SL 221-2009
Specification on compiling hydropower development planning of medium and small rivers (English Version)

Standard No.

SL 221-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Water Conservancy

Status

Be replaced 2019-05

Replace By

SL 221-2019

Latest

SL 221-2019

Replace

SL 221-1998

Scope

This standard is applicable to the preparation and revision of water energy resource development plans for small and medium-sized rivers with a drainage area of less than 3,000 km. The water energy development plans of rivers with single-station installed capacities of less than 1.0MW can be appropriately simplified with reference to this standard.

SL 221-2009 history

• 2019 SL 221-2019 Procedures for preparation of water energy development planning for small and medium-sized rivers
• 2009 SL 221-2009 Specification on compiling hydropower development planning of medium and small rivers
• 1998 SL 221-1998 The guidelines of hydroenergy development program for medium and small size rivers