The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AT&T INC Common 00206R102 98,384 3,254,500 SH   SOLE   3,254,500 0 0
ABBVIE INC Common 00287Y109 56,179 572,200 SH   SOLE   572,200 0 0
ALLETE INC Common 018522300 14,040 257,100 SH   SOLE   257,100 0 0
ALLIANT ENERGY CORP Common 018802108 22,676 474,000 SH   SOLE   474,000 0 0
AMERICAN ELECTRIC POWER CO INC Common 025537101 24,911 312,800 SH   SOLE   312,800 0 0
ARCHER DANIELS MIDLAND CO Common 039483102 43,750 1,096,500 SH   SOLE   1,096,500 0 0
AVISTA CORP Common 05379B107 26,055 716,000 SH   SOLE   716,000 0 0
BP PLC ADR Common 055622104 39,719 1,703,200 SH   SOLE   1,703,200 0 0
BLACK HILLS CORP Common 092113109 17,848 315,000 SH   SOLE   315,000 0 0
BRISTOL MYERS SQUIBB CO Common 110122108 48,275 821,000 SH   SOLE   821,000 0 0
CARDINAL HEALTH INC Common 14149Y108 58,635 1,123,500 SH   SOLE   1,123,500 0 0
CATERPILLAR INC Common 149123101 71,726 567,000 SH   SOLE   567,000 0 0
CENTERPOINT ENERGY INC Common 15189T107 39,898 2,137,000 SH   SOLE   2,137,000 0 0
CHEVRON CORP Common 166764100 87,668 982,500 SH   SOLE   982,500 0 0
CINCINNATI FINANCIAL CORP Common 172062101 27,552 430,300 SH   SOLE   430,300 0 0
CISCO SYSTEMS Common 17275R102 81,760 1,753,000 SH   SOLE   1,753,000 0 0
COCA COLA CO Common 191216100 82,984 1,857,300 SH   SOLE   1,857,300 0 0
CONSOLIDATED EDISON INC Common 209115104 33,396 464,286 SH   SOLE   464,286 0 0
CUMMINS INC Common 231021106 39,763 229,500 SH   SOLE   229,500 0 0
DOMINION RESOURCES INC Common 25746U109 68,609 845,145 SH   SOLE   845,145 0 0
DONEGAL GROUP INC Common 257701201 9,449 664,500 SH   SOLE   664,500 0 0
DOW INC Common 260557103 40,842 1,002,000 SH   SOLE   1,002,000 0 0
DUKE ENERGY CORP Common 26441C204 48,632 608,731 SH   SOLE   608,731 0 0
EASTMAN CHEMICAL CO Common 277432100 34,681 498,000 SH   SOLE   498,000 0 0
EMERSON ELECTRIC CO Common 291011104 50,430 813,000 SH   SOLE   813,000 0 0
EVERGY INC Common 30034W106 35,203 593,751 SH   SOLE   593,751 0 0
EXXON MOBIL CORP Common 30231G102 85,509 1,912,100 SH   SOLE   1,912,100 0 0
FLOWERS FOODS INC Common 343498101 35,083 1,569,000 SH   SOLE   1,569,000 0 0
GALLAGHER ARTHUR J Common 363576109 46,162 473,500 SH   SOLE   473,500 0 0
GENERAL MILLS INC Common 370334104 22,194 360,000 SH   SOLE   360,000 0 0
GENUINE PARTS CO Common 372460105 38,958 448,000 SH   SOLE   448,000 0 0
GRAINGER WW INC Common 384802104 37,071 118,000 SH   SOLE   118,000 0 0
HELMERICH & PAYNE INC Common 423452101 18,066 926,000 SH   SOLE   926,000 0 0
HUBBELL INC Common 443510607 35,853 286,000 SH   SOLE   286,000 0 0
ILLINOIS TOOL WORKS Common 452308109 43,975 251,500 SH   SOLE   251,500 0 0
INTEL CORP Common 458140100 63,839 1,067,000 SH   SOLE   1,067,000 0 0
IBM CORP Common 459200101 70,336 582,400 SH   SOLE   582,400 0 0
JOHNSON & JOHNSON Common 478160104 48,911 347,800 SH   SOLE   347,800 0 0
KELLOGG CO Common 487836108 48,026 727,000 SH   SOLE   727,000 0 0
KIMBERLY CLARK CORP Common 494368103 79,255 560,700 SH   SOLE   560,700 0 0
LEGGETT & PLATT INC Common 524660107 49,438 1,406,500 SH   SOLE   1,406,500 0 0
