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[Display omitted] • The Paris Agreement goal of stabilizing temperature below 1.5C calls for a reduction of global energy consumption. • Energy Efficiency policies are necessary but not sufficient to reduce energy consumption. • Energy Conservation and Energy Sufficiency Policies complement Energy Efficiency policies, together they can reduce energy demand. • The article presents some existing and new policies which address sufficiency. • There is the need for coherent policy package with different types of policy instruments addressing efficiency and sufficiency. There is a strong consent among scholars and policy makers that limiting current global energy demand and gradually reducing it towards a sustainable level of consumption is a key component of any strategies and pathways to reach the Paris Agreement climate target, and, in particular, carbon neutrality by mid-century. Given the stringency and urgency of the climate target and the current global increase of energy demand, in addition to investments in energy efficiency technologies, there is the need for a change of energy end-users behaviour and life style to obtain additional energy savings by limiting the demand for services. Traditionally, energy efficiency policies have mainly targeted and promoted energy efficient technologies (e.g., energy performance standards for vehicles, appliances and buildings, financial incentives for new technologies, etc.). In some cases, the energy savings achieved have been less than expected, due to a rebound effect, or because external factors (e.g., growth in populations or economies) have increased energy consumption. The "traditional" energy efficiency policies are still very necessary, but are not sufficient for reaching the Paris Agreement target and the rapid reduction of the energy demand. Policies focusing on energy conservation and sufficiency principles complement efficiency policies, in particular those aiming at changing end-user consumer behaviour and lifestyle by imposing some limitation to the demand for energy services. The article first reviews the concept of energy savings compared to energy efficiency and introduce the concept of energy sufficiency. Then the article explores and discusses some existing and new policy instruments that can address energy conservation and sufficiency such as: personal carbon allowances; energy/carbon taxation; progressive appliance and vehicles standards, and progressive building codes. The article's focus is mainly on individual end-users and on residential buildings. Finally, the article provides an ex-ante assessment of the policies analysed, including their limitations, and offers some policy recommendations, based on a combination of instruments. [ABSTRACT FROM AUTHOR]

Climate neutrality is one of the greatest challenges of our century, and a decarbonised energy system is a key step towards this goal. To this end, the electricity system is expected to become more interconnected, digitalised, and flexible by engaging consumers both through microgeneration and through demand side flexibility. A successful use of these flexibility tools depends widely on the evaluation of their effects, hence the definition of methods to assess and evaluate them is essential for their implementation. In order to enable a reliable assessment of the benefits from participating in demand response, it is necessary to define a reference value ("baseline") to allow for a fair comparison. Different methodologies have been investigated, developed, and adopted for estimating the customer baseline load. The article presents a structured overview of methods for the estimating the customer baseline load, based on a review of academic literature, existing standardisation efforts, and lessons from use cases. In particular, the article describes and focuses on the different baseline methods applied in some European H2020 projects, showing the results achieved in terms of measurement accuracy and costs in real test cases. The most suitable methodology choice among the several available depends on many factors. Some of them can be the function of the Demand Response (DR) service in the system, the broader regulatory framework for DR participation in wholesale markets, or the DR providers characteristics, and this list is not exclusive. The evaluation shows that the baseline methodology choice presents a trade-off among complexity, accuracy, and cost. [ABSTRACT FROM AUTHOR]

The Paris Agreement has underlined the role of cities in combating climate change. The Global Covenant of Mayors for Climate & Energy (GCoM) is the largest international initiative dedicated to promoting climate action at a city level, covering globally over 10 000 cities and almost half the population of the European Union (EU) by end of March 2020. The fifth Intergovernmental Panel on Climate Change (IPCC) report notes that there is a lack of comprehensive, consistent datasets of cities' greenhouse gas (GHG) emission inventories. In order to partly address this gap, we present a harmonised, complete and verified dataset of GHG inventories for 6200 cities in European and Southern Mediterranean countries, signatories of the GCoM initiative. To complement the reported emission data, a set of ancillary data that have a direct or indirect potential impact on cities' climate action plans were collected from other datasets, supporting further research on local climate action and monitoring the EU 27 (the 27 member states of the EU) progress on Sustainable Development Goal (SDG) 13 on climate action. The dataset (Kona et al., 2020) is archived and publicly available with the DOI 10.2905/57A615EB-CFBC-435A-A8C5-553BD40F76C9. [ABSTRACT FROM AUTHOR]

Cities representing more than one third of the EU population have already developed their mitigation action plans with the support of the Covenant of Mayors initiative. This study digs into the drivers leading European cities in setting ambitious GHG reduction targets by 2030. A total number of 246 local action plans, accepted in the Covenant of Mayors initiative, were evaluated, and ambitious municipalities (with reduction targets over 50%) were compared against those committing to regular targets (40–50%). Results show that the key factor enabling a higher climate ambition in cities is to develop local mitigation actions in line with the results of the baseline emission inventory, focusing on implementing actions in the most emitting sectors of activity. Furthermore, the study reveals the abilities of specific cities to set highly ambitious mitigation targets: to municipalise energy facilities increasing renewable energy production, and to be able of developing mitigation actions even tackling highly emitting sectors (e.g., transport) that traditionally are not under the competence of local governments. The study also shows other easy-to-reach solutions that every local authority can take into account to increase its ambition such as developing in-house action plans and conducting a deep stakeholder engagement and participatory processes from the initial stage of the action plan development. • To develop local action plans aligned with the baseline emission assessment. • To increase the share of renewables by signing agreements with energy utilities. • To develop in-house action plans and to conduct participatory process. [ABSTRACT FROM AUTHOR]

How to ensure success for climate change mitigation policies? For the past decades, local climate action has been amongst the main global priorities. The Covenant of Mayors initiative is a major example of bottom-up climate initiative gathering municipalities of all sizes towards GHG reduction under a harmonised framework. Now, after the end of the first phase of the initiative in 2020, would be the time to assess the impact and effectiveness of the planed actions, based on the results of the monitoring exercise. However, the level and quality of monitoring reported by participating municipalities was not as expected and required an initial deep analysis. This study investigates the reasons behind this low number by comparing statistically the action plans of the 1643 CoM municipalities monitoring their emissions against the 3411 municipalities not doing it. The paper describes how, despite technical and financial barriers, key factors such as the direct involvement of local staff, stakeholders in participatory processes from an early stage, accurate budget allocation, or the development of the plan and deployment of actions as soon as possible, enabling municipalities to track and monitor their progress towards their climate target. • Assessing CoM impact is challenging due to the lack of monitoring/progress reports. • The lack of monitoring is explained by technical and financial barriers. • Direct engagement of local staff and stakeholders is key for successful monitoring. • Barriers and drivers found are a valuable guidance for global climate actors. [ABSTRACT FROM AUTHOR]