Featured insights
Analysis
Japan could triple its clean electricity without much waste
Japan could expand renewable energy to 50% of electricity by 2040 without wasting clean power, according to new modelling of the country’s future power system.
Analysis
The Philippines could outpace its 2040 renewable energy targets
Modelling shows renewables could exceed energy targets while cutting coal use by a third and gas by nearly two thirds, creating space to retire inefficient plants before power costs rise
Analysis
Bangladesh rooftop solar: humble beginnings
TransitionZero’s satellite imagery and analysis show steady growth, but adoption still falls short of policy targets
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Update
A year of solar acceleration: the Q4 2025 Solar Asset Mapper release
From China’s runaway growth to new hotspots in the Philippines and South Africa — TZ-SAM’s latest update captures a record year for global solar, plus key lessons from 2025.
Update
Free, no-code hourly dispatch modelling is here
Scenario Builder now bridges the gap between long-term investment planning and short-term operations modelling
Update
Tracking the solar revolution: inside the Q3 2025 Solar Asset Mapper release
From Saudi Arabia’s mega projects to Pakistan’s rooftops — TZ-SAM’s Q3 2025 update tracks solar’s advance across continents, alongside new research on distributed systems.
Update
Open source interoperability: integrating OSeMOSYS and PyPSA for power system analysis
How our unified, interoperable data model allows results from one model framework can be easily shared between and across multiple others
Update
Solar Asset Mapper Q1 2025 data release
Top-level highlights from our second rolling quarterly release of TZ-SAM
Update
Southeast Asia at the crossroads
Energy transition trends to watch in 2025
Update
Solar Asset Mapper is now released quarterly
Following today’s Q4 2024 release of TZ-SAM, we’re bringing you updates more regularly
Update
Our secret master plan
Don't tell anybody!
