- The L’Anse Warden Electric Company (LWEC) has operated under a State of Michigan Renewable Operating Permit (ROP) Number MI-ROP-B4260-2004, which was transferred to LWEC effective July 5, 2007.
- October 29, 2007: Permit to Install (PTI) 168-07 authorized construction activities.
- Oct. 28, 2010: MDEQ issued operating permit ROP MI-ROPB4260-2011. It took effect Jan. 1, 2011.
- Oct. 26, 2011: MDEQ issued PTI 168-07C to allow the boiler to use up to 0.25 tons per hour of pentachlorophenol-treated railroad ties in the fuel mix.
- Oct. 25, 2012: MDEQ issued PTI 168-07D to LWEC to install EU Boiler #1 to incorporate the existing wood chipping process into the ROP and revise performance testing dates.
- April 15, 2016: LWEC submitted an application to MDEQ to remove the use of pentachlorophenol treated fuel from their operating permit. LWEC will modify the Fuel Procurement and Monitoring Plan.
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L'Anse Warden NSR Permit to Install - Oct. 25, 2012 (PDF)(16 pp, 246 K,
Oct. 25, 2012)
MDEQ NSR Permit to Install Number 168-07D for L'Anse Warden Electric Company EU-BOILER#1
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L'Anse Warden Renewable Operating Permit - Jan. 1, 2011 (PDF)(30 pp, 278 K,
Jan. 1, 2011)
MDEQ Renewable Operating Permit Number MI-ROP-B4260-2011 for L'Anse Warden Electric Company EU-BOILER#1
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L’Anse Warden PCP Fuel Removal Permit Application – April 15, 2016 (PDF)(1 pg, 51 K,
April 15, 2016)
LWEC submitted this application to MDEQ to remove use of penta-treated fuel from the operating permit.