Why the world is approaching its Emissions Peak and why Industrial Heat is the decisive factor
Thought leadership article from Suncom Energy
Introduction
The BBC recently published an analysis that deserves close attention. For 2025, global CO2 emissions from fossil fuels are expected to reach a new record: 38.1 billion tonnes. Yet the same dataset shows a remarkable shift. Thanks to exceptionally rapid growth in solar and wind power, emissions from the electricity sector are stagnating for the first time in years, even as global electricity demand continues to rise.
This development shows that the energy transition works when technology becomes scalable, reliable, and affordable. It brings the world closer to a possible turning point where emissions no longer increase year after year.
But one sector is falling behind. A sector larger than electricity, transport, and buildings combined: industrial heat.
This article explains why industrial heat is the key to global emissions reduction and how Suncom Energy provides precisely the technology required to enable this shift.
1. The Global Energy system is undergoing a historic shift
The BBC analysis highlights a clear trend supported by hard data. The electricity sector, the largest emitter worldwide, is showing the first signs of a structural decline in fossil-based generation. This decline is not driven by recession or reduced demand, but by a strong increase in solar and wind energy that fully absorbs the growth in electricity consumption.
The Global Carbon Budget shows that global emissions growth has slowed dramatically in the past decade. While emissions grew by 1.9 percent per year between 2000 and 2010, growth has now dropped to 0.3 percent per year. This demonstrates that the global economy can continue to grow while emissions rise more slowly.
The electricity sector is moving toward an emissions peak. The question is what the rest of the economy will do.
2. The Biggest Emissions problem is not electricity but heat
More than half of all energy used worldwide goes to heat. Over half of that is used in industrial processes such as pasteurisation, drying, heating, sterilisation, and steam production.
In most factories, this heat is generated with natural gas, diesel, or fuel oil. Electrification is often not a viable alternative. Heat pumps usually deliver up to 120 degrees Celsius, while many processes require 150 to 475 degrees. Electricity grids in Europe are also congested, further slowing industrial electrification.
This means the sector with the highest energy demand is the sector that is decarbonising the slowest. The BBC data confirms this. While emissions in the electricity sector stabilise, fossil emissions from industry and heat production continue to rise.
The world will not achieve declining emissions until industrial heat begins to shift.
3. Why Solar Thermal Heat is now reaching a turning point
The energy transition to date proves that once a technology is scalable, affordable, and reliable, adoption accelerates rapidly. Solar power is the clearest example. According to Ember, solar energy is growing faster than any energy source in history.
The same dynamic applies to industrial heat, but the technology to deliver high temperature heat at competitive cost has long been missing.
Suncom Energy focuses precisely on this challenge. The company has developed a patented Concentrated Solar Thermal system capable of delivering temperatures up to 475 degrees Celsius, storing that heat, and integrating directly into existing production lines. This creates a fossil-free source of industrial process heat that can compete economically and technically with gas and oil.
4. How Suncom Energy fills the gap left by the energy transition
Suncom Energy’s SunFleet consists of four integrated components:
4.1 SunArc: High temperature heat from solar concentration
Parabolic mirrors concentrate sunlight onto a receiver containing a thermal fluid. The system reaches temperatures up to 475 degrees and converts 72 percent of direct sunlight into usable heat.
4.2 Power-to-Heat: Heat from electricity when surplus is available
When there is surplus electricity (for example, during negative market prices or local grid congestion), it is automatically converted into industrial heat. This allows heat production even when there is no sun.
4.3 SunTES: Thermal Storage for day and night
The heat is stored in a thermal battery. This storage makes heat available at night, during cloudy conditions, or during production peaks. The heat stays at usable temperature for several days.
4.4 Heat Exchanger: direct integration with existing production
Stored heat is delivered at the exact required temperature, for example as steam or via a heat exchanger. Factories need almost no modifications to their infrastructure.
in Petajoule (PJ)
5. Why this now works economically
Companies in Spain and the Netherlands benefit immediately. One example is Smileat, an organic baby food manufacturer, where diesel consumption has been reduced by more than 80 percent. CO2 emissions fall accordingly, and the factory becomes far less dependent on fossil fuel price volatility.
Because SunFleet is modular, installations can start at relatively small scale and be expanded over time. This lower entry threshold accelerates adoption.
In addition, all components are made in Europe, without critical raw materials. This makes scaling faster, more affordable, and less sensitive to geopolitical risk.
6. Industrial Heat is the largest opportunity for climate impact
Electrification of mobility and electricity generation is progressing quickly. Heat pumps are growing in adoption for low temperature heat below 120 degrees Celsius. Solar and wind parks are being built faster than ever. But industrial heat has long lagged behind.
With the introduction of cost-effective solar thermal systems and thermal storage, this situation is changing. The sector that consumes the most energy can now decarbonise at the same pace as the electricity sector.
Decarbonising industrial heat delivers:
- direct large-scale CO2 reductions
- lower and more stable energy prices for producers
- relief for congested electricity grids
- faster progress toward national climate targets
- increased energy security for industry
7. Conclusion: The Electricity Transition is reaching its Tipping Point. The heat transition starts now
The BBC analysis shows that the world may be close to an emissions peak. But this peak will turn into a real decline only when industrial heat shifts as well. Without a heat transition, global emissions will remain flat, even if the electricity transition accelerates.
Suncom Energy demonstrates that this shift is already possible. Factories in Europe are operating today with fossil-free high temperature industrial heat. The technology is proven, scalable, and economically attractive.
Industrial heat is on the verge of following the same adoption curve as solar power ten years ago. The question is not whether this transition will happen, but how fast. And which companies will benefit first.
Switch to Heat as a Service
With Suncom’s HaaS model you get reliable, renewable heat without upfront investments or fossil fuel risks. A predictable monthly fee, full service, and measurable CO₂ reduction.
Interested? Get in touch with Nicolas to explore how HaaS can work for your Spanish business.




