Renewable energy market trends
Renewable energy, which includes technologies such as solar photovoltaic (PV), wind and geothermal power, is still an emerging industry. In 2017, almost 20% of global energy consumption was renewable; this is expected to increase to 25% by 2035 and 34% by 2050. Government subsidies, which have fed the boom, continue; Europe and the US, historically the strongest markets, were overtaken by China in 2017 as it accounted for roughly 45% of all global investment in an industry worth around $1.47trn a year and is anticipated to expand to $2.15trn by 2025.
The growth of renewable energy is driven mainly by two resources – sun and wind. Other forms play a role in specific regions, but tend to be more complex, less standardized, offer lower economies of scale and require larger investments to harness. Electricity from solar and wind should account for almost 50% of worldwide production by 2050 – the “50-by-50” model – while coal is predicted to shrink to just 12% compared with 37% today due to the possibility that coal may be banned or heavily taxed in future, as well as the fact that renewables are cheaper, cleaner and more sustainable long-term.
Despite considerable promise, however, long-term solar and wind growth will depend on the evolution of storage and distribution technology. Energy storage, most often with lithium-ion (Li-Ion) batteries, doubled in capacity from 2017 to 2018, exceeding 3 gigawatts (GW). While significant, it’s not nearly enough for future needs, and production will take a while to ramp-up.
Alternatives such as Germany’s “sector coupling” model – whereby electricity is used for heating, transportation and industrial production – effectively bypasses storage. It is considered a long-term solution towards achieving a carbon-neutral society by 2050 without the hindrance of storage issues.
Clearly, the future is bright for renewable energy, particularly solar and wind. But with growth comes a proportional increase in risk and a need for solutions.
Risks: Bigger blades, taller towers, stolen solar cells and other perils
As renewable energy technologies, distribution methods and business models evolve, risks keep growing. For example, prototypical or unproven equipment such as specialized blades and gearboxes and new maintenance concepts require constant technical evaluation and more underwriting expertise – for example, in order to benchmark different turbine types. Also, new financing and ownership structures and cost-saving measures impact operational efficiency and may result in challenges to long-term loss performance. If these aren’t perilous enough, climate change associated with more intense windstorms, hailstorms and flood events all make renewable energy a risky business for insurers and investors alike.
Loss trends vary widely by industry sub-segment. For wind, causes of losses are different between onshore to offshore wind farms. With onshore risks, turbines can suffer from gearbox failures which sometimes are associated with costly serial losses and fires which recently have caused insurance claims in the Euro millions, forcing insurers to review their portfolios. Another source of concern are natural perils such as lightning strikes which can cause blade delamination and windstorms which have resulted in turbine collapses. On top of this comes the constant evolution of technology risk. Larger rotor diameters and tower heights can result in higher dynamic loads and complex vibrations which increase rotor blade stress and impact the drive train. Along with aging equipment, pressure on maintenance budgets and reduced subsidies, these exposures may affect loss patterns and long-term profitability.
With offshore wind projects, sub-sea cables cause about 70-80% of losses in terms of overall claims amount incurred, according to Allianz. From losses of entire cables during transport to bending of cables during installation as well as damage caused by anchors and vessels, sub-sea cable losses have driven multi million Euro claims in offshore wind. While technology risk is a driver in offshore wind, losses tend to be aggravated by complicated logistics, such as vessel availability, and the need to wait on fair weather conditions to venture out to make repairs. According to Allianz, the cost ratio between on- and offshore claims can reach 1:10.
Solar photovoltaic (PV) panels are subject to a wide range of natural hazards such as windstorm, flood, hail damage, wildfires and snow load, but are also susceptible to theft, as they are worth from $100 to well over $1,500 each. Other sources of large losses include transformer fires which can result in business interruption (BI) and frost heave which can damage racking and modules.
Finally, there are storage and distribution risks like undersea interconnectors which bear the risks of sub-sea cables and battery storage systems (BSS) exposed to thermal runaway for instance when Li-ion cells overheat and catch fire.
Insurance trends and challenges
As a growth market, the renewable energy insurance sector has attracted significant capital, leading to a soft market and many challenges for insurers. Premium has developed in line with installed capacity in the industry which has grown at an annual rate of around 8% since 2010. However, recent loss trends in many segments of the renewable energy industry have raised concerns over deductible and rate adequacy. From large hurricane losses to PV plants in Puerto Rico during Hurricane Maria in 2017 to fires devastating onshore wind turbines and repeated theft claims, the renewable energy industry suffers from frequency as well as severity events. Apart from this, challenges include a mix of risk engineering, price modeling, digital distribution and comprehensive product innovations, above and beyond traditional insurance solutions.
