The PDMs worked with 10 local authorities to deliver direct mailing campaigns to promote Nest, which reached a total of 50,662 households.
Gweithiodd y Rheolwyr Datblygu Partneriaethau gyda deg awdurdod lleol i anfon ymgyrchoedd postio uniongyrchol er mwyn hyrwyddo Nyth, a gyrhaeddodd gyfanswm o 50,662 o gartrefi.