Alliant Energy Corporation · NASDAQ:LNT
Alliant Energy — Wisconsin Electric Interruptible Webinar (May 2017)
17 slides from Alliant Energy's conference presentation, May 25, 2017
Slide 1: Wisconsin Electric Interruptible Webinar
Wisconsin Electric Interruptible Webinar Doug Peyton, Alliant Energy Product Manager May 25, 2017
Slide 2: Agenda
Agenda • Introductions • Overview of 2016 • Current State • Economic buy through • Event day procedures • Penalties •Q & A 2
Slide 3: Electric interruptible program
Electric interruptible program Benefits of participation • Provides participants a discounted rate for reducing energy usage during interruptible events • Reduces demand during peak critical system conditions • Lessens the need to build or purchase energy at high market prices 3
Slide 4: Overview of 2016
Overview of 2016 • Average summer • No interrupts were called • Annual system peak was August 3, 2016 at 4 p.m. ‒ Load was near 2,681 MW ‒ Historic peak was July 17, 2006 at 2,941 MW 4
Slide 5: Current State
Current State • Current participation: 127 customers • Interruptible load ~ 162 MW • 4 waves 5
Slide 6: Changes for 2017
Changes for 2017 • Tariff change on economic interrupts • Added 50 hours of economic interrupt hours ‒150 hours for reliability • Buy through option available for economic interrupts 6
Slide 7: Economic interrupts
Economic interrupts • LMP prices above ~$180/MWh on day ahead pricing ‒Four hours in a row • Notification will follow current tariff rules • Option to buy through or participate • No penalties, but if customer exceeds firm, will be charged at day ahead LMP price plus 10% admin • One day in the last
Slide 8: Load subjected to buy though charges
Load subjected to buy though charges 8
Slide 9: Buy-through option
Cont’d Buy-through option If customer has nominated interruptible demand Amount of load subject to buy-through charges, ~ not to exceed amount of nominated interruptible ' | ee demand Firm load as determined by metered demand immediately before the buy-through Total customer load _y Alliant Energy
Slide 10: Wisconsin Power and Light Company economic interruption form
10 Wisconsin Power and Light Company CP-1 INT: Economic Interruption Volume Ill, 21st Revision, Sheet No. 7.60 Company: l I [Amendment §26, Schedule CpINT ‘Account #: SAID: Effective: | 1/1/2017 Event Date: Begin Time: Kivh Market Rate TaitRate End Time: Market Hou MISO LMP Hour! Customer Expense @
Slide 11: Event day: Conditions
Event day: Conditions Two tariff conditions for an event ‒ Reliability ‒ System integrity, transmission issues, MISO initiated ‒ Annual limit 150 hours ‒ Economic – Reducing Peak Demand ‒ Peak shaving ‒ Energy prices are expected to exceed a threshold price level expressed as the cost per kWh of WPL
Slide 12: Event day: Flow
Event day: Flow • We monitor forecasted load and high demand days • If an interruptible event is warranted customers will be given their required notice (immediate or one hour) • Event process: 1. Interruptible website and hotline updated 2. Interrupt notification sent 3. Customer acknowledges recei
Slide 13: Finding day of Interrupt information
Finding day of Interrupt information • Alliant Energy website ‒ alliantenergy.com/interrupteventstatus ‒ Wisconsin service area (electric customers) ‒ Provides status update and current interruption data • Interruptible Hotline 1-800-241-0588 ‒ Press 2 twice for Wisconsin update ‒ Press 1 for Electr
Slide 14: Alliantenergy.com/interrupteventstatus
Alliantenergy.com/interrupteventstatus 14
Slide 15: Interruptible message example
Interruptible message example From: interruptible@alliantenergy.com Text and Email To: Customer name CC: example Subject: Alliant Energy Electric Interrupt - Wisconsin Alliant Energy is requesting participating Wisconsin interruptible customers to interrupt their Electric load beginning Tuesday, 07/
Slide 16: Penalties
Penalties • If usage exceeds contracted firm level ‒Usage above contracted firm level $25.00 per kW ‒125% of the value of Alliant Energy’s most expensive sale (LMP price at that hour) • Penalty is for 12 months • A second occurrence within the 12 month period raises the per kW charge to $35 and 150%
Slide 17: Questions
Questions • Call ‒ Key account manager or Business Resource Center ‒ 1-866-ALLIANT (866-255-4268), press option 2 twice • Email ‒ interruptible@alliantenergy.com ‒ Contact your key account manager or the Business Resource Center for rate analysis if you would like to raise or lower contracted firm l
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