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
ABBVIE INC Common 00287Y109 47,822 295,000 SH   SOLE   295,000 0 0
ALLETE INC Common 018522300 36,511 545,100 SH   SOLE   545,100 0 0
ALLIANT ENERGY CORP Common 018802108 28,835 461,500 SH   SOLE   461,500 0 0
AMERICAN ELECTRIC POWER CO INC Common 025537101 78,699 788,800 SH   SOLE   788,800 0 0
ARCHER DANIELS MIDLAND CO Common 039483102 55,555 615,500 SH   SOLE   615,500 0 0
AVISTA CORP Common 05379B107 26,977 597,500 SH   SOLE   597,500 0 0
BP PLC ADR Common 055622104 34,639 1,178,200 SH   SOLE   1,178,200 0 0
BLACK HILLS CORP Common 092113109 49,601 644,000 SH   SOLE   644,000 0 0
BRISTOL MYERS SQUIBB CO Common 110122108 45,206 619,000 SH   SOLE   619,000 0 0
CMS ENERGY CORP Common 125896100 57,701 825,000 SH   SOLE   825,000 0 0
CARDINAL HEALTH INC Common 14149Y108 59,648 1,052,000 SH   SOLE   1,052,000 0 0
CATERPILLAR INC Common 149123101 122,217 548,500 SH   SOLE   548,500 0 0
CENTERPOINT ENERGY INC Common 15189T107 51,536 1,682,000 SH   SOLE   1,682,000 0 0
CHEVRON CORP Common 166764100 110,464 678,400 SH   SOLE   678,400 0 0
CINCINNATI FINANCIAL CORP Common 172062101 56,056 412,300 SH   SOLE   412,300 0 0
CISCO SYSTEMS Common 17275R102 76,988 1,380,700 SH   SOLE   1,380,700 0 0
COCA COLA CO Common 191216100 110,007 1,774,300 SH   SOLE   1,774,300 0 0
CONSOLIDATED EDISON INC Common 209115104 67,155 709,286 SH   SOLE   709,286 0 0
CUMMINS INC Common 231021106 47,073 229,500 SH   SOLE   229,500 0 0
DOMINION RESOURCES INC Common 25746U109 62,589 736,601 SH   SOLE   736,601 0 0
DONEGAL GROUP INC Common 257701201 5,706 425,500 SH   SOLE   425,500 0 0
DOW INC Common 260557103 57,412 901,000 SH   SOLE   901,000 0 0
DUKE ENERGY CORP Common 26441C204 79,360 710,731 SH   SOLE   710,731 0 0
EASTMAN CHEMICAL CO Common 277432100 37,036 330,500 SH   SOLE   330,500 0 0
EMERSON ELECTRIC CO Common 291011104 72,998 744,500 SH   SOLE   744,500 0 0
EVERGY INC Common 30034W106 80,191 1,173,417 SH   SOLE   1,173,417 0 0
EVERSOURCE ENERGY CO Common 30040W108 64,820 735,000 SH   SOLE   735,000 0 0
EXXON MOBIL CORP Common 30231G102 115,758 1,401,600 SH   SOLE   1,401,600 0 0
FLOWERS FOODS INC Common 343498101 42,666 1,659,500 SH   SOLE   1,659,500 0 0
GALLAGHER ARTHUR J Common 363576109 81,608 467,400 SH   SOLE   467,400 0 0
GENERAL MILLS INC Common 370334104 19,402 286,500 SH   SOLE   286,500 0 0
GENUINE PARTS CO Common 372460105 46,816 371,500 SH   SOLE   371,500 0 0
GRAINGER WW INC Common 384802104 59,316 115,000 SH   SOLE   115,000 0 0
HUBBELL INC Common 443510607 49,802 271,000 SH   SOLE   271,000 0 0
ILLINOIS TOOL WORKS Common 452308109 50,884 243,000 SH   SOLE   243,000 0 0
INTEL CORP Common 458140100 51,805 1,045,300 SH   SOLE   1,045,300 0 0
IBM CORP Common 459200101 31,790 244,500 SH   SOLE   244,500 0 0
INTERNATIONAL PAPER CO Common 460146103 29,998 650,000 SH   SOLE   650,000 0 0
JOHNSON & JOHNSON Common 478160104 58,450 329,800 SH   SOLE   329,800 0 0
KELLOGG CO Common 487836108 53,011 822,000 SH   SOLE   822,000 0 0
KIMBERLY CLARK CORP Common 494368103 55,915 454,000 SH   SOLE   454,000 0 0
LEGGETT & PLATT INC Common 524660107 47,206 1,356,500 SH   SOLE   1,356,500 0 0
LOCKHEED MARTIN Common 539830109 44,493 100,800 SH   SOLE   100,800 0 0
