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 93,665 3,254,500 SH   SOLE   3,254,500 0 0
ABBVIE INC Common 00287Y109 86,981 772,200 SH   SOLE   772,200 0 0
ALLETE INC Common 018522300 38,146 545,100 SH   SOLE   545,100 0 0
ALLIANT ENERGY CORP Common 018802108 26,430 474,000 SH   SOLE   474,000 0 0
AMERICAN ELECTRIC POWER CO INC Common 025537101 69,939 826,800 SH   SOLE   826,800 0 0
ARCHER DANIELS MIDLAND CO Common 039483102 38,754 639,500 SH   SOLE   639,500 0 0
AVISTA CORP Common 05379B107 30,552 716,000 SH   SOLE   716,000 0 0
BP PLC ADR Common 055622104 32,819 1,242,200 SH   SOLE   1,242,200 0 0
BLACK HILLS CORP Common 092113109 42,266 644,000 SH   SOLE   644,000 0 0
BRISTOL MYERS SQUIBB CO Common 110122108 54,859 821,000 SH   SOLE   821,000 0 0
CMS ENERGY CORP Common 125896100 39,879 675,000 SH   SOLE   675,000 0 0
CARDINAL HEALTH INC Common 14149Y108 64,141 1,123,500 SH   SOLE   1,123,500 0 0
CATERPILLAR INC Common 149123101 123,396 567,000 SH   SOLE   567,000 0 0
CENTERPOINT ENERGY INC Common 15189T107 42,714 1,742,000 SH   SOLE   1,742,000 0 0
CHEVRON CORP Common 166764100 102,907 982,500 SH   SOLE   982,500 0 0
CINCINNATI FINANCIAL CORP Common 172062101 50,182 430,300 SH   SOLE   430,300 0 0
CISCO SYSTEMS Common 17275R102 92,909 1,753,000 SH   SOLE   1,753,000 0 0
COCA COLA CO Common 191216100 100,499 1,857,300 SH   SOLE   1,857,300 0 0
CONSOLIDATED EDISON INC Common 209115104 64,210 895,286 SH   SOLE   895,286 0 0
CUMMINS INC Common 231021106 55,954 229,500 SH   SOLE   229,500 0 0
DOMINION RESOURCES INC Common 25746U109 59,372 807,012 SH   SOLE   807,012 0 0
DONEGAL GROUP INC Common 257701201 9,682 664,500 SH   SOLE   664,500 0 0
DOW INC Common 260557103 77,771 1,229,000 SH   SOLE   1,229,000 0 0
DUKE ENERGY CORP Common 26441C204 74,902 758,731 SH   SOLE   758,731 0 0
EASTMAN CHEMICAL CO Common 277432100 41,213 353,000 SH   SOLE   353,000 0 0
EMERSON ELECTRIC CO Common 291011104 75,212 781,500 SH   SOLE   781,500 0 0
EVERGY INC Common 30034W106 72,138 1,193,751 SH   SOLE   1,193,751 0 0
EVERSOURCE ENERGY CO Common 30040W108 26,078 325,000 SH   SOLE   325,000 0 0
EXXON MOBIL CORP Common 30231G102 120,615 1,912,100 SH   SOLE   1,912,100 0 0
FLOWERS FOODS INC Common 343498101 45,472 1,879,000 SH   SOLE   1,879,000 0 0
GALLAGHER ARTHUR J Common 363576109 66,034 471,400 SH   SOLE   471,400 0 0
GENERAL MILLS INC Common 370334104 21,691 356,000 SH   SOLE   356,000 0 0
GENUINE PARTS CO Common 372460105 56,659 448,000 SH   SOLE   448,000 0 0
GRAINGER WW INC Common 384802104 51,684 118,000 SH   SOLE   118,000 0 0
HUBBELL INC Common 443510607 53,436 286,000 SH   SOLE   286,000 0 0
ILLINOIS TOOL WORKS Common 452308109 56,225 251,500 SH   SOLE   251,500 0 0
INTEL CORP Common 458140100 59,733 1,064,000 SH   SOLE   1,064,000 0 0
IBM CORP Common 459200101 73,793 503,400 SH   SOLE   503,400 0 0
INTERNATIONAL PAPER CO Common 460146103 39,852 650,000 SH   SOLE   650,000 0 0
JOHNSON & JOHNSON Common 478160104 57,173 347,050 SH   SOLE   347,050 0 0
KELLOGG CO Common 487836108 64,780 1,007,000 SH   SOLE   1,007,000 0 0
KIMBERLY CLARK CORP Common 494368103 75,010 560,700 SH   SOLE   560,700 0 0
LEGGETT & PLATT INC Common 524660107 72,871 1,406,500 SH   SOLE   1,406,500 0 0
LOCKHEED MARTIN Common 539830109 17,707 46,800 SH   SOLE   46,800 0 0
MDU RESOURCES GROUP INC Common 552690109 48,154 1,536,500 SH   SOLE   1,536,500 0 0
MSC INDUSTRIAL DIRECT CO Common 553530106 55,184 615,000 SH   SOLE   615,000 0 0
