Entergy 2015 Annual Report Download - page 20

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20
Clear vision, clear progress.
2015 Integrated Report
Utility
We have pilot projects underway in multiple utility operating companies to study the feasibility of
utility-scale solar generation. Together, these projects will help us assess geographic differences and
capacity factors while providing our customers with access to a renewable energy source. Entergy
Mississippi, Inc. launched three solar pilot installations in three different locations, each capable of
generating 500 KW from fixed-tilt solar arrays. Entergy New Orleans selected a contractor to begin
construction in 2016 of a 1 MW solar generation project with state-of-the-art battery storage technology
to help compensate for cloud cover. Entergy Arkansas entered into a power purchase agreement to
facilitate construction of an 81 MW photovoltaic solar energy generating facility that is expected to be
connected to the grid in mid-2019. When complete, the 500-acre project will be capable of generating
enough clean energy to power approximately 13,000 homes.
ECONOMIC
In March 2015, the Nuclear Regulatory Commission moved
Arkansas Nuclear One into Column 4 of the Reactor Oversight
Process Action Matrix, resulting in a substantial increase in
regulatory oversight. The move came after two years of
review following the lift failure and subsequent stator drop in
March 2013, as well as flood protection problems. Since then,
we have assembled a team of experts to focus on the event
causes and ensure proper implementation of corrective
actions to ensure ANO’s recovery to Column 1 in regulatory
oversight.
Transmission
Our move to MISO enhances reliability by informing all market participants on the state of grid conditions
and market operations through the public posting of electricity prices and other key system information.
MISO mitigates transmission congestion on a least-cost basis, allowing for more timely and efficient
congestion management. Integrating MISO into our business model also has created different flow
Utility Nuclear Fleet
Capability Factor
‘11 ‘12 ‘13 ‘14 ‘15
92 88
81
90 90
Capability factor: percentage of the maximum
energy generation a plant is capable of supplying
to the grid, limited only by factors within control
of plant management
28%
13%
34%
25%
29%
11%
33%
27%
25%
10%
39%
26%
28%
11%
33%
28%
27%
7%
31%
35%
Generation Sources Used
to Meet Utility Demand
PURCHASED POWER
COAL
NUCLEAR
GAS
‘11 ‘12 ‘13 ‘14 ‘15