Blog by UNDP Mongolia Resident Representative, Matilda Dimovska

When Gantuya's family was selected for UNDP's solar heating pilot in Ulaanbaatar, winters meant choking coal smoke, children missing school to tend the stove, and air pollution so thick you could taste it. A year later, her home runs on sunshine. Her children attend school regularly. And she's exploring something remarkable: selling excess solar power back to the grid during Mongolia's long summer days.

This quiet revolution in Chingeltei District doesn't look like traditional one. It's not a megaproject or a master plan. It's a two-year demonstration that has triggered system-wide energy reform.

TESTING SOLUTIONS IN A COAL ECONOMY

Mongolia's energy transformation faces extraordinary headwinds. Coal generates 90% of electricity and drives approximately 80% of export revenues. Any serious push toward renewable energy raises concerns about interests, employment, and fiscal dependency. This makes methodical demonstration essential.

But Ulaanbaatar’s Mayor, Nyambaatar Khishgee and Chingeltei District’s Governor Manduul Nyamandeleg chose not to wait for perfect regulations. With UNDP support, they piloted solar heating and went a step further by creating a practical "energy sandbox": an environment where households, technical innovators, and district government could test solar technologies, financing models, and carbon-credit mechanisms.

The solution piloted for the ger districts of Chingeltei is especially unique because it is homegrown, developed by Mongolian experts and innovators such as URECA who understand the local context, cultural needs, and extreme weather conditions. Local NGO Ger Hub was instrumental in ensuring appropriate outreach and mobilization of local communities.

What started with 68 households pilot funded through UNDP’s Funding Windows (by the Government of France), the Municipality of Ulaanbaatar, the Ministry of Environment and Climate Change, and UNDP[1] became a carefully orchestrated scaling story. An additional 80 households joined in 2025 with financing from Chingeltei District[2] itself—a crucial signal of local ownership. The initiative is now scaling to 450 households by 2027, supported by the China International Development Cooperation Agency (CIDCA)[3], with a longer-term ambition to reach over 1,000 households.

This phased expansion enabled simultaneous testing of technologies (solar PV, smart meters, digital management), regulations (carbon credits, feed-in tariffs), financing (blended and results-based approaches), and behavior/social systems (women's leadership, community governance). In 2025, the system was piloted in two detached houses, marking the first-ever implementation in conventional housing beyond ger dwellings.

FROM PILOT TO POLICY

Two years of methodical work and advocacy produced a policy shift. By proving solar could work where winter temperatures hit -40°C and coal seemed irreplaceable, the UNDP-supported pilot moved from proof of concept to blueprint for national scaling.

In late 2025, under Speaker Uchral Nyam-Osor's initiative, the Parliament adopted a Resolution calling on the Government to initiate a system-wide green energy transformation of Mongolia. It is backed by the flagship "100,000 Solar Homes" Initiative, to equip 100,000 ger-area households by 2035 with integrated solar panels, electric heating, and battery storage—complete with simplified grid connection, quarterly payments for surplus electricity, and access to carbon markets. This means also cutting what previously required a labyrinth of procedural steps and an average of one year for a single household.

The sandbox of Chingeltei District created evidence. The evidence created momentum. The pilot became policy. Policy is now mobilizing millions in climate finance.

HOW SYSTEMS TRANSFORM

UNDP's role was to support the local solution, bridge local innovation with political will, connect technical pilots to regulatory frameworks, and link household-level results to national carbon policy—all while navigating the political reality of deep coal dependency.

The partnership model, starting with the local startup URECA[4] and community organization GerHub[5], building engagement through tireless work and numerous workshops, then supporting technical expertise in verifying carbon credits, created the evidence base that shifted national priorities. The pilot didn't just work; it proved a replicable pathway in conditions others assumed were impossible.

UNDP worked at multiple levels simultaneously: household improvements, district momentum, national regulatory frameworks, and climate finance. When one pathway stalled, others sustained momentum. This was done in recognition that transformation in entrenched systems requires multiple routes to legitimacy, careful demonstration, and the discipline to let evidence speak louder than advocacy.

Complex systems, especially constrained energy systems, cannot be transformed through technology diffusion alone. Bold communities are needed - willing to test, bold local governments - willing to experiment, political champions - willing to build and protect sandboxes from premature scaling, and partnerships that support rigorous learning and credible evidence generation.

In one of Earth's most challenging climates and most coal-dependent economies, UNDP's two-year sandbox demonstrated what's possible. That demonstration informed policy. That policy is now mobilizing resources at scale and becoming a blueprint for distributed solar introduction across Mongolia.

Gantuya's son no longer stays home to burn coal; he's in school. Clean air means fewer illnesses. Mothers are training for renewable energy jobs. Smart meters make carbon emissions visible and accountable. All of this built the evidence base that policymakers needed to justify reform in a coal-dependent economy.

In Ulaanbaatar's ger districts, children who once missed school to burn coal now study while their families sell solar energy back to the grid. Development isn't happening to Mongolia. It's happening with Mongolia, through local champions, patient partnership, sandbox experimentation, and the discipline to prove what works before scaling it.