POWER July 2016 - 20
ENVIRONMENTAL ISSUES
Generators Grapple with ELG
Implementation
Courtesy: RoyalBroil/Wikipedia/Creative Commons 4.0
Plant wastewater treatment is not what it once was, and changes in the Environmental
Protection Agency's effluent limitations guidelines (ELG) have added a host
of new wrinkles. A panel of power plant experts discussed what plant managers are
planning and doing to keep things running smoothly within the new rules.
Thomas W. Overton
F
or more than three decades, the Environmental
Protection Agency's (EPA's)
Steam Electric Power Generating Effluent
Guidelines (or effluent limitation guidelines,
ELGs), which govern wastewater discharges
from electric power plants, were a
fixed, known quantity. The last update was in
1982. But in the 2000s, the EPA began looking
at an update, a process that took more
than 10 years of study and comment. The
final rule, finalized in September 2015, is
long and complex, setting the stage for a lot
of confusion and uncertainty. (For more on
the specifics of ELG compliance, see " Take
These Five Steps Now to Ensure ELG Compliance
at Your Power Plant " in the December
2015 issue.)
What does this mean for generators?
The answer will no doubt evolve over time,
but the new rule has a lot of people concerned.
In February 2016, a group of power
sector environmental experts representing
20
both generators and consulting firms convened
at the Energy, Utility, and Environment
Conference in San Diego to offer
their early thoughts on compliance with the
updated rule.
Where to Start?
Not surprisingly, most generators have already
begun compliance efforts, work that
began even before the rule was final. Further,
it's well understood that ELG compliance
will be intimately related to compliance
with the new Coal Combustion Residuals
(CCR) rule (see " Coal Combustion Residuals
Rule Compliance Strategies " in the June
2016 issue or at powermag.com. Bill Skalitzky,
manager of generation compliance
for Alliant Energy, noted that his company
has already gone ahead and dredged out an
ash pond at a plant that had been converted
to natural gas. " So we already have one of
our ponds secured and closed. We're lookwww.powermag.com
1.
A time for change. Westar Energy is
transitioning its coal fleet, including the 2,155MW
Jeffery Energy Center in St. Marys, Kan.
(which was POWER's 2014 Water Award winner)
toward compliance with new rules for
disposal of wastewater and coal combustion
residuals. Courtesy: Westar Energy
POWER | July 2016
http://www.powermag.com
http://www.powermag.com
http://www.powermag.com
POWER July 2016
Table of Contents for the Digital Edition of POWER July 2016
Contents
POWER July 2016 - Cover1
POWER July 2016 - Cover2
POWER July 2016 - Contents
POWER July 2016 - 2
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