150 Amp Service

The total may be more than twice the total amperage of the box.
150 amp service. The exact size and type of conductors may be identified to see if they are rated for a higher amperage however when upgrading to a higher amperage panel it is typical to install new service conductors. I do also say it os worth it just for the breaker spaces. Most breaker boxes are 100 150 or 200 amps. A 150 amp service only requires a 6 ground it smaller gage wire.
If the meter is a glass dome mounted on a square metal base the home probably has 100 amps of power while a newer 150 amp or larger service will have a rectangular base that extends below the glass dome. New homes are installing 200 amp 42 circuit panels. A 200 amp service also adds to the value to the home. How much idk but i always see it mentioned.
1 16 of 177 results for 150 amp service panel square d by schneider electric hom3060m150pcvp homeline 150 amp 30 space 60 circuit indoor main breaker load center with cover value pack plug on neutral ready 4 6 out of 5 stars 14. If you do go for it tell them you want a 40 space 40 circuit panel. If you are thinking of an upgrade skip the 150 amp service and go to a 200 amp panel. Siemens pn series 150 amp 20 space 40 circuit main breaker plug on neutral load center indoor with copper bus model pn2040b1150c view the plug on neutral load centers and electronic breakers.
Increasing to a 150 amp service will use a 1 0 wire size. 500 seams a little on the high side for the up sizing of the service from 150 to 200 amp but i can t see the job from here. Make sure you do not overload your service panel. Add the amperages of all the individual breakers in the box.
But again it is possible that your existing ground wire is already a 4 you gotta check that out. A 200 amp panel with a meter.