SEAI Energy Data Portal (Power BI report1) - Primary Energy Supply, Historic, Unit=GWh.
Fuel type components queried for years 1990-1995: Bituminous Coal, Lignite, Jet Kerosene, Kerosene, Milled Peat, Sod Peat, Biomass, Biogas.
Values below are returned by the visual query (floating point GWh) and then combined.

Component values (GWh)
Year,Bituminous Coal,Lignite,Jet Kerosene,Kerosene,Milled Peat,Sod Peat,Biomass,Biogas
1990,24035.755472817531,209.33244063651466,4128.209223,1411.81222,8882.4822800790826,7180.4782998429946,1226.6666666666642,26.388888888888872
1991,22308.671043494,385.31483255999996,4385.456682,1448.642104,9171.8832,5493.04671,1170.6419562788194,33.055555555555536
1992,20020.106548257136,297.242870832,3723.9632159999996,1534.5784999999998,9347.10078,5951.71065,1033.6111111111106,32.499999999999964
1993,19993.764604767439,242.24677424639998,5279.697849,1694.174664,8650.55682,5416.60272,1043.8888888888891,42.222222222222243
1994,19162.444860932163,236.69339714400002,4483.4557140000006,1902.8773399999998,8739.2472000000016,5493.04671,1056.0130621576402,28.888888888888911
1995,19867.556834145882,247.70239236,4128.209223,2565.815252,8319.59028,5711.45811,1034.8558681243571,33.055555555555536

Combined series (exact GWh)
Year,Bituminous Coal + Lignite,Jet Kerosene + Kerosene,Milled Peat + Sod Peat,Biomass + Biogas
1990,24245.087913454045,5540.021443,16062.960579922077,1253.0555555555532
1991,22693.985876054,5834.0987860000005,14664.929909999999,1203.6975118343748
1992,20317.349419089136,5258.541716,15298.811430000002,1066.1111111111106
1993,20236.01137901384,6973.872513,14067.15954,1086.1111111111113
1994,19399.138258076164,6386.333054000001,14232.29391,1084.9019510465291
1995,20115.25922650588,6694.024475,14031.04839,1067.9114236799126

Combined series rounded to whole GWh (visual format "0")
Year,Bituminous Coal + Lignite,Jet Kerosene + Kerosene,Milled Peat + Sod Peat,Biomass + Biogas
1990,24245,5540,16063,1253
1991,22694,5834,14665,1204
1992,20317,5259,15299,1066
1993,20236,6974,14067,1086
1994,19399,6386,14232,1085
1995,20115,6694,14031,1068