hi all,

250w hps 12 hours @ £0.12kwh will cost £0.36 (250w x 12 =3kw x 0.12kwh= 0.36) are my calculations correct????????????please can someone tell me!!!!!
i heard on other posts a 250w actually consumes 450w or something is this true.......i was told 250w is 0.25kwh so im really confused and would really appreciate any help

morning glory
morning glory Reviewed by morning glory on . help please hi all, 250w hps 12 hours @ £0.12kwh will cost £0.36 (250w x 12 =3kw x 0.12kwh= 0.36) are my calculations correct????????????please can someone tell me!!!!! i heard on other posts a 250w actually consumes 450w or something is this true.......i was told 250w is 0.25kwh so im really confused and would really appreciate any help morning glory Rating: 5