Publications

Dissertation

• Reliability and sustainability analyses of frugal solar photovoltaic micro-grid systems in emerging markets. Numminen, S. (2019). Aalto University publication series DOCTORAL DISSERTATIONS, 71/2019. ISBN: 978-952-60-8513-5 (electronic), 978-952-60-8512-8 (printed). Date of defense: 10 June, 2019.

Papers

• Hybridization and accumulation of space-heating systems in Finnish detached housing - Numminen, S., Silvikko de Villafranca, M. and Hyysalo, S. (2024). Energy Strategy Reviews, https://doi.org/10.1016/j.esr.2024.101435

• Energy vulnerability of detached home owners in Finland: An explorative study - Numminen, S., Kajoskoski, T., Kaltampanidis, Y. and Jalas, M. (2024). Energy and Buildings, https://doi.org/10.1016/j.enbuild.2024.114082

• Päälämmityslähteestä monilämmitykseen: suomalaisista pientaloista on tullut toisiaan täydentävien ja vuorottelevien energiajärjestelmien hybrideitä - Numminen, S., Silvikko de Villafranca, M. and Hyysalo, S. (2023). Alue ja Ympäristö, https://doi.org/10.30663/ay.125979

• Locked in flat tariffs? An analysis of electricity retailers’ dynamic price offerings and attitudes to consumer engagement in demand response - Numminen, S., Ruggiero, S. and Jalas, M. (2022). Applied Energy, https://doi.org/10.1016/j.apenergy.2022.120002

• Prime-time access for whom? Rhythms fairness and the dynamic pricing of infrastructure services - Jalas, M., Numminen, S. (2022). Local Environment, doi:10.1080/13549839.2022.2040468.

• Locked in flat tariffs? Energy retailers struggle in attracting customers to demand response through dynamic pricing - Numminen, S., Ruggiero, S., Jalas, M. (5 October 2021). International Sustainability Transitions Conference (IST) 2021, Karlsruhe, Germany.

• Multilevel Customer Segmentation for Off-Grid Solar in Developing Countries: Evidence from Solar Home Systems in Rwanda and Kenya - Kennedy, R., Numminen, S., Sutherland, J., Urpelainen, J. (2019). Energy, vol 186, number 115728, doi:10.1016/j.energy.2019.07.058.

• Evaluation of the reliability of solar micro-grids in emerging markets – Issues and solutions - Numminen, S., Lund, PD. (2019). Energy for Sustainable Development, vol 48, pages 34-42. doi:10.1016/j.esd.2018.10.006.

• Power availability and reliability of solar pico-grids in rural areas: a case study from northern India - Numminen, S., Lund, PD., Yoon, S., Urpelainen, J. (2018). Sustainable Energy Technologies and Assessments, vol 29, pages 147-154. doi:10.1016/j.seta.2018.08.005.

• An Evaluation of Dynamic Electricity Pricing for Solar Micro-Grids in Rural India - Numminen, S., Yoon, S., Urpelainen, J., Lund, P.D. (2018). Energy Strategy Reviews vol 21, pages 130-136. doi:10.1016/j.esr.2018.05.007.

• Frugal energy innovations for developing countries – a framework - Numminen, S., Lund, P.D. (2016). Global Challenges. John Wiley & Sons. doi:10.1002/gch2.1012.

• Implications of frugal innovations on sustainable development: evaluating water and energy innovations - Levänen, J., Hossain, M., Lyytinen, T., Hyvärinen, A., Numminen, S., Halme, M. (2016). Sustainability 2016, 8(1), 4; doi:10.3390/su8010004.

Presentations

• How to talk about energy saving to energy-poor? Experiences from home advisory work of a European project Assist2gether - Numminen, S. (18 May, 2021). Sustainability Science Days Conference 2021, Ses­sion 10: So­cial as­pects of the en­ergy trans­ition. Helsinki and Espoo, Finland.

• Energy for what? A look at users, uses, needs and solutions - Numminen, S. (27 Nov, 2020). Aalto Sustainability Talks, Aalto University Sustainability Hub, Espoo, Finland. Video recording will be available on Youtube.

• Blackout under a bright sunshine. Quality of solar electricity in rural areas in emerging markets - Numminen, S. (9 May, 2019). New Global session at Sustainability Science day, Aalto University Sustainability Hub and Helsinki Institute of Sustainability Science (University of Helsinki), Espoo, Finland.

• Challenges in operating solar micro-grids in rural Uttar Pradesh - Numminen, S. (16 Oct, 2018). Seminar “Promoting solar energy and solar innovations in rural areas”, International Solar Innovations Council (InSIC), Helsinki, Finland
  
  

Deliverables (ASSIST project)

I contributed to following ASSIST project deliverables in 2020:

• Vulnerable Consumers Protection Framework Paper (D7.5), May 2020

• Final report on HEA Network Activity, Saved Energy, and Increased Comfort Level (D4.7), May 2020

• HEA Training Follow-Up Report (D4.5), April 2020

• Final ASSIST Action Report (D5.5), April 2020

• ASSIST Action National Reports (D5.3), February 2020

• Kodin energiakysely 2019 – tuloksia Suomesta, May 2020. Related news bulletin: Survey: Heating costs a significant financial burden for many homeowners in Finland

• Energy poverty in Finland: Webinar report 25 March 2020, March 2020.

For archiving purposes, here also other ASSIST project deliverables. I have not authored these, credits ASSIST consortium, 2018.

• Vulnerable Consumers Market Segmentation Report (D5.1)
• Vulnerable Consumers and Fuel Poverty Report (D2.5)
• European Market Survey on Vulnerable Consumer Needs (D2.4)
• Replicable best practices. National and European measures (D2.3)
• A summary of the National and European measures addressing vulnerable consumers and energy poverty (D2.2)
• Best practice guide on financial measures (D2.1)

Teaching material (in Finnish)

• Energian perustarpeita Suomessa ja Intiassa - Numminen, S. (27. May, 2019). Opetusmateriaali (esityskalvot ja taustamateriaali) energian perustarpeista ja energian säästämisestä peruskouluille ja lukioille.