Featured insights

Analysis
Heavily contracted coal strains Philippines grid as outages surge in 2025
TZ-CAT data shows several heavily contracted units already exceed outage thresholds by 189%, posing risks to grid stability and electricity prices

Analysis
Batteries are Pakistan’s antidote to volatile fossil fuel prices
Investing US$500m in batteries plus renewables could save up to US$2.87bn in RLNG operating costs by 2030.

Analysis
A Japan powered by 90% clean energy is achievable only with a flexible system
New analysis shows how interconnectors, flexible nuclear and long-duration storage could help reduce wasted renewable energy in Japan’s power system.
All articles

Analysis
How a Java-Sumatra interconnection could accelerate Indonesia’s decarbonisation
Scenario Builder modelling shows the inter-island transmission link could raise Indonesia’s renewable generation share to 48% by 2040

Analysis
Heavily contracted coal strains Philippines grid as outages surge in 2025
TZ-CAT data shows several heavily contracted units already exceed outage thresholds by 189%, posing risks to grid stability and electricity prices

Analysis
Batteries are Pakistan’s antidote to volatile fossil fuel prices
Investing US$500m in batteries plus renewables could save up to US$2.87bn in RLNG operating costs by 2030.

Analysis
A Japan powered by 90% clean energy is achievable only with a flexible system
New analysis shows how interconnectors, flexible nuclear and long-duration storage could help reduce wasted renewable energy in Japan’s power system.

Analysis
Philippines’ emergency and long-term coal contracts are costing consumers
New TZ-CAT analysis identifies 75 emergency coal contracts bridging supply gaps, with some priced 32–68% higher than long-term contracts

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.

Explainer
Coal flexibility risks locking in gas in Peninsular Malaysia
Modelling shows coal flexibility shifts up to 90% generation to gas in Peninsular Malaysia, but enables coal-to-clean switching in Sarawak at minimal cost

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
