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BABLE Solutions are expert-curated blueprints for efficiently implementable Smart City projects. Each Smart City Solution contains detailed and relevant information, while also linking to relevant Use Cases and Innovative Products.
Solution
Resilience has become a buzzword within urban planning spheres as a strategic approach in addressing the complexities of challenges confronting the natural, economic, social, physical, and Institutional dimensions of cities. Urban resilience refers to the ability of an urban system and all its constituents across temporal and spatial scales to maintain or rapidly return to desired functions in the face of a disturbance, to adapt to change and to quickly transform systems that limit current or future adaptive capacity ( Meerow, 2016 ). Resilience requires a cyclical implementation of preparation, response, recovery, and mitigation phases ( Mackinnon, 2015 ). This cyclical approach should ideally result in a city with resiliency characteristics. The characteristics of a resilient system, as suggested by Arup (2014), are illustrated and described in the figure below. Qualities of Resilient Systems ( Arup, 2014 ) Flexible: the ability of the system to change, evolve and adapt to changing circumstances through the introduction of new knowledge or adoption of alternative technologies. Redundant: spare capacity intentionally created within systems to accommodate disruptions e.g., increased demand or extreme pressures. If one component of the system fails, other pathways can be used to meet essential functional needs. Robust: the ability to withstand the impacts of extreme conditions and to avoid a catastrophic collapse of the city from the failure of a single element through the anticipation of system failures and provisions to maximize predictability and safety. Resourceful: the ability to rapidly find ways to meet needs during a shock or under stress e.g., by investing in the capacity to anticipate future conditions, set priorities, and mobilise and coordinate the required resources (human, financial, and physical). Reflective: the willingness to accept unpredictable outcomes and continuously modify standards to appropriately address contemporary shocks and stresses. Inclusive: the willingness to consult and engage members of the community, particularly those who are vulnerable. Integrated: the commitment to being mutually supportive of a common outcome through ongoing feedback systems and collaboration across different scales of operation throughout the city.
Solution
Citizen engagement is defined as the two-way interaction or communication between citizens and the government. This process is continuing to play an instrumental role in the way human settlements are being governed. Decision-making processes are enhanced by engaging those most affected and intimately connected with societal challenges. As much as traditional means such as public forums, town hall meetings, etc. still have relevance, more innovative and convenient forms of citizen engagement are advancing the ways in which citizens can partake in governance procedures. Despite the variations in the form in which citizen engagement may take place, it should ideally be characterized by a clear purpose and goal, clear structure and process, documented influence on decision-making processes, and present opportunities for inclusive and continuous representation. The major components of citizen engagement are illustrated in the figure below. Main Design Components of Citizen Engagement ( Daher E., 2021 )
Solution
Local energy systems are effectively controlled by local shareholders or members, generally value rather than profit driven, involved in distributed generation and in performing activities of a distribution system operator, supplier or aggregator at local level, including across borders. The term encompasses both the organisational and technological elements required. The implementation of a local energy system shifts the energy production from a centralised system to a decentralised system. In a local energy system, the energy is produced close to where it will be used, in contrast to a centralised energy production system or a national grid where the production is centralised. The local generation reduces the transmission losses and is able to adapt to the local needs. The system includes the generation, the storage and the consumption of energy. To optimise the energy consumption, a visualization of the consumption or controlled energy consumption is possible. Local energy systems can also promote civic engagement, allowing people to actively participate in energy related decision-making. And as renewable energy sources, such as wind and solar, are usually more decentralised than traditional power sources, decentralised local energy systems offer greater opportunity to increase usage of low carbon energy sources. Problems to be solved Transmission losses Reliance on fossil fuels Energy management Carbon Emissions Reliance on distant sources Local energy distribution Energy price competition
Solution
For over a decade, European municipalities have been establishing initiatives, strategies and action plans to increase the energy efficiency of private and communal infrastructure. Municipalities of EU member states, enforced by the EU Directive on energy efficiency, must work collaboratively to ensure that by 2020 and 2030, an energy efficiency of 20% and of 32.5% are met, respectively. Initiatives, such as the Covenant of Mayors, have been launched to foster commitment towards energy and climate targets. Signatories voluntarily agreed to increase energy efficiency and the use of renewable energy sources. To achieve this, participating municipalities drafted and submitted a Sustainability Energy Action Plan (SEAP), defining their energy saving and climate measures. More than 6000 municipalities have developed and approved a SEAP since 2008; however, when compared to the total number of municipalities across Europe, there is still a long way to go. It has been identified that a municipality's building stock represents the single largest potential for energy savings. It is also expected that more than two-thirds of the world population will live in urban areas by 2050. Therefore, this solution aims to ease the conception and implementation of municipal energy saving measures. Problems to be solved Fossil fuel consumption Carbon emissions Detrimental urban air quality Wasted energy Unreliable energy supply Low energy monitoring
