From Hourly to Quarter-Hourly: Effects of Metering Intervals on Self-Consumption Ratios and Economic Viability of Solar Photovoltaic Systems in Finnish Residential Buildings. - Aki Kortetmäki