Volume 36. No. 5. June 2017
& DAM SAFETY
SPECIAL SHOW ISSUE
6 Method to Determine Generator Performance Pre-Upgrade
By Andrew Punkari and Albert F. Mikhail
Te authors discuss the method they used to establish performance
benchmarks before a generator upgrade at 23-MW Gartshore.
16 Finding a Solution for 110-Year-Old Penstocks By Stuart Piermarini and Erin Boudreaux
Onerous maintenance needs at its Bull’s Bridge plant led FirstLight Power Resources to install new fberglass-reinforced penstocks.
20 Numerical Simulations can Accelerate Wave Energy Converter Development
By Helen Bailey
Numerical simulations for wave energy converter development can
allow rapid design prototyping and accelerate design iteration.
30 Jamaica Adds 8 MW in First Hydro Expansion in 50 Years By Alston Watson and S. Mark Allen
Te 7-MW expansion of the 6.3-MW Maggotty Falls project was
the frst new hydro facility implemented in Jamaica in the past 50 years.
38 Adding Hydro to a Non-Powered Dam in Romania By Valentin Ispir, Radu Sarghiuta, Daniel Gaftoi and Catalin Popescu
Adding generation to non-powered dams in Romania — such as 2.663-
MW Zavoiul Orbului — can maximize the country’s renewables.
46 As the Runner Turns … Again By Tom Spicher
In Episode 2, antagonist Dug E. Syner corresponds with Whyr
T. Heckawe, proposing solutions for the Lost Lake project.
50 Changing Your Risk Profle with Vegetable Oil By Steve Wenke
Avista is working to develop an environmentally biodegradable
hydraulic fuid alternative for use in its hydro facilities.
56 Hydropower: The New Preemption Frontier? By William S. Huang, Katharine M. Mapes and Jefrey M. Bayne
With many hydro projects coming up for new FERC licenses, regulators and operators may have to address issues that could spell change.
64 A View on Climate Change and Hydropower Development Peter Rae discusses challenges, risks and efects on power markets
when planning for hydro development in the face of climate change.
70 Design of Tunnel Plugs for Hydro Projects By Chongjiang Du ✔ Peer Reviewed
Tunnel plugs are an important, but often overlooked, part of dam
construction. Te author provides design guidance for these features.
78 Another Beneft of Hydro: Building a Hydro Park By Michael Pedersen
Redesigning the 7-MW Badger facility let Kaukauna Utilities convert
the location into a Hydro Park that attracts thousands of visitors.
Electrifying the World
4 Global Headlines
80 Featured Companies
89 Hydro Connections
91 Index to Advertisers
92 The Beauty of Hydro