Solution
District heating and cooling systems distribute thermal energy in the form of steam, hot water, or chilled liquids, from central or decentralised sources of production through a network to multiple buildings or sites, for the use of space or process heating or cooling. For a lower environmental impact, a combination of recycled and renewable heat is the focus for district heating systems. Following the Paris Agreement in 2015 and the EU target to cut emissions by at least 40% below 1990 levels by 2030, there has been an increased effort from member states to foster district heating and cooling using alternative fuel sources and carbon-neutral heat producing technologies. This transition is challenging as district heating supplies only 12% of the EU´s heat supply, with most of the energy produced from CHP plants powered by natural gas and solid fuels such as lignite. Problems to be solved Carbon emissions Low-efficient heat supply Fossil fuel dependency GHG emissions
Solution
According to the Energy Performance of Buildings Directive (EPBD), buildings are responsible for approximately 40% of energy consumption and 36% of CO2 emissions in the EU. At present, about 35% of the EU's buildings are over 50 years old and almost 75% of the building stock is energy inefficient. Buildings are therefore the single largest energy consumer in Europe and have vast potential for energy efficiency gains. Currently, only about 1% of the building stock is being renovated each year. Renovation of existing buildings can lead to significant energy savings, as it could reduce the EU’s total energy consumption by 5-6% and lower CO2 emissions by about 5%. One way to increase the energy efficiency of buildings is to implement a building energy management system (BEMS). BEMSs are centralised, computer-based systems, which provide real-time monitoring and integrated control of building services and equipment to optimise energy usage. They typically control the lighting, power, hot water, and HVAC (heating ventilation and air conditioning) systems. The system monitors the information received from various sensors in the building (smart meters, occupancy, temperature, carbon dioxide and humidity sensors, etc.) and optimises the energy consumption while maintaining safety and comfort. These systems can also be used to improve the health and security of the inhabitants by controlling and monitoring the environment, emergency responses and regular maintenance schedules. The technology can be applied to both residential and commercial buildings and at varying scales from small independent buildings to complex sites with multiple buildings. (European Commission) Problems to be solved Energy consumption Energy cost Greenhouse gas emissions Power outages
Solution
Improving energy efficiency of the building stock in a city needs strategic and long-term thinking. Complex ownership structures, market barriers, diversity of building typologies, consumer preferences and multiple stakeholders involved in the construction and retrofitting of a building makes energy efficient buildings a challenge even with the advanced technological developments. However, to realise positive energy districts and reach the ambitious climate goals set forward by cities, zero and positive energy buildings play a critical role. A variety of initiatives worldwide have proven that while a complex challenge, Energy Efficient Retrofitting of buildings is possible and has huge impact towards greener and more resilient cities. Problems to be solved Energy loss in buildings Use of inadequate materials Energy poverty Transition from fossil fuels Make technologies available Energy demand in buildings
Solution
A bike sharing system intends to provide a community with a shared fleet of bikes. Therefore, individual users do not have to own a bike, but rather everyone can use the fleet flexibly. Flexible options to use bikes at different locations can increase the attractiveness of biking – and thus the modal share of biking in a city – by providing more convenient options for commuters and recreational users. For each bike sharing system, it is necessary to ensure the accessibility of the bikes and to manage the location and operation of the bikes. European bike sharing systems mostly use a dock-based concept, where bikes can be picked-up and dropped-off at specific locations. New market entrants are also disrupting the European market with free-floating and hybrid systems. Bike sharing systems are most beneficial as part of Mobility as a Service (MaaS) systems. Through collaboration with other shared mobility companies as well as public transport, bike sharing can be conveniently fit into existing mobility platforms through integrated ticketing and pricing. Problems to be solved Congestion Air Quality Climate Change Collision Parking Space I nadequate physical activity Congestion, air quality, climate change, collisions, parking spaces and inadequate physical activity are all ills affecting the quality of life of citizens. Bike sharing reduces land consumption and pollutant emissions by enabling trips that would otherwise be taken by private cars to be taken by shared bicycle transport. Even in urban areas that already have higher levels of cycling and walking, research supports that increased active travel substitutes for motorised travel – including cycling and e-biking – can substantially reduce mobility-related lifecycle CO2 emissions ( Brand et al., 2021 ). Rented shared bikes cover up to 10,000 kilometres a year and are therefore used more frequently than most private bikes. (and associated chronic disease outcomes)
Solution
Delivery trucks for parcels are a noticeable part of urban traffic that can be reduced by implementing a drone delivery system. As the market for deliveries is significantly and steadily growing, especially due to the increasing options in online shopping, this becomes even more relevant. Likewise, the delivery market slowly transforms from a mainly B2B market to a B2C market. These developments lead to the increasing importance of the so called ‘last mile’ – the delivery from the closest transportation hub to the final destination. One opportunity to improve the last mile delivery are drones. Autonomous drones can significantly accelerate delivery times and reduce the human costs associated with the delivery.
