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 61,153 2,264,100 SH   SOLE   2,264,100 0 0
ABBVIE INC Common 00287Y109 83,297 772,200 SH   SOLE   772,200 0 0
ALLETE INC Common 018522300 32,444 545,100 SH   SOLE   545,100 0 0
ALLIANT ENERGY CORP Common 018802108 26,535 474,000 SH   SOLE   474,000 0 0
AMERICAN ELECTRIC POWER CO INC Common 025537101 67,120 826,800 SH   SOLE   826,800 0 0
ARCHER DANIELS MIDLAND CO Common 039483102 38,376 639,500 SH   SOLE   639,500 0 0
AVISTA CORP Common 05379B107 24,685 631,000 SH   SOLE   631,000 0 0
BP PLC ADR Common 055622104 33,949 1,242,200 SH   SOLE   1,242,200 0 0
BLACK HILLS CORP Common 092113109 40,417 644,000 SH   SOLE   644,000 0 0
BRISTOL MYERS SQUIBB CO Common 110122108 37,869 640,000 SH   SOLE   640,000 0 0
CMS ENERGY CORP Common 125896100 49,277 825,000 SH   SOLE   825,000 0 0
CARDINAL HEALTH INC Common 14149Y108 51,265 1,036,500 SH   SOLE   1,036,500 0 0
CATERPILLAR INC Common 149123101 108,847 567,000 SH   SOLE   567,000 0 0
CENTERPOINT ENERGY INC Common 15189T107 42,853 1,742,000 SH   SOLE   1,742,000 0 0
CHEVRON CORP Common 166764100 72,780 717,400 SH   SOLE   717,400 0 0
CINCINNATI FINANCIAL CORP Common 172062101 49,149 430,300 SH   SOLE   430,300 0 0
CISCO SYSTEMS Common 17275R102 78,428 1,440,900 SH   SOLE   1,440,900 0 0
COCA COLA CO Common 191216100 97,453 1,857,300 SH   SOLE   1,857,300 0 0
CONSOLIDATED EDISON INC Common 209115104 51,487 709,286 SH   SOLE   709,286 0 0
CUMMINS INC Common 231021106 51,537 229,500 SH   SOLE   229,500 0 0
DOMINION RESOURCES INC Common 25746U109 58,928 807,012 SH   SOLE   807,012 0 0
DONEGAL GROUP INC Common 257701201 9,629 664,500 SH   SOLE   664,500 0 0
DOW INC Common 260557103 57,013 990,500 SH   SOLE   990,500 0 0
DUKE ENERGY CORP Common 26441C204 74,045 758,731 SH   SOLE   758,731 0 0
EASTMAN CHEMICAL CO Common 277432100 35,561 353,000 SH   SOLE   353,000 0 0
EMERSON ELECTRIC CO Common 291011104 73,617 781,500 SH   SOLE   781,500 0 0
EVERGY INC Common 30034W106 74,251 1,193,751 SH   SOLE   1,193,751 0 0
EVERSOURCE ENERGY CO Common 30040W108 60,094 735,000 SH   SOLE   735,000 0 0
EXXON MOBIL CORP Common 30231G102 89,236 1,517,100 SH   SOLE   1,517,100 0 0
FLOWERS FOODS INC Common 343498101 40,785 1,726,000 SH   SOLE   1,726,000 0 0
GALLAGHER ARTHUR J Common 363576109 70,074 471,400 SH   SOLE   471,400 0 0
GENERAL MILLS INC Common 370334104 21,296 356,000 SH   SOLE   356,000 0 0
GENUINE PARTS CO Common 372460105 46,431 383,000 SH   SOLE   383,000 0 0
GRAINGER WW INC Common 384802104 46,381 118,000 SH   SOLE   118,000 0 0
HUBBELL INC Common 443510607 51,672 286,000 SH   SOLE   286,000 0 0
ILLINOIS TOOL WORKS Common 452308109 51,967 251,500 SH   SOLE   251,500 0 0
INTEL CORP Common 458140100 56,690 1,064,000 SH   SOLE   1,064,000 0 0
IBM CORP Common 459200101 52,571 378,400 SH   SOLE   378,400 0 0
INTERNATIONAL PAPER CO Common 460146103 36,348 650,000 SH   SOLE   650,000 0 0
JOHNSON & JOHNSON Common 478160104 56,049 347,050 SH   SOLE   347,050 0 0
KELLOGG CO Common 487836108 54,396 851,000 SH   SOLE   851,000 0 0
KIMBERLY CLARK CORP Common 494368103 63,929 482,700 SH   SOLE   482,700 0 0
LEGGETT & PLATT INC Common 524660107 63,067 1,406,500 SH   SOLE   1,406,500 0 0
LOCKHEED MARTIN Common 539830109 34,786 100,800 SH   SOLE   100,800 0 0
MDU RESOURCES GROUP INC Common 552690109 45,588 1,536,500 SH   SOLE   1,536,500 0 0
MSC INDUSTRIAL DIRECT CO Common 553530106 53,407 666,000 SH   SOLE   666,000 0 0
