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Investment in ATC | 3 Months Ended
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Mar. 31, 2015
Equity Method Investments and Joint Ventures [Abstract] |
Investment in ATC | Investment in ATC - MGE Energy and MGE. ATC owns and operates electric transmission facilities primarily in Wisconsin. MGE received an interest in ATC when it, like other Wisconsin electric utilities, contributed its electric transmission facilities to ATC as required by Wisconsin law. That interest is presently held by MGE Transco, which is jointly owned by MGE Energy and MGE. MGE Transco has accounted for its investment in ATC under the equity method of accounting. For the three months ended March 31, 2015 and 2014, MGE Transco recorded the following:
|  |  | Three Months Ended |
|  |  | March 31, |
| (In thousands) |  | 2015 |  | 2014 |
| Equity in earnings from investment in ATC | $ | 1,881 | $ | 2,481 |
| Dividends received from ATC |  | 1,420 |  | 1,917 |
| Capital contributions to ATC |  | 178 |  | 533 |
On April 30, 201 5, MGE Transco made a $0.2 million capital contribution to AT C. MGE Transco's investment in ATC as of March 31, 2015 and December 31, 2014 was $68.3 million and $67.7 million, respectively. At March 31, 2015, MGE is the majority owner, and MGE Energy, the holding company, is the minority owner of MGE Transco. MGE Energy's proportionate share of the equity and net income of MGE Transco is clas sified within the MGE financial statements as noncontrolling interest. ATC's summarized financial data for the three months ended March 31, 2015 and 2014, is as follows:
|  |  | Three Months Ended |
|  |  | March 31, |
| (In thousands) |  | 2015 |  | 2014 |
| Operating revenues | $ | 152,357 | $ | 163,337 |
| Operating expenses |  | (79,951) |  | (78,623) |
| Other income, net |  | 62 |  | 388 |
| Interest expense, net |  | (24,483) |  | (21,996) |
| Earnings before members' income taxes | $ | 47,985 | $ | 63,106 |

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- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32847-111569 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32787-111569 + Details
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