Puni is currently working in her own NGO called People Centered Business and Economic Institute (IBEKA) based in Bandung. Mumpuni and her team successfully implemented numerous electrification projects, which resulted in more than 50 villages in remote parts of Indonesia having access to electrical power.

In recognition of her efforts in improving livelihoods of rural communities, the World Wildlife Fund for Nature (WWF) named Puni a “WWF Climate Hero” in 2005.

Puni is also involved in the government policy making for electricity sector, and Vice Chairman for Electricity Tariff Watch in Indonesia.

She is also a Director for Small and Medium Entrepreneurship and People Empowerment in Electricity Sector of Indonesian Electrical Power Society. She is engaged in many programs related to rural electrification for economic rural development. She implemented Pro-Poor Infrastructure by providing water supply and electricity using renewable energy in remote areas of Indonesia.

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She shares her expertise in the entire ASEAN region by giving capacity building through training on energy provision programs. She initiated a forum on energy efficiency and conservation in Indonesia and how to work with media on an accurate coverage of energy issues. Her NGO has been in cooperation with JICA, TEPCO, TEPSCO and UN ESCAP on various aspects of energy issues with focus on electrification. Recently IBEKA accomplished survey and research on biomass for rural electrification with JBIC in South Sumatera.

Puni plays big role in social preparation before the physical project started, such as institutional formulation, tariff setting, training for Operation and Maintenance, etc.

Apart from electricity business, she owns her own butterfly garden in the mountain area and became first elected women representing her people in Village Parliament where she spend most of her weekend working with the community for welfare improvement.

In October 2007, GlobeAsia magazine stated her as 1 from 99 Most Powerful Women in Asia, related to her effort in promoting community-based hydro electrification.