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 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
ATLANTICA SUSTAINABLE INFR P SHS G0751N1031,37137,425SH SOLE037,42500
SWITCHBACK II CORPORATION UNIT G8633T1233,817374,999SH SOLE0374,99900
TORTOISE ACQUISITION CORP II COM CL A G895541028,494775,674SH SOLE0775,67400
TORTOISE ACQUISITION CORP II UNIT G895541104,803406,312SH SOLE0406,31200
ALTUS MIDSTREAM CO COM NEW CL A 02215L2091,59730,443SH SOLE030,44300
ANTERO MIDSTREAM CORP COM 03676B10213,7301,520,508SH SOLE01,520,50800
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL10918114,300SH SOLE014,30000
BLOOM ENERGY CORP COM CL A 0937121077,603281,060SH SOLE0281,06000
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q10170016,846SH SOLE016,84600
CHENIERE ENERGY INC COM NEW 16411R208197,7492,746,134SH SOLE02,746,13400
CHEVRON CORP NEW COM 1667641006826,506SH SOLE06,50600
CLIMATE REAL IMPACT SLUTINS UNIT 1871712023,097309,692SH SOLE0309,69200
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 22634420830,6261,189,992SH SOLE01,189,99200
DCP MIDSTREAM LP COM UT LTD PTN 23311P10032,6661,508,148SH SOLE01,508,14800
DECARBONIZATION PLUS ACQU II UNIT 2427942045,406537,420SH SOLE0537,42000
ECP ENVIRONMENTAL GW OPT COR UNIT 26829T2099,001895,492SH SOLE0895,49200
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 29248010016,3412,521,832SH SOLE02,521,83200
ENBRIDGE INC COM 29250N105127,7763,486,289SH SOLE03,486,28900
ENERGY TRANSFER LP COM UT LTD PTN 29273V100131,43517,113,907SH SOLE017,113,90700
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T1004,6711,088,741SH SOLE01,088,74100
ENPHASE ENERGY INC COM 29355A10727,071166,938SH SOLE0166,93800
ENTERPRISE PRODS PARTNERS L COM 293792107183,3398,326,014SH SOLE08,326,01400
ENVIVA PARTNERS LP COM UNIT 29414J1077,091146,720SH SOLE0146,72000
EQUITRANS MIDSTREAM CORP COM 29460010138,9634,774,890SH SOLE04,774,89000
EXXON MOBIL CORP COM 30231G10266311,878SH SOLE011,87800
FIRST RESERVE SUSTAINABLE GW UNIT 3361692065,546553,000SH SOLE0553,00000
GENESIS ENERGY L P UNIT LTD PARTN 37192710436,7003,929,373SH SOLE03,929,37300
HENNESSY CAPITAL INVS CORP V UNIT 42589T2061,298128,251SH SOLE0128,25100
HESS MIDSTREAM LP CL A SHS 4281031052,566114,445SH SOLE0114,44500
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 4357631071,12058,587SH SOLE058,58700
KINDER MORGAN INC DEL COM 49456B10177,0154,625,523SH SOLE04,625,52300
MPLX LP COM UNIT REP LTD 55336V100128,9025,029,337SH SOLE05,029,33700
MACQUARIE INFRASTRUCTURE COR COM 55608B10552816,606SH SOLE016,60600
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 55908010638,170880,307SH SOLE0880,30700
MARATHON PETE CORP COM 56585A10281515,235SH SOLE015,23500
NEXTERA ENERGY INC COM 65339F1011,36318,030SH SOLE018,03000
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B10655,769765,219SH SOLE0765,21900
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L10555438,174SH SOLE038,17400
NORTHERN GENESIS ACQUISITION UNIT 66516U20086084,008SH SOLE084,00800
NUSTAR ENERGY LP UNIT COM 67058H10216,066940,063SH SOLE0940,06300
ONEOK INC NEW COM 682680103116,9892,309,303SH SOLE02,309,30300
PEMBINA PIPELINE CORP COM 706327103116,2763,990,730SH SOLE03,990,73000
PHILLIPS 66 COM 7185461042,64832,477SH SOLE032,47700
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 71854920715,038474,846SH SOLE0474,84600
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 72650310572,8738,008,017SH SOLE08,008,01700
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A20740,3454,292,014SH SOLE04,292,01400
PLUG POWER INC COM NEW 72919P2022,52170,336SH SOLE070,33600
POWER DIGITAL INFRA ACQ CO UNIT 7391902058,075800,000SH SOLE0800,00000
RATTLER MIDSTREAM LP COM UNITS 75419T10324,0992,267,107SH SOLE02,267,10700
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 82263410121,2251,591,080SH SOLE01,591,08000
SHOALS TECHNOLOGIES GROUP IN CL A 82489W1072,38468,531SH SOLE068,53100
SOLAREDGE TECHNOLOGIES INC COM 83417M10411,12738,712SH SOLE038,71200
SPARTAN ACQUISITION CORP III UNIT 84677R2055,982596,427SH SOLE0596,42700
STAR PEAK CORP II UNIT 8551792063,401325,000SH SOLE0325,00000
SUNNOVA ENERGY INTL INC. COM 86745K1047,408181,478SH SOLE0181,47800
SUNRUN INC COM 86771W1059,077150,084SH SOLE0150,08400
TPI COMPOSITES INC COM 87266J1044,72283,682SH SOLE083,68200
TARGA RES CORP COM 87612G101105,5983,325,935SH SOLE03,325,93500
TC ENERGY CORP COM 87807B107119,5862,592,579SH SOLE02,592,57900
VALERO ENERGY CORP COM 91913Y1002,75638,492SH SOLE038,49200
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 95866910343,7412,352,914SH SOLE02,352,91400
WILLIAMS COS INC COM 969457100129,4115,462,703SH SOLE05,462,70300