Life / Electricity, water, gas charge in Warsaw, Poland. [17]

Hello everyone i have studio flat near Centrum rent is reasonable but the electric, gas , water bill is coming too much i need some suggestions or advice from everyone that what can i do . Here all bills are coming every six months or 2 months and the owner is taken bills every monthly as per meter reading the owner is taking bills every month we are paying some time its 600 zloty or sometimes bills are 400 .From 2 years staying in same flat every month it is increasing sometimes it is decreasing now what to do its big trouble.

Only for studio flat which rent is 1900 + bill . It is reasonable to pay this much zloty ?

I need some solution or may be is there any office for paying bills(electric,gas ,& water ) so i can go there and inquiry from there .

Hope everyone can understand my situation.
Thank you