MDU RESOURCES GROUP INC Common 552690109 34,080 1,536,500 SH   SOLE   1,536,500 0 0
MSC INDUSTRIAL DIRECT CO Common 553530106 44,778 615,000 SH   SOLE   615,000 0 0
MARATHON PETROLEUM GROUP Common 56585A102 34,390 920,000 SH   SOLE   920,000 0 0
MCDONALDS CORP Common 580135101 47,667 258,400 SH   SOLE   258,400 0 0
MERCK & CO INC Common 58933Y105 52,314 676,500 SH   SOLE   676,500 0 0
METLIFE INC Common 59156R108 26,674 730,400 SH   SOLE   730,400 0 0
NATIONAL FUEL GAS CO Common 636180101 35,703 851,500 SH   SOLE   851,500 0 0
NORTHERN TRUST CORP Common 665859104 23,048 290,500 SH   SOLE   290,500 0 0
NORTHWEST NATURAL HOLDING CO Common 66765N105 21,423 384,000 SH   SOLE   384,000 0 0
NUCOR CORP Common 670346105 34,267 827,500 SH   SOLE   827,500 0 0
OGE ENERGY CORP Common 670837103 20,857 687,000 SH   SOLE   687,000 0 0
PPL CORP Common 69351T106 48,111 1,861,900 SH   SOLE   1,861,900 0 0
PAYCHEX INC Common 704326107 33,201 438,300 SH   SOLE   438,300 0 0
PEPSICO INC Common 713448108 59,014 446,200 SH   SOLE   446,200 0 0
PFIZER INC Common 717081103 48,609 1,486,500 SH   SOLE   1,486,500 0 0
PHILLIPS 66 Common 718546104 26,783 372,500 SH   SOLE   372,500 0 0
PRINCIPAL FINANCIAL GROUP Common 74251V102 35,558 856,000 SH   SOLE   856,000 0 0
PROCTER & GAMBLE CO Common 742718109 83,591 699,100 SH   SOLE   699,100 0 0
PUBLIC SERVICE ENTERPRISE GRP INC Common 744573106 32,814 667,500 SH   SOLE   667,500 0 0
QUALCOMM INC Common 747525103 61,019 669,000 SH   SOLE   669,000 0 0
ROYAL DUTCH SHELL ADR Common 780259107 19,473 639,500 SH   SOLE   639,500 0 0
SCHLUMBERGER LTD Common 806857108 24,293 1,321,000 SH   SOLE   1,321,000 0 0
SMUCKERS J M Common 832696405 39,044 369,000 SH   SOLE   369,000 0 0
SONOCO PRODUCTS Common 835495102 30,705 587,200 SH   SOLE   587,200 0 0
SOUTH JERSEY INDUSTRIES INC Common 838518108 29,888 1,196,000 SH   SOLE   1,196,000 0 0
SOUTHERN COMPANY Common 842587107 54,883 1,058,500 SH   SOLE   1,058,500 0 0
SOUTHWEST GAS HOLDINGS INC Common 844895102 10,841 157,000 SH   SOLE   157,000 0 0
SPIRE INC Common 84857L101 22,341 340,000 SH   SOLE   340,000 0 0
SYSCO CORP Common 871829107 46,838 856,900 SH   SOLE   856,900 0 0
TEXAS INSTRUMENTS INC Common 882508104 50,661 399,000 SH   SOLE   399,000 0 0
3M CO Common 88579Y101 81,661 523,500 SH   SOLE   523,500 0 0
UGI CORP Common 902681105 11,194 352,000 SH   SOLE   352,000 0 0
UNITED PARCEL SERVICES INC Common 911312106 55,490 499,100 SH   SOLE   499,100 0 0
VALERO ENERGY CORP Common 91913Y100 28,116 478,000 SH   SOLE   478,000 0 0
VERIZON COMMUNICATIONS INC Common 92343V104 108,386 1,966,000 SH   SOLE   1,966,000 0 0
WEC ENERGY GROUP INC Common 92939U106 37,440 427,151 SH   SOLE   427,151 0 0
WALGREENS BOOTS ALLIANCE INC Common 931427108 55,361 1,306,000 SH   SOLE   1,306,000 0 0
WELLTOWER INC Common 95040Q104 5,434 105,000 SH   SOLE   105,000 0 0
WILEY JOHN & SONS Common 968223206 6,513 167,000 SH   SOLE   167,000 0 0
XCEL ENERGY CORP Common 98389B100 33,813 541,000 SH   SOLE   541,000 0 0
EATON CORP Common G29183103 33,067 378,000 SH   SOLE   378,000 0 0
INVESCO LTD Common G491BT108 17,598 1,635,500 SH   SOLE   1,635,500 0 0