steam service contract 2. the steam service provided will be non - interruptible except for interruptions due to : force majeure ( as described in article xiv ) ; planned outages, forced outages ( immediate, * portion omitted pursuant to item 601 ( b ) ( 10 ) ( iv ) of regulation s - k ( 17 cfr § 229. 601 ( b ) ( 10 ) ( iv ) ) because it is both not material and would likely cause competitive harm to the company if publicly disclosed. stld01 - 1381464 - 1 1 * portion omitted pursuant to item 601 ( b ) ( 10 ) ( iv ) of regulation s - k ( 17 cfr § 229. 601 ( b ) ( 10 ) ( iv ) ) because it is both not material and would likely cause competitive harm to the company if publicly disclosed. stld01 - 1381464 - 1 1 * portion omitted pursuant to item 601 ( b ) ( 10 ) ( iv ) of regulation s - k ( 17 cfr § 229. 601 ( b ) ( 10 ) ( iv ) ) because it is both not material and would likely cause competitive harm to the company if publicly disclosed. stld01 - 1381464 - 1 1 3. if the primary steam source is unavailable, company will use reasonable efforts to provide the steam service referenced above by utilization of the council bluffs energy center unit 4 ( “ cbec - 4 ” ) auxiliary natural gas boiler, which has cbec tag number 64 - aba - blr - 401, provided the said cbec - 4 auxiliary boiler is not needed ( as determined by the company ) for the operation of cbec - 4. in such a case, the customer shall pay for all fuel costs for the running of the cbec - 4 auxiliary boiler plus $ [ * ] mmbtu, in lieu of the $ [ * ] / mmbtu described in article ii, * portion omitted pursuant to item 601 ( b ) ( 10 ) ( iv ) of regulation s - k ( 17 cfr § 229. 601 ( b ) ( 10 ) ( iv ) ) because it is both not material and would likely cause competitive harm to the company if publicly disclosed. stld01 - 1381464 - 1 2 * portion omitted pursuant to item 601 ( b ) ( 10 ) ( iv ) of regulation s - k ( 17 cfr § 229. 601 ( b ) (