▁ ▁Central ▁Europe ▁( Pol and , ▁the ▁Czech ▁Republic , ▁Austria , ▁Slov ak ia , ▁and ▁Hung ary ) ▁has ▁rules ▁changes ▁in ▁Ste ps ▁ 2 ▁and ▁ 3 , ▁and ▁limits ▁on ▁what ▁type ▁of ▁power ▁plant ▁may ▁be ▁used ▁to ▁power ▁cities ▁in ▁different ▁regions ▁( count ries ) ▁of ▁the ▁map . ▁ ▁# 3 : ▁Power ▁Plant ▁De ck ▁ 2 ▁The ▁Power ▁Plant ▁De ck ▁ 2 ▁Exp ansion ▁for ▁Power ▁Grid ▁was ▁published ▁in ▁ 2 0 0 7 . ▁ ▁The ▁expansion ▁provides ▁a ▁second ▁set ▁of ▁power ▁plant ▁cards , ▁offering ▁variety ▁in ▁game play . ▁ ▁It ▁was ▁released ▁at ▁Spiel ▁( the ▁annual ▁game ▁fair ▁in ▁Ess en ) ▁in ▁ 2 0 0 7 . ▁ ▁# 4 : ▁China / K ore a ▁The ▁China ▁& ▁Korea ▁Exp ansion ▁for ▁Power ▁Grid ▁was ▁published ▁in ▁ 2 0 0 8 . ▁ ▁Another ▁map ▁expansion , ▁this ▁time ▁for ▁play ▁in ▁China ▁and ▁Korea . ▁Again , ▁there ▁are ▁small ▁rule ▁changes ▁to ▁reflect ▁the ▁power ▁culture ▁in ▁these ▁two ▁regions . ▁On ▁the ▁Korean ▁side , ▁players ▁are ▁confront ed ▁with ▁expensive ▁connection ▁costs . ▁In ▁addition , ▁because ▁of ▁the ▁political ▁division ▁between ▁North ▁and ▁South , ▁there ▁are ▁two ▁resource ▁mark ets ; ▁in ▁each ▁turn ▁a ▁player ▁must ▁choose ▁only ▁one ▁market ▁to ▁buy ▁resources ▁from , ▁with ▁fewer ▁resources ▁and ▁no ▁u ran ium ▁available ▁in ▁the ▁North . ▁On ▁the ▁Chinese ▁side