Vectren 2008 Annual Report Download - page 28

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26
ITEM 2. PROPERTIES
Gas Utility Services
Indiana Gas owns and operates four active gas storage fields located in Indiana covering 58,100 acres of land with
an estimated ready delivery from storage capability of 6.0 BCF of gas with maximum peak day delivery capabilities
of 151,000 MCF per day. Indiana Gas also owns and operates three liquefied petroleum (propane) air-gas
manufacturing plants located in Indiana with the ability to store 1.5 million gallons of propane and manufacture for
delivery 33,000 MCF of manufactured gas per day. In addition to its company owned storage and propane
capabilities, Indiana Gas has contracted with ProLiance for 17.9 BCF of prepaid delivery service with a maximum
peak day delivery capability of 298,600 MMBTU per day. Indiana Gas’ gas delivery system includes 12,900 miles
of distribution and transmission mains, all of which are in Indiana except for pipeline facilities extending from
points in northern Kentucky to points in southern Indiana so that gas may be transported to Indiana and sold or
transported by Indiana Gas to ultimate customers in Indiana.
SIGECO owns and operates three active underground gas storage fields located in Indiana covering 6,100 acres of
land with an estimated ready delivery from storage capability of 6.3 BCF of gas with maximum peak day delivery
capabilities of 108,500 MCF per day. In addition to its company owned storage delivery capabilities, SIGECO has
contracted with ProLiance for 0.5 BCF of prepaid delivery service with a maximum peak day delivery capability of
19,200 MMBTU per day. SIGECO's gas delivery system includes 3,200 miles of distribution and transmission
mains, all of which are located in Indiana.
The Ohio operations own and operate three liquefied petroleum (propane) air-gas manufacturing plants, all of
which are located in Ohio. The plants can store 0.5 million gallons of propane, and the plants can manufacture for
delivery 52,200 MCF of manufactured gas per day. In addition to its propane delivery capabilities, the Ohio
operations have contracted for 11.8 BCF of delivery service with a maximum peak day delivery capability of
246,100 MMBTU per day. While the Company still has title to this delivery capability, it has released it to those
now supplying the Ohio operations with natural gas, and those suppliers are responsible for the demand charges.
The Ohio operations’ gas delivery system includes 5,500 miles of distribution and transmission mains, all of which
are located in Ohio.
Electric Utility Services
SIGECO's installed generating capacity as of December 31, 2008, was rated at 1,295 MW. SIGECO's coal-fired
generating facilities are the Brown Station with two units of 490 MW of combined capacity, located in Posey
County approximately eight miles east of Mt. Vernon, Indiana; the Culley Station with two units of 360 MW of
combined capacity, and Warrick Unit 4 with 150 MW of capacity. Both the Culley and Warrick Stations are
located in Warrick County near Yankeetown, Indiana. SIGECO's gas-fired turbine peaking units are: two 80 MW
gas turbines (Brown Unit 3 and Brown Unit 4) located at the Brown Station; two Broadway Avenue Gas Turbines
located in Evansville, Indiana with a combined capacity of 115 MW (Broadway Avenue Unit 1, 50 MW and
Broadway Avenue Unit 2, 65 MW); and two Northeast Gas Turbines located northeast of Evansville in
Vanderburgh County, Indiana with a combined capacity of 20 MW. The Brown Unit 3 and Broadway Avenue Unit
2 turbines are also equipped to burn oil. Total capacity of SIGECO's six gas turbines is 295 MW, and they are
generally used only for reserve, peaking, or emergency purposes due to the higher per unit cost of generation.
SIGECO's transmission system consists of 924 circuit miles of 138,000 and 69,000 volt lines. The transmission
system also includes 32 substations with an installed capacity of 4,200 megavolt amperes (Mva). The electric
distribution system includes 4,200 pole miles of lower voltage overhead lines and 349 trench miles of conduit
containing 2,000 miles of underground distribution cable. The distribution system also includes 98 distribution
substations with an installed capacity of 2,900 Mva and 54,000 distribution transformers with an installed capacity
of 2,500 Mva.
SIGECO owns utility property outside of Indiana approximating nine miles of 138,000 volt electric transmission
line which is located in Kentucky and which interconnects with Louisville Gas and Electric Company's
transmission system at Cloverport, Kentucky.