MDU RESOURCES GROUP INC Common 552690109 39,429 1,479,500 SH   SOLE   1,479,500 0 0
MSC INDUSTRIAL DIRECT CO Common 553530106 54,637 641,200 SH   SOLE   641,200 0 0
MARATHON PETROLEUM GROUP Common 56585A102 101,788 1,190,500 SH   SOLE   1,190,500 0 0
MCDONALDS CORP Common 580135101 61,424 248,400 SH   SOLE   248,400 0 0
MERCK & CO INC Common 58933Y105 79,547 969,500 SH   SOLE   969,500 0 0
MERCURY GENERAL CORP Common 589400100 30,910 562,000 SH   SOLE   562,000 0 0
METLIFE INC Common 59156R108 44,726 636,400 SH   SOLE   636,400 0 0
NATIONAL FUEL GAS CO Common 636180101 39,606 576,500 SH   SOLE   576,500 0 0
NORTHERN TRUST CORP Common 665859104 31,674 272,000 SH   SOLE   272,000 0 0
NORTHWEST NATURAL HOLDING CO Common 66765N105 19,033 368,000 SH   SOLE   368,000 0 0
NUCOR CORP Common 670346105 107,548 723,500 SH   SOLE   723,500 0 0
OGE ENERGY CORP Common 670837103 71,630 1,756,500 SH   SOLE   1,756,500 0 0
PPL CORP Common 69351T106 40,124 1,404,900 SH   SOLE   1,404,900 0 0
PAYCHEX INC Common 704326107 59,815 438,300 SH   SOLE   438,300 0 0
PEPSICO INC Common 713448108 90,419 540,200 SH   SOLE   540,200 0 0
PFIZER INC Common 717081103 94,817 1,831,500 SH   SOLE   1,831,500 0 0
PHILLIPS 66 Common 718546104 61,199 708,400 SH   SOLE   708,400 0 0
PRINCIPAL FINANCIAL GROUP Common 74251V102 79,650 1,085,000 SH   SOLE   1,085,000 0 0
PROCTER & GAMBLE CO Common 742718109 99,335 650,100 SH   SOLE   650,100 0 0
PRUDENTIAL FINANCIAL INC Common 744320102 47,268 400,000 SH   SOLE   400,000 0 0
PUBLIC SERVICE ENTERPRISE GRP INC Common 744573106 66,675 952,500 SH   SOLE   952,500 0 0
QUALCOMM INC Common 747525103 98,217 642,700 SH   SOLE   642,700 0 0
REALTY INCOME CORP Common 756109104 40,887 590,000 SH   SOLE   590,000 0 0
ROYAL DUTCH SHELL ADR Common 780259305 17,880 325,500 SH   SOLE   325,500 0 0
SCHLUMBERGER LTD Common 806857108 30,817 746,000 SH   SOLE   746,000 0 0
SMUCKERS J M Common 832696405 25,796 190,500 SH   SOLE   190,500 0 0
SONOCO PRODUCTS Common 835495102 36,735 587,200 SH   SOLE   587,200 0 0
SOUTH JERSEY INDUSTRIES INC Common 838518108 28,348 820,500 SH   SOLE   820,500 0 0
SOUTHERN COMPANY Common 842587107 83,350 1,149,500 SH   SOLE   1,149,500 0 0
SOUTHWEST GAS HOLDINGS INC Common 844895102 30,925 395,000 SH   SOLE   395,000 0 0
SPIRE INC Common 84857L101 37,530 523,000 SH   SOLE   523,000 0 0
SYSCO CORP Common 871829107 64,642 791,700 SH   SOLE   791,700 0 0
TEXAS INSTRUMENTS INC Common 882508104 69,814 380,500 SH   SOLE   380,500 0 0
3M CO Common 88579Y101 49,130 330,000 SH   SOLE   330,000 0 0
UGI CORP Common 902681105 12,061 333,000 SH   SOLE   333,000 0 0
UNITED PARCEL SERVICES INC Common 911312106 81,302 379,100 SH   SOLE   379,100 0 0
VALERO ENERGY CORP Common 91913Y100 76,663 755,000 SH   SOLE   755,000 0 0
VERIZON COMMUNICATIONS INC Common 92343V104 108,604 2,132,000 SH   SOLE   2,132,000 0 0
WP CAREY INC Common 92936U109 42,198 522,000 SH   SOLE   522,000 0 0
WEC ENERGY GROUP INC Common 92939U106 84,554 847,151 SH   SOLE   847,151 0 0
WALGREENS BOOTS ALLIANCE INC Common 931427108 31,988 714,500 SH   SOLE   714,500 0 0
WILEY JOHN & SONS Common 968223206 8,856 167,000 SH   SOLE   167,000 0 0
XCEL ENERGY CORP Common 98389B100 39,044 541,000 SH   SOLE   541,000 0 0
EATON CORP Common G29183103 47,000 309,700 SH   SOLE   309,700 0 0