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
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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 92,786 3,254,500 SH   SOLE   3,254,500 0 0
ABBVIE INC Common 00287Y109 50,119 572,200 SH   SOLE   572,200 0 0
ALLETE INC Common 018522300 13,302 257,100 SH   SOLE   257,100 0 0
ALLIANT ENERGY CORP Common 018802108 24,482 474,000 SH   SOLE   474,000 0 0
AMERICAN ELECTRIC POWER CO INC Common 025537101 25,565 312,800 SH   SOLE   312,800 0 0
ARCHER DANIELS MIDLAND CO Common 039483102 50,976 1,096,500 SH   SOLE   1,096,500 0 0
AVISTA CORP Common 05379B107 24,430 716,000 SH   SOLE   716,000 0 0
BP PLC ADR Common 055622104 29,738 1,703,200 SH   SOLE   1,703,200 0 0
BLACK HILLS CORP Common 092113109 16,849 315,000 SH   SOLE   315,000 0 0
BRISTOL MYERS SQUIBB CO Common 110122108 49,498 821,000 SH   SOLE   821,000 0 0
CARDINAL HEALTH INC Common 14149Y108 52,748 1,123,500 SH   SOLE   1,123,500 0 0
CATERPILLAR INC Common 149123101 84,568 567,000 SH   SOLE   567,000 0 0
CENTERPOINT ENERGY INC Common 15189T107 41,351 2,137,000 SH   SOLE   2,137,000 0 0
CHEVRON CORP Common 166764100 70,740 982,500 SH   SOLE   982,500 0 0
CINCINNATI FINANCIAL CORP Common 172062101 33,550 430,300 SH   SOLE   430,300 0 0
CISCO SYSTEMS Common 17275R102 69,051 1,753,000 SH   SOLE   1,753,000 0 0
COCA COLA CO Common 191216100 91,695 1,857,300 SH   SOLE   1,857,300 0 0
CONSOLIDATED EDISON INC Common 209115104 36,121 464,286 SH   SOLE   464,286 0 0
CUMMINS INC Common 231021106 48,461 229,500 SH   SOLE   229,500 0 0
DOMINION RESOURCES INC Common 25746U109 66,707 845,145 SH   SOLE   845,145 0 0
DONEGAL GROUP INC Common 257701201 9,350 664,500 SH   SOLE   664,500 0 0
DOW INC Common 260557103 47,003 999,000 SH   SOLE   999,000 0 0
DUKE ENERGY CORP Common 26441C204 53,909 608,731 SH   SOLE   608,731 0 0
EASTMAN CHEMICAL CO Common 277432100 38,904 498,000 SH   SOLE   498,000 0 0
EMERSON ELECTRIC CO Common 291011104 53,308 813,000 SH   SOLE   813,000 0 0
EVERGY INC Common 30034W106 30,174 593,751 SH   SOLE   593,751 0 0
EXXON MOBIL CORP Common 30231G102 65,642 1,912,100 SH   SOLE   1,912,100 0 0
FLOWERS FOODS INC Common 343498101 38,174 1,569,000 SH   SOLE   1,569,000 0 0
GALLAGHER ARTHUR J Common 363576109 49,770 471,400 SH   SOLE   471,400 0 0
GENERAL MILLS INC Common 370334104 21,958 356,000 SH   SOLE   356,000 0 0
GENUINE PARTS CO Common 372460105 42,636 448,000 SH   SOLE   448,000 0 0
GRAINGER WW INC Common 384802104 42,099 118,000 SH   SOLE   118,000 0 0
HELMERICH & PAYNE INC Common 423452101 13,566 926,000 SH   SOLE   926,000 0 0
HUBBELL INC Common 443510607 39,136 286,000 SH   SOLE   286,000 0 0
ILLINOIS TOOL WORKS Common 452308109 48,592 251,500 SH   SOLE   251,500 0 0
INTEL CORP Common 458140100 55,094 1,064,000 SH   SOLE   1,064,000 0 0
IBM CORP Common 459200101 70,861 582,400 SH   SOLE   582,400 0 0
JOHNSON & JOHNSON Common 478160104 51,669 347,050 SH   SOLE   347,050 0 0
KELLOGG CO Common 487836108 46,957 727,000 SH   SOLE   727,000 0 0
KIMBERLY CLARK CORP Common 494368103 82,793 560,700 SH   SOLE   560,700 0 0
LEGGETT & PLATT INC Common 524660107 57,906 1,406,500 SH   SOLE   1,406,500 0 0
MDU RESOURCES GROUP INC Common 552690109 34,571 1,536,500 SH   SOLE   1,536,500 0 0