Solution
In order to reduce fossil energy consumption, electric mobility is a key component of creating sustainable transportation. Not only is the transport sector responsible for 30% of total EU CO 2 emissions (72% of which are from road transport), but the rate of emission reductions has also slowed down. Other sectors, such as energy, agriculture, forestry, fisheries and housing, have significantly reduced their CO 2 emissions since 1990, while in the transport sector's CO 2 emissions are higher today than in 1990 due to the ever-increasing role of mobility in our lives (European Parliament, 2019). One solution to reduce transport-related CO 2 emissions is electric mobility. Due to their longer lifespan and lower operational costs, electric vehicles can be financially beneficial. Fleet solutions facilitate the diffusion of electric vehicles rapidly and successfully into the market. Additionally, facilities to charge the electric vehicles are mandatory (Proff, Fojcik 2016, p. 128). The main goal is to diffuse electric mobility for environmental reasons. The overall vehicle population can be reduced by building up electric fleets. Plus, using electric fleets provides opportunities for companies and cities to create an innovative image and to test new technologies. The limited range of electrically driven vehicles is often less of an issue for company- and city-operated vehicles, as shorter distances are primarily covered. Fleet applications offer excellent opportunities for fast and successful diffusion of electric vehicles into the market, paticularyl since e.g. around 60 % of annual new car registrations in Germany are accounted for by companies and the self-employed. After their first commercial use, the vehicles are usually transferred to the used car market after a few years. Electric fleets for companies are thus a catalyst for the wider potential market diffusion of electric vehicles.
Solution
Today in Europe, 25% of total GHG emissions are linked to transport with 8% of the total emissions produced by buses. Therefore, transport systems like Electric Bus Systems are a way to reduce the emissions and improve quality of transport and living. ( UITP, 2019 ) The Electric Bus System is a public transportation system that is operated by electric buses only. As every public transportation system, it can include ticketing, information of customers and a monitoring system. Additionally, facilities to charge the electric buses are mandatory. Due to the charging process, a management system for operation and planning of range as well as route optimisation is even more important than it is with conventional bus systems. (see also SCIS ) Problems to be solved Bad air quality High Costs Noise Lack of Comfort In comparison to conventional engines, Electric Bus Systems are free of emissions locally. Moreover, less noise is produced when driving. While the initial costs for purchasing electric buses may be higher, the overall costs of Electric Bus Systems can be lower than the one of other systems depending on the usage.
Solution
The concept of Virtual Power Plants (VPPs) overturns the more traditional idea of relying on centralised (often CO2-emitting) power plants for predictable and reliable power output. As more and more small and large independent power producers enter the scene, solar, wind, and other renewable energy sources (RES) have penetrated the electricity grid all across Europe, opening the transition to a clean and sustainable energy infrastructure. However, the integration of these Distributed Energy Resources (DERs) into the grid is posing a number of challenges related to transmission congestion and/or voltage and frequency stabilities; renewables, in particular, are creating reliability issues due to their uncertain and intermittent nature. This clean power has disrupted the energy grid and created the need for new models and solutions for their integration. A VPP aggregates many dispersed and independent DERs into a single operating agent that acts like a traditional power plant, with a similar sizable generation capacity, allowing it to participate in power system markets (both wholesale and retail) or sell services to the operator. A VPP thus represents a flexible portfolio of DERs with the aim of enabling smaller power system agents (i.e., consumers, producers, prosumers, or any mix thereof) to engage in electricity markets and provide services to the grid. Virtual Power Plant (IRENA, 2019) VPPs can help the integration of RES by providing both demand- and supply-side flexibility services to the main grid. VPPs can aggregate demand-response resources or energy storage units responding to grid requirements (demand-side flexibility), as well as incorporate fast-response units such as capacitors and batteries, along with CHP and biogas power plants to optimise power generation (supply-side flexibility). Through these two types of core services, VPPs can provide tangible benefits such as (IRENA, 2019): Supporting grid operation through various ancillary services Demand-side management and real-time load shifting based on price signals to reduce peak demand – making a business case for deferred investments in transmission and distribution grid infrastructure Balancing services and providing ramping requirements via optimisation platforms to compensate for fluctuations of any variable generation output from RES Increasing local flexibility at distribution system level, if there is a regional local market for flexibility in place Decreasing the marginal cost of power By reducing or shifting load during peak demand to avoid the use of large (fossil-fuel) power plants to meet a small amount of electricity demand at an elevated cost, or By completely replacing the peak power plant with the dispatch of the aggregated DERs and charged batteries Optimising investment in power system infrastructure By saving on the costs of new capacity additions and/or grid reinforcement with the provision of real-time operational reserve capacity from already connected DERs, while providing them with additional revenues through their participation in ancillary markets when needed. Problems to be solved Raising grid stability and reliability Increasing demand for integration of renewable sources Restricted market Increasing & changing energy demand Increasing costs & emissions from current energy supply Demand for greater grid resilience and flexibility