Nicor Gas Historical Natural Gas Cost Rates per therm

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2004 $0.6900 $0.6000 $0.5500 $0.5900 $0.5900 $0.7200 $0.7200 $0.6500 $0.6200 $0.5800 $0.7400 $0.7000
2005 $0.7200 $0.6700 $0.6400 $0.7600 $0.7800 $0.7000 $0.7400 $0.7500 $1.0000 $1.1700 $1.1900 $1.1300
2006 $1.0900 $0.9400 $0.6700 $0.6600 $0.6100 $0.5000 $0.5000 $0.5000 $0.5900 $0.4400 $0.5500 $0.6700
2007 $0.6700 $0.7200 $0.8300 $0.8500 $0.8600 $0.8800 $0.8000 $0.7000 $0.6400 $0.6800 $0.7000 $0.6500
2008 $0.7700 $0.8700 $0.9700 $0.9900 $1.2400 $1.2300 $1.4500 $1.0800 $0.8400 $0.8100 $0.7700 $0.6500
2009 $0.6500 $0.5700 $0.4300 $0.4300 $0.4500 $0.4500 $0.4600 $0.4000 $0.3300 $0.3900 $0.4700 $0.5000
2010 $0.6800 $0.6600 $0.6200 $0.4900 $0.4100 $0.4400 $0.5100 $0.5000 $0.4100 $0.4400 $0.4300 $0.4600
2011 $0.4800 $0.5300 $0.5100 $0.4800 $0.5000 $0.5000 $0.5500 $0.5800 $0.5100 $0.5100 $0.4800 $0.4800
2012 $0.4400 $0.3300 $0.3400 $0.2800 $0.2200 $0.3100 $0.3400 $0.3900 $0.3900 $0.3900 $0.4100 $0.4500
2013 $0.4200 $0.4000 $0.4200 $0.4800 $0.5300

North Shore Gas Historical Gas Charge Rates per therm

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2004 $0.6104 $0.5991 $0.5839 $0.6027 $0.6336 $0.6918 $0.7096 $0.7127 $0.6638 $0.6670 $0.7980 $0.7970
2005 $0.7970 $0.7488 $0.6914 $0.7416 $0.7656 $0.7234 $0.7956 $0.7974 $0.9364 $1.1354 $1.1352 $1.1386
2006 $1.1038 $0.9847 $0.9037 $0.7627 $0.6910 $0.6683 $0.6769 $0.6055 $0.5906 $0.5550 $0.7321 $0.8784
2007 $0.8455 $0.8884 $0.9399 $0.9268 $0.9337 $0.8684 $0.8839 $0.7581 $0.7538 $0.7265 $0.8325 $0.8237
2008 $0.8137 $0.8270 $0.9990 $1.0966 $1.1073 $1.1115 $1.3423 $1.2599 $0.9758 $0.8756 $0.9618 $0.9531
2009 $0.8487 $0.8557 $0.6834 $0.3946 $0.4323 $0.5017 $0.5414 $0.5087 $0.5100 $0.5319 $0.5811 $0.5779
2010 $0.6606 $0.6525 $0.6800 $0.5254 $0.4509 $0.4370 $0.5758 $0.5608 $0.5391 $0.5130 $0.4546 $0.5091
2011 $0.5129 $0.5512 $0.5182 $0.5318 $0.5310 $0.5400 $0.5894 $0.6011 $0.5566 $0.5266 $0.4819 $0.5055
2012 $0.4765 $0.4128 $0.3745 $0.3400 $0.3233 $0.3395 $0.3630 $0.3988 $0.4212 $0.4358 $0.4777 $0.4453
2013 $0.4557 $0.4536 $0.4310 $0.4717 $0.5138

People's Gas Historical Gas Charge Rates per therm

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2004 $0.6470 $0.6196 $0.5886 $0.6214 $0.6347 $0.6701 $0.7193 $0.6884 $0.6530 $0.6733 $0.7980 $0.7975
2005 $0.7825 $0.7464 $0.6937 $0.7449 $0.7693 $0.7237 $0.7958 $0.7995 $0.9224 $1.1267 $1.1964 $1.1169
2006 $1.1337 $1.0461 $0.9354 $0.7040 $0.6974 $0.6610 $0.6896 $0.6248 $0.5859 $0.5634 $0.7237 $0.8821
2007 $0.8285 $0.8738 $0.9278 $0.9303 $0.8990 $0.8199 $0.8213 $0.7063 $0.7045 $0.6811 $0.7780 $0.7772
2008 $0.7397 $0.8061 $0.9345 $1.0201 $1.2419 $1.2219 $1.4999 $1.2638 $1.1284 $0.9371 $1.0198 $0.9297
2009 $0.7602 $0.7585 $0.6510 $0.3940 $0.4243 $0.4996 $0.5423 $0.5129 $0.5026 $0.5068 $0.5465 $0.5225
2010 $0.6183 $0.6235 $0.6603 $0.5165 $0.4435 $0.4105 $0.5754 $0.5388 $0.5230 $0.4827 $0.4200 $0.4555
2011 $0.4694 $0.5099 $0.5038 $0.5233 $0.5192 $0.5301 $0.5802 $0.5809 $0.5396 $0.4893 $0.4450 $0.4606
2012 $0.4190 $0.3631 $0.3333 $0.3072 $0.2914 $0.3098 $0.3177 $0.3471 $0.3779 $0.3794 $0.4121 $0.3765
2013 $0.4110 $0.4097 $0.3922 $0.4286 $0.4692