Risk consulting and engineering are challenged by rapidly evolving technologies requiring close monitoring of different elements like new wind turbines being developed and upgraded in ever shorter cycles. Keeping up with international engineering standards as well as certifications for equipment (e.g. type certification) and projects is also challenging. Predictive maintenance and data analytics will drive innovative concepts for the evolving risks, eventually opening up opportunities for tailored insurance solutions.
Digital distribution continues to be influenced by the smaller size but higher numbers of risks. While utility-scale PV and onshore wind plants can reach installed capacity in the gigawatt range, many installations are on the smaller end which requires more efficient handling. PV and onshore wind continue to be standardized (e.g. through broker facilities and digital trading platforms), larger, more complex segments, like offshore wind, geothermal or concentrated solar power require thorough, case-by-case underwriting.
Renewable energy requires a comprehensive insurance product offering due to complex financing and ownership structures. Traditional products often are bundled across project phases and lines of business, while non-traditional products, such as protecting against a lack of wind or sun, aren’t fully exploited by customers yet, requiring further product integration. If implemented before financial closing, these can reduce financing costs and free-up capital. Other products cover upfront decommissioning costs for assets and lower capital requirements at the start of a project.
Traditional insurance solutions cover renewable energy “all-risks” across multiple products and lines of business, as well as across project phases – planning liability for architects and engineers during the development phase; cargo all-risks and delay in start-up (DSU) during the transport phase; erection all-risk, advance loss of profit and project liability products during the construction phase; and operational all-risk, BI and public- and product-liability covers, as well as environmental liability, during the operational phase.
Recently, there has been an uptake in multiline demand (e.g. marine, liability and engineering) and the tendency to pool them into one policy, as well as an increased interest for alternative risk transfer solutions such as so-called “proxy revenue swaps”. These are financial derivative contracts offered to wind farm developers and other renewable projects guaranteeing revenue to fall within a certain range regardless of meteorological factors.
Insurance will continue to evolve with the renewables industry as we move forward to a greener, more sustainable world. As Global Senior Underwriter – Renewable Energy, in the Chief Underwriting Office Engineering, Carl Angelo Dill manages the global Green Energy initiative for AGCS. Working in London and Munich, he has been with AGCS for over 6 years. As an underwriter, he supports major international clients in the renewable energy space.
Renewable energy business risks: Expert commentary*
The Allianz Risk Barometer 2019 annual survey of risk managers, brokers, insurance professionals and Allianz experts identified the top five business risks for the Renewables Energy sector. Global Senior Underwriter – Renewable Energy at AGCS, Carl Angelo Dill, comments on the findings.
- BUSINESS INTERRUPTION: “Given the complex and often leveraged financing structures, loss of revenues resulting from business interruption will remain a key risk to the industry.”
- NATURAL CATASTROPHES: “There is overwhelming scientific evidence that global warming exists and already leads to more frequent and severe natural catastrophes. Hence, the risk of windstorms and floods is constantly increasing.”
- CHANGES IN LEGISLATION AND REGULATION: “Regulatory risk is key for the renewable energy industry as many business models are still dependent on feed-in tariffs and other forms of subsidies. Changes in regulation can disrupt business models. On the other hand it is worth mentioning that given the drop in levelized cost of energy (LCOE – in which the cost of the power produced by a source of energy over the course of its warranted lifetime is measured against that of other sources) more and more projects are competitive without any form of subsidies which is balancing regulatory risk.”
- CYBER INCIDENTS: “The power industry is part of vital public infrastructure and thus a potential target for cyber-attacks. Hacking attacks on power grids (e.g. in Ukraine) have been widely reported and the imminent risk of power blackouts is a major threat. The evolution of remote control and monitoring systems in the renewable energy industry is likely to open new paths for attackers. Therefore the risk of cyber-attacks is likely to increase over time.”
- NEW TECHNOLOGIES: “The increasing use of electronic data and algorithms (e.g. for predictive maintenance) poses a new challenge and is likely to aggravate the risk of cyber errors. Apart from this there are a variety of technological risks that can result from the use of new materials and manufacturing methods (e.g. around solar panels which are produced with the help of 3D printing).”
Allianz Global Corporate & Specialty South Africa Ltd
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