Real estate experts Drew Scott, left, and Jonathan Scott, center, stars of the HGTV show "Property Brothers" and solar enthusiasts, help install Sunrun solar panels Saturday, Jan. 24, 2015, on their "smart home" in Las Vegas. NV Energy will implement steep rate hikes on Friday that triple a fixed fee and cut the value of incentive credits for rooftop solar customers, despite several last-minute efforts this week to delay the increases until an appeals process runs its course.