This is the last in a series of supplements to the fourth edition of The Electrical Industry of Burma/Myanmar which was published in April 2012. Since that time, eleven supplements have been issued. This issue covers articles published in March and April 2013 along with a couple of items of special interest published at the beginning of May. The compendium itself includes approximately 350 cross-linked articles which cover many aspects of the industry including the development of the hydro and thermal power resources of the country, the increasing intervention of foreign and national companies in this economic sector, the production of electrical and electronic goods, government plans and regulation of the industry, the development of the national power grid and alternative and sources of electricity, among others The fourth edition of the compendium can be accessed using the following URL: http://www.burmalibrary.org/docs2/ELEC-Burma-4th-edition.pdf. Previous supplements for April 2012 through to February 2013, as well as the Compendium itself are available in the Infrastructure section under ?Economy? in the Main Library archive of the Online Burma Library. Check for Electrical Power: Production and Use.