback criteria Project costs Typical power prices Value of energy Non-tangible benefits Initial Capital Investment Simple Payback Period =
Average Annual Energy * Value Energy
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Solving flow problems since 1894
State-Wide Market Estimate •Estimate range of energy available at POTW facilities •Estimate range of energy available at PWS facilities
•Limited data available for facilities •Identification of data required to refine estimates •Estimates indicate more potential at PWS facilities
ALDEN
Solving flow problems since 1894
Screening Tool Min Inputs • Typical pressure (psi) • Annual flow data (cfs)
Optional Inputs • • • • • • • • • ALDEN
Turbine design criteria Turbine type Annual down time (%) Generator efficiency (%) Turbine type Project costs ($) Value energy ($) Inflation/escalator rates (%) O&M cost ($)
Outputs • Peak power (kW) • Average annual energy generation (kWh) • Estimated payback period (yr)
Solving flow problems since 1894
Contact Information Gregory Allen, P.E. Director, Environmental and Engineering Services
ALDEN Solving flow problems since 1894 Alden Research Laboratory, Inc. 30 Shrewsbury St., Holden, MA 01520-1843 Phone (508) 829-6000 ext. 6409 Fax (508) 829-5939
[email protected] www.aldenlab.com __________________________________________
ALDEN
Solving flow problems since 1894