off-peak time

基本解释

Nissan says as well as its potential use in blackouts, the car can be charged during night time off-peak hours and the electricity used by households during high-demand periods.
日产汽车指出该款汽车不仅可以在停电时充当电源，用户同样可以在夜间非高峰时段给汽车充电以保证白天用电高峰期的电力供应。
"Rate design to encourage off-peak charging, coupled with time-of-use rates, and smart grid/advanced metering initiatives, would facilitate favorable charging behavior," it said.
报告还认为“通过价格机能、时段收费、和智能电网/先进测量方案来鼓励在低谷时段充电，培养适宜的充电行为”。
blog.sina.com.cn
In this paper a congestion pricing problem for two time periods(peak and off-peak) and two travel modes(car and transit) on one-way road is analyzed.
本文分析多种出行方式的单向道路，在高峰和前高峰两个时间段下拥挤定价的问题。

See if you can start work at an off-peak time to avoid rush hour, or explore whether telecommuting may be an option.
FORBES: How Road Rage Endangers Your Commute -- And How To Prevent It In Yourself
Only about 20% of that capacity is generally available during peak demand periods (about 5:00pm), while average generation during off-peak time averages about 40% of capacity.
FORBES: Wind Energy's Overblown Prospects
Owners can coordinate charging according to departure time or during off-peak electricity rates.
ENGADGET: Chevy details 2014 Spark EV: under $25,000, 0-60 in 8 seconds and a 20-minute fast charge