The Business of Small Hydropower Celeste Fay

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The Business of Small Hydropower Celeste Fay Project Engineer Alden Research Laboratory

The Business of Small Hydropower

FRENCH RIVER LAND CO.

Intro 100 kW – 5,000 kW

Revenue f(generation, energy value, expenses)

Generation

Power f( flow, head, system efficiency)

Generation Assabet River 4000

FLow Rate (cfs)

3500 3000 2500 2000 1500 1000 500 0

Jan 1941 - September 2012

Assabet River 100

Flow Rate (cfs)

80 60 40 20 0

September 2012

Energy Value - Power Market Rates Day

Hour

03/16/08 03/16/08 03/16/08 03/16/08 03/16/08 03/16/08 03/16/08 03/17/08 03/17/08 03/17/08 03/17/08 03/17/08 03/17/08 03/17/08

18 19 20 21 22 23 24 1 2 3 4 5 6 7

Energy Generated (MWh) 0.070 0.071 0.071 0.071 0.071 0.070 0.070 0.071 0.070 0.070 0.070 0.070 0.070 0.070

Contract Value ($/MWh) 0.570 0.490 0.560 0.560 0.450 0.240 0.000 0.030 0.130 0.230 0.210 0.230 0.170 0.890

• ~4 Cent : 10 year • ~5 Cent : 20 year • 1% escalator

Energy Value - RECs …environmental attributes of the power produced from renewable energy projects

Renewable Portfolio Standard Policies.. Modified from www.dsireusa.org / October 2012.

• • • • •

Flows Water Quality Fish Passage & Protection Watershed Protection Threatened and Endangered Species • Cultural Resources • Recreation • Dam Removal Recommendation

Expenses - Typical Annual • • • • • • • •

Trashrack Cleaning Ice Removal System Lubrication Turbine/Generator Inspection Dam Operation Flashboard Replacement Electrical Inspection Etc..

Expenses - Unexpected

Expenses - Unexpected

Initial Investment Costs Simple Payback =Capital Cost / Revenue

• Electro-mechanical equipment • Permitting • Engineering • Construction • Interconnection • Environmental mitigation • Etc…

Don’t Forget… • Insurance – 20K/yr for 350K….but ±30% down 2 Million Liability Fire Equipment • Flood Insurance - $$$ • Interconnection Insurance >1MW - $$$ • Appraisal - $15-30 K • LIHI Certification

Why would anyone do this… the benefits Potential to increase the value of your energy…

Why cont… Power: 500 kW Power Factor: 0.5 Ave. Annual Energy: 2.2 million kWh Value of Energy: $0.05/kWh RECs: $0.03/kWh Typical O&M: 20 K Revenue: ± 160 K

Courtesy Business Week

Contact Information Celeste N. Fay French River Land Co. www.frenchriverland.com [email protected]