MARATHON PETROLEUM GROUP Common 56585A102 74,166 1,227,500 SH   SOLE   1,227,500 0 0
MCDONALDS CORP Common 580135101 59,688 258,400 SH   SOLE   258,400 0 0
MERCK & CO INC Common 58933Y105 77,498 996,500 SH   SOLE   996,500 0 0
MERCURY GENERAL CORP Common 589400100 33,254 512,000 SH   SOLE   512,000 0 0
METLIFE INC Common 59156R108 42,517 710,400 SH   SOLE   710,400 0 0
NATIONAL FUEL GAS CO Common 636180101 44,491 851,500 SH   SOLE   851,500 0 0
NORTHERN TRUST CORP Common 665859104 33,588 290,500 SH   SOLE   290,500 0 0
NORTHWEST NATURAL HOLDING CO Common 66765N105 20,168 384,000 SH   SOLE   384,000 0 0
NUCOR CORP Common 670346105 72,475 755,500 SH   SOLE   755,500 0 0
OGE ENERGY CORP Common 670837103 60,099 1,786,000 SH   SOLE   1,786,000 0 0
PPL CORP Common 69351T106 55,993 2,001,900 SH   SOLE   2,001,900 0 0
PAYCHEX INC Common 704326107 47,030 438,300 SH   SOLE   438,300 0 0
PEPSICO INC Common 713448108 84,635 571,200 SH   SOLE   571,200 0 0
PFIZER INC Common 717081103 73,484 1,876,500 SH   SOLE   1,876,500 0 0
PHILLIPS 66 Common 718546104 62,005 722,500 SH   SOLE   722,500 0 0
PRINCIPAL FINANCIAL GROUP Common 74251V102 76,839 1,216,000 SH   SOLE   1,216,000 0 0
PROCTER & GAMBLE CO Common 742718109 94,330 699,100 SH   SOLE   699,100 0 0
PRUDENTIAL FINANCIAL INC Common 744320102 40,988 400,000 SH   SOLE   400,000 0 0
PUBLIC SERVICE ENTERPRISE GRP INC Common 744573106 72,733 1,217,500 SH   SOLE   1,217,500 0 0
QUALCOMM INC Common 747525103 93,476 654,000 SH   SOLE   654,000 0 0
REALTY INCOME CORP Common 756109104 39,377 590,000 SH   SOLE   590,000 0 0
ROYAL DUTCH SHELL ADR Common 780259107 19,201 494,500 SH   SOLE   494,500 0 0
SCHLUMBERGER LTD Common 806857108 32,618 1,019,000 SH   SOLE   1,019,000 0 0
SMUCKERS J M Common 832696405 40,426 312,000 SH   SOLE   312,000 0 0
SONOCO PRODUCTS Common 835495102 39,284 587,200 SH   SOLE   587,200 0 0
SOUTH JERSEY INDUSTRIES INC Common 838518108 31,012 1,196,000 SH   SOLE   1,196,000 0 0
SOUTHERN COMPANY Common 842587107 74,942 1,238,500 SH   SOLE   1,238,500 0 0
SOUTHWEST GAS HOLDINGS INC Common 844895102 26,145 395,000 SH   SOLE   395,000 0 0
SPIRE INC Common 84857L101 37,797 523,000 SH   SOLE   523,000 0 0
SYSCO CORP Common 871829107 66,624 856,900 SH   SOLE   856,900 0 0
TEXAS INSTRUMENTS INC Common 882508104 76,728 399,000 SH   SOLE   399,000 0 0
3M CO Common 88579Y101 95,442 480,500 SH   SOLE   480,500 0 0
UGI CORP Common 902681105 16,301 352,000 SH   SOLE   352,000 0 0
UNITED PARCEL SERVICES INC Common 911312106 82,377 396,100 SH   SOLE   396,100 0 0
VALERO ENERGY CORP Common 91913Y100 61,527 788,000 SH   SOLE   788,000 0 0
VANGUARD DIVIDEND APPREC ETF Common 921908844 22,522 145,500 SH   SOLE   145,500 0 0
VANGUARD S&P 500 ETF Common 922908363 22,923 58,250 SH   SOLE   58,250 0 0
VANGUARD LARGE-CAP ETF Common 922908637 19,674 98,000 SH   SOLE   98,000 0 0
VANGUARD GROWTH ETF Common 922908736 20,364 71,000 SH   SOLE   71,000 0 0
VERIZON COMMUNICATIONS INC Common 92343V104 121,361 2,166,000 SH   SOLE   2,166,000 0 0
WP CAREY INC Common 92936U109 38,952 522,000 SH   SOLE   522,000 0 0
WEC ENERGY GROUP INC Common 92939U106 65,570 737,151 SH   SOLE   737,151 0 0
WALGREENS BOOTS ALLIANCE INC Common 931427108 68,709 1,306,000 SH   SOLE   1,306,000 0 0
WILEY JOHN & SONS Common 968223206 10,050 167,000 SH   SOLE   167,000 0 0
XCEL ENERGY CORP Common 98389B100 35,641 541,000 SH   SOLE   541,000 0 0
EATON CORP Common G29183103 56,012 378,000 SH   SOLE   378,000 0 0