MARATHON PETROLEUM GROUP Common 56585A102 75,872 1,227,500 SH   SOLE   1,227,500 0 0
MCDONALDS CORP Common 580135101 62,303 258,400 SH   SOLE   258,400 0 0
MERCK & CO INC Common 58933Y105 74,847 996,500 SH   SOLE   996,500 0 0
MERCURY GENERAL CORP Common 589400100 31,287 562,000 SH   SOLE   562,000 0 0
METLIFE INC Common 59156R108 41,816 677,400 SH   SOLE   677,400 0 0
NATIONAL FUEL GAS CO Common 636180101 32,720 623,000 SH   SOLE   623,000 0 0
NORTHERN TRUST CORP Common 665859104 29,324 272,000 SH   SOLE   272,000 0 0
NORTHWEST NATURAL HOLDING CO Common 66765N105 17,660 384,000 SH   SOLE   384,000 0 0
NUCOR CORP Common 670346105 74,409 755,500 SH   SOLE   755,500 0 0
OGE ENERGY CORP Common 670837103 58,867 1,786,000 SH   SOLE   1,786,000 0 0
PPL CORP Common 69351T106 43,128 1,546,900 SH   SOLE   1,546,900 0 0
PAYCHEX INC Common 704326107 49,287 438,300 SH   SOLE   438,300 0 0
PEPSICO INC Common 713448108 85,914 571,200 SH   SOLE   571,200 0 0
PFIZER INC Common 717081103 80,708 1,876,500 SH   SOLE   1,876,500 0 0
PHILLIPS 66 Common 718546104 50,597 722,500 SH   SOLE   722,500 0 0
PRINCIPAL FINANCIAL GROUP Common 74251V102 72,386 1,124,000 SH   SOLE   1,124,000 0 0
PROCTER & GAMBLE CO Common 742718109 97,734 699,100 SH   SOLE   699,100 0 0
PRUDENTIAL FINANCIAL INC Common 744320102 42,080 400,000 SH   SOLE   400,000 0 0
PUBLIC SERVICE ENTERPRISE GRP INC Common 744573106 59,773 981,500 SH   SOLE   981,500 0 0
QUALCOMM INC Common 747525103 84,353 654,000 SH   SOLE   654,000 0 0
REALTY INCOME CORP Common 756109104 38,267 590,000 SH   SOLE   590,000 0 0
ROYAL DUTCH SHELL ADR Common 780259107 21,892 494,500 SH   SOLE   494,500 0 0
SCHLUMBERGER LTD Common 806857108 30,203 1,019,000 SH   SOLE   1,019,000 0 0
SMUCKERS J M Common 832696405 25,326 211,000 SH   SOLE   211,000 0 0
SONOCO PRODUCTS Common 835495102 34,985 587,200 SH   SOLE   587,200 0 0
SOUTH JERSEY INDUSTRIES INC Common 838518108 18,103 851,500 SH   SOLE   851,500 0 0
SOUTHERN COMPANY Common 842587107 76,750 1,238,500 SH   SOLE   1,238,500 0 0
SOUTHWEST GAS HOLDINGS INC Common 844895102 26,418 395,000 SH   SOLE   395,000 0 0
SPIRE INC Common 84857L101 31,997 523,000 SH   SOLE   523,000 0 0
SYSCO CORP Common 871829107 67,267 856,900 SH   SOLE   856,900 0 0
TEXAS INSTRUMENTS INC Common 882508104 76,692 399,000 SH   SOLE   399,000 0 0
3M CO Common 88579Y101 60,257 343,500 SH   SOLE   343,500 0 0
UGI CORP Common 902681105 14,192 333,000 SH   SOLE   333,000 0 0
UNITED PARCEL SERVICES INC Common 911312106 72,130 396,100 SH   SOLE   396,100 0 0
VALERO ENERGY CORP Common 91913Y100 55,609 788,000 SH   SOLE   788,000 0 0
VANGUARD DIVIDEND APPREC ETF Common 921908844 34,022 221,500 SH   SOLE   221,500 0 0
VANGUARD S&P 500 ETF Common 922908363 34,609 87,750 SH   SOLE   87,750 0 0
VANGUARD LARGE-CAP ETF Common 922908637 31,243 155,500 SH   SOLE   155,500 0 0
VANGUARD GROWTH ETF Common 922908736 32,354 111,500 SH   SOLE   111,500 0 0
VERIZON COMMUNICATIONS INC Common 92343V104 116,986 2,166,000 SH   SOLE   2,166,000 0 0
WP CAREY INC Common 92936U109 38,127 522,000 SH   SOLE   522,000 0 0
WEC ENERGY GROUP INC Common 92939U106 77,629 880,151 SH   SOLE   880,151 0 0
WALGREENS BOOTS ALLIANCE INC Common 931427108 33,476 711,500 SH   SOLE   711,500 0 0
WILEY JOHN & SONS Common 968223206 8,719 167,000 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 56,439 378,000 SH   SOLE   378,000 0 0