MSC INDUSTRIAL DIRECT CO Common 553530106 38,917 615,000 SH   SOLE   615,000 0 0
MARATHON PETROLEUM GROUP Common 56585A102 26,993 920,000 SH   SOLE   920,000 0 0
MCDONALDS CORP Common 580135101 56,716 258,400 SH   SOLE   258,400 0 0
MERCK & CO INC Common 58933Y105 56,116 676,500 SH   SOLE   676,500 0 0
METLIFE INC Common 59156R108 27,149 730,400 SH   SOLE   730,400 0 0
NATIONAL FUEL GAS CO Common 636180101 34,562 851,500 SH   SOLE   851,500 0 0
NORTHERN TRUST CORP Common 665859104 22,650 290,500 SH   SOLE   290,500 0 0
NORTHWEST NATURAL HOLDING CO Common 66765N105 17,430 384,000 SH   SOLE   384,000 0 0
NUCOR CORP Common 670346105 37,122 827,500 SH   SOLE   827,500 0 0
OGE ENERGY CORP Common 670837103 20,603 687,000 SH   SOLE   687,000 0 0
PPL CORP Common 69351T106 50,662 1,861,900 SH   SOLE   1,861,900 0 0
PAYCHEX INC Common 704326107 34,963 438,300 SH   SOLE   438,300 0 0
PEPSICO INC Common 713448108 61,843 446,200 SH   SOLE   446,200 0 0
PFIZER INC Common 717081103 54,555 1,486,500 SH   SOLE   1,486,500 0 0
PHILLIPS 66 Common 718546104 19,310 372,500 SH   SOLE   372,500 0 0
PRINCIPAL FINANCIAL GROUP Common 74251V102 34,471 856,000 SH   SOLE   856,000 0 0
PROCTER & GAMBLE CO Common 742718109 97,168 699,100 SH   SOLE   699,100 0 0
PUBLIC SERVICE ENTERPRISE GRP INC Common 744573106 36,652 667,500 SH   SOLE   667,500 0 0
QUALCOMM INC Common 747525103 78,493 667,000 SH   SOLE   667,000 0 0
ROYAL DUTCH SHELL ADR Common 780259107 15,489 639,500 SH   SOLE   639,500 0 0
SCHLUMBERGER LTD Common 806857108 20,555 1,321,000 SH   SOLE   1,321,000 0 0
SMUCKERS J M Common 832696405 42,627 369,000 SH   SOLE   369,000 0 0
SONOCO PRODUCTS Common 835495102 29,988 587,200 SH   SOLE   587,200 0 0
SOUTH JERSEY INDUSTRIES INC Common 838518108 23,047 1,196,000 SH   SOLE   1,196,000 0 0
SOUTHERN COMPANY Common 842587107 57,392 1,058,500 SH   SOLE   1,058,500 0 0
SOUTHWEST GAS HOLDINGS INC Common 844895102 9,907 157,000 SH   SOLE   157,000 0 0
SPIRE INC Common 84857L101 18,088 340,000 SH   SOLE   340,000 0 0
SYSCO CORP Common 871829107 53,316 856,900 SH   SOLE   856,900 0 0
TEXAS INSTRUMENTS INC Common 882508104 56,973 399,000 SH   SOLE   399,000 0 0
3M CO Common 88579Y101 83,854 523,500 SH   SOLE   523,500 0 0
UGI CORP Common 902681105 11,609 352,000 SH   SOLE   352,000 0 0
UNITED PARCEL SERVICES INC Common 911312106 83,165 499,100 SH   SOLE   499,100 0 0
VALERO ENERGY CORP Common 91913Y100 20,707 478,000 SH   SOLE   478,000 0 0
VANGUARD DIVIDEND APPREC ETF Common 921908844 12,416 96,500 SH   SOLE   96,500 0 0
VANGUARD S&P 500 ETF Common 922908363 11,998 39,000 SH   SOLE   39,000 0 0
VANGUARD LARGE-CAP ETF Common 922908637 12,202 78,000 SH   SOLE   78,000 0 0
VANGUARD GROWTH ETF Common 922908736 12,519 55,000 SH   SOLE   55,000 0 0
VERIZON COMMUNICATIONS INC Common 92343V104 116,957 1,966,000 SH   SOLE   1,966,000 0 0
WEC ENERGY GROUP INC Common 92939U106 41,391 427,151 SH   SOLE   427,151 0 0
WALGREENS BOOTS ALLIANCE INC Common 931427108 46,912 1,306,000 SH   SOLE   1,306,000 0 0
WILEY JOHN & SONS Common 968223206 5,296 167,000 SH   SOLE   167,000 0 0
XCEL ENERGY CORP Common 98389B100 37,334 541,000 SH   SOLE   541,000 0 0
EATON CORP Common G29183103 38,567 378,000 SH   SOLE   378,000 0 0
INVESCO LTD Common G491BT108 18,661 1,635,500 SH   SOLE   1,635,500 0 0