References
- Aguilar, F. J. (1967). Scanning the Business Environment. Macmillan, New York.
- ALTUM. (2023a). ALTUM: What we are. https://www.altum.lv/en/about-altum/what-we-are/
- ALTUM. (2023b). Apartment owners’ agreement on participation in the programme. https://www.altum.lv/pakalpojumi/iedzivotajiem/daudzdzivoklu-maju-energoefektivitate-2022-2026/biezak-uzdotie-jautajumi/1-solis-dzivoklu-ipasnieku-vienosanas-par-dalibu-programma/
- ALTUM. (2023c). Energy Efficiency of Apartment Buildings 2022-2026. https://www.altum.lv/pakalpojumi/iedzivotajiem/daudzdzivoklu-maju-energoefektivitate-2022-2026/
- Bertoldi, P., Boza-Kiss, B., Della Valle, N., & Economidou, M. (2021). The role of one-stop shops in energy renovation - a comparative analysis of OSSs cases in Europe. Energy and Buildings, 250, 111273. https://doi.org/10.1016/j.enbuild.2021.111273
- Bertoldi, P., Economidou, M., Palermo, V., Boza‐Kiss, B., & Todeschi, V. (2020). How to finance energy renovation of residential buildings: Review of current and emerging financing instruments in the EU. WIREs Energy and Environment, 10(1). https://doi.org/10.1002/wene.384
- Bitoun, R. E., David, G., & Devillers, R. (2023). Strategic use of ecosystem services and co-benefits for Sustainable Development Goals. Sustainable Development, 31(3), 1296–1310. https://doi.org/10.1002/sd.2448
- Charalambides, A. G., Maxoulis, C. N., Kyriacou, O., Blakeley, E., & Frances, L. S. (2018). The impact of Energy Performance Certificates on building deep energy renovation targets. International Journal of Sustainable Energy, 38(1), 1–12. https://doi.org/10.1080/14786451.2018.1448399
- Cimbale, A., Amolina, I., Geipele, I., & Zeltins, N. (2023). Analysis and Implementation of Energy Efficiency Measures in Multi-Apartment Buildings in Latvia. Latvian Journal of Physics and Technical Sciences, 60(5), 56–72. https://doi.org/10.2478/lpts-2023-0031
- Dalirazar, S., & Sabzi, Z. (2020). Strategic analysis of barriers and solutions to development of sustainable buildings using PESTLE technique. International Journal of Construction Management, 23(1), 167–181. https://doi.org/10.1080/15623599.2020.1854931
- Economidou, M., Della Valle, N., Melica, G., & Bertoldi, P. (2023). The role of European municipalities and regions in financing energy upgrades in buildings. Environmental Economics and Policy Studies. https://doi.org/10.1007/s10018-023-00363-3
- Estonian Tax and Customs Board. (2023). Tax rates. https://www.emta.ee/en/business-client/taxes-and-payment/income-and-social-taxes/tax-rates
- European Commission. (2019a). 2019 European Semester: Country Reports. Latvia. https://commission.europa.eu/publications/2019-european-semester-country-reports_en
- European Commission. (2019b). The European Green Deal. https://commission.europa.eu/strategy-and-policy/priorities-2019-2024/european-green-deal_en
- European Commission. (2020a). A Renovation Wave for Europe – greening our buildings, creating jobs, improving lives. https://eur-lex.europa.eu/legalcontent/EN/TXT/?qid=1603122220757&uri=CELEX:52020DC0662
- European Commission. (2020b). Member State Report: Latvia. https://energypoverty.ec.europa.eu/system/files/2021-10/epov_member_state_report_-_latvia.pdf
- Eurostat. (2023). Inability to keep home adequately warm – EU-SILC survey. https://ec.europa.eu/eurostat/databrowser/view/ILC_MDES01/default/table?lang=en.
- Geipele. S., & Kocanova R. (2019). Real estate and economic development: synergies between science and practice. In: Pukite I., The role of energy efficiency in sustainable development: Latvian experience. (pp. 207–223). RTU Press.
- Halleck Vega, S., van Leeuwen, E., & van Twillert, N. (2022). Uptake of residential energy efficiency measures and renewable energy: Do spatial factors matter? Energy Policy, 160, 112659. https://doi.org/10.1016/j.enpol.2021.112659
- Hess, D. B., & Tammaru, T. (2019). Modernist housing estates in the Baltic Countries: formation, current challenges and future prospects. In The urban book series (pp. 3–27). https://doi.org/10.1007/978-3-030-23392-1_1
- Kertsmik, K. A., Kuusk, K., Lylykangas, K., & Kalamees, T. (2023). Evaluation of renovation strategies: cost-optimal, CO₂e optimal, or total energy optimal? Energy and Buildings, 287, 112995. https://doi.org/10.1016/j.enbuild.2023.112995
- Kivimaa, P., & Martiskainen, M. (2017). Innovation, low energy buildings and intermediaries in Europe: systematic case study review. Energy Efficiency, 11(1), 31–51. https://doi.org/10.1007/s12053-017-9547-y
- KredEx. (2023a). Apartment building renovation loan. https://www.kredex.ee/en/services/ku-jakov/Apartment-building-renovation-loan
- KredEx. (2023b). Reconstruction grant 2022-2027. https://www.kredex.ee/en/kodudkorda
- Latvijas Vestnesis. (2022). On the procedure for granting real estate tax relief in Riga. https://likumi.lv/ta/id/329190-par-nekustama-ipasuma-nodokla-atvieglojumu-pieskirsanaskartibu-riga
- Li, Y., Kubicki, S., Guerriero, A., & Rezgui, Y. (2019). Review of building energy performance certification schemes towards future improvement. Renewable and Sustainable Energy Reviews, 113, 109244. https://doi.org/10.1016/j.rser.2019.109244
- Luce, I., Amolina, I., & Neibergs, M. (2021). Renovation of multi-apartment residential buildings in Latvia. In Proceedings of the 10thInternational Scientific Conference Rural Development 2021, 378–385. https://doi.org/10.15544/rd.2021.065
- Lund, B., & Ma, J. (2021). A review of cluster analysis techniques and their uses in library and information science research: k-means and k-medoids clustering. Performance Measurement and Metrics, 22(3), 161–173. https://doi.org/10.1108/pmm-05-2021-0026
- Maduta, C., D’Agostino, D., Tsemekidi-Tzeiranaki, S., Castellazzi, L., Melica, G., & Bertoldi, P. (2023). Towards climate neutrality within the European Union: Assessment of the Energy Performance of Buildings Directive implementation in Member States. Energy and Buildings, 301, 113716. https://doi.org/10.1016/j.enbuild.2023.113716
- Mikulic, D., Slijepcevic, S., & Buturac, G. (2020). Energy renovation of multi-apartment buildings: Contributions to economy and climate changes. Energy and Buildings, 224, 110247. https://doi.org/10.1016/j.enbuild.2020.110247
- Ministry of Economic Affairs and Communications of the Republic of Estonia. (2020). Long-term strategy for the building renovation. Estonia. https://energy.ec.europa.eu/topics/energyefficiency/energy-efficient-buildings/long-term-renovation-strategies_en
- Ministry of Economics of the Republic of Latvia. (2020). Long-term strategy for the renovation of buildings. Latvia. https://energy.ec.europa.eu/topics/energy-efficiency/energy-efficientbuildings/long-term-renovation-strategies_en
- Mulder, P., Dalla Longa, F., & Straver, K. (2023). Energy poverty in the Netherlands at the national and local level: A multi-dimensional spatial analysis. Energy Research & Social Science, 96, 102892. https://doi.org/10.1016/j.erss.2022.102892
- National Heat Fund. (2023). Energy savings loan. https://www.warmtefonds.nl/particulieren
- National Statistical System of Latvia. (2022). Average monthly and median wages and salaries. https://data.stat.gov.lv/pxweb/en/OSP_PUB/START__EMP__DS__DSV/DSV010/
- Netherlands Enterprise Agency. (2020). Long-Term Renovation Strategy: En Route to a low-CO2 Built Environment. Netherlands. https://energy.ec.europa.eu/topics/energy-efficiency/energy-efficientbuildings/long-term-renovation-strategies_en
- Netherlands Enterprise Agency. (2023). SVVE: subsidy for sustainability measures. https://www.rvo.nl/subsidies-financiering/svve/verduurzamingsmaatregelen#berekening-van-uwsubsidie
- OECD. (2020). Policy Actions for Affordable Housing in Latvia. https://issuu.com/oecd.publishing/docs/latvia_housing_report_web-1
- Pan, W., Chen, L., & Zhan, W. (2019). PESTEL Analysis of Construction Productivity Enhancement Strategies: A Case Study of Three Economies. Journal of Management in Engineering, 35(1). https://doi.org/10.1061/(asce)me.1943-5479.0000662
- Pikas, E., Kurnitski, J., Liias, R., & Thalfeldt, M. (2015). Quantification of economic benefits of renovation of apartment buildings as a basis for cost-optimal 2030 energy efficiency strategies. Energy and Buildings, 86, 151–160. https://doi.org/10.1016/j.enbuild.2014.10.004
- Pohoryles, D., Maduta, C., Bournas, D., & Kouris, L. (2020). Energy performance of existing residential buildings in Europe: A novel approach combining energy with seismic retrofitting. Energy and Buildings, 223, 110024. https://doi.org/10.1016/j.enbuild.2020.110024
- Pradana, C., Kusumawardani, S. S., & Permanasari, A. E. (2020). Comparison Clustering Performance Based on Moodle Log Mining. IOP Conference Series: Materials Science and Engineering, 722(1), 012012. https://doi.org/10.1088/1757-899x/722/1/012012
- Sakovskis, A. (2018). Implementation Of Energy Efficiency Projects in Latvia’s Housing Stock and Its Influence on The Construction Industry. Society. Integration. Education. Proceedings of the International Scientific Conference, 6, 449–458. https://doi.org/10.17770/sie2018vol1.3376
- Sandberg, N. H., Sartori, I., Heidrich, O., Dawson, R., Dascalaki, E. G., Dimitriou, S., Vimmr, T., Filippidou, F., Stegnar, G., Zavrl, M. ..., & Brattebø, H. (2016). Dynamic building stock modelling: Application to 11 European countries to support the energy efficiency and retrofit ambitions of the EU. Energy and Buildings, 132, 26–38. https://doi.org/10.1016/j.enbuild.2016.05.100
- Satre-Meloy, A., Diakonova, M., & Grünewald, P. (2020). Cluster analysis and prediction of residential peak demand profiles using occupant activity data. Applied Energy, 260, 114246. https://doi.org/10.1016/j.apenergy.2019.114246
- Saulajs M. (2023). Building renovation: will we be able to meet the mandatory requirements by 2030. https://www.financelatvia.eu/news/eku-renovacija-vai-spesim-izpildit-obligatasprasibas-lidz-2030-gadam/
- Statistics Estonia. (2023). Average monthly gross wages and salaries. https://www.stat.ee/en/findstatistics/statistics-theme/work-life/wages-and-salaries-and-labour-costs/average-monthly-grosswages-and-salaries
- Streimikiene, D., & Balezentis, T. (2019). Innovative Policy Schemes to Promote Renovation of Multi- Flat Residential Buildings and Address the Problems of Energy Poverty of Aging Societies in Former Socialist Countries. Sustainability, 11(7), 2015. https://doi.org/10.3390/su11072015
- Swedbank. (2023). Home Energy Efficiency Loan. https://www.swedbank.lv/private/credit/loans/homeEnergyEfficiencyLoan
- The European Parliament and the Council. (2023). Directive 2012/27/EU of the European Parliament and of the Council of 25 October 2012 on energy efficiency, amending Directives 2009/125/EC and 2010/30/EU and repealing Directives 2004/8/EC and 2006/32/EC. https://eurlex.europa.eu/eli/dir/2012/27/oj#document1
- Tryon, R. C. (1939). Cluster analysis: correlation profile and orthometric (factor) analysis for the isolation of unities in mind and personality. Edwards Brother, Inc.
- Van Mechelen, I., Boulesteix, A., Dangl, R., Dean, N., Hennig, C., Leisch, F., Steinley, D., & Warrens, M. J. (2023). A white paper on good research practices in benchmarking: The case of cluster analysis. WIREs Data Mining and Knowledge Discovery, 13(6). https://doi.org/10.1002/widm.1511
- Vasquez, F., Lovik, A. N., Sandberg, N. H., & Muller, D. B. (2016). Dynamic type-cohort-time approach for the analysis of energy reductions strategies in the building stock. Energy and Buildings, 111, 37–55. https://doi.org/10.1016/j.enbuild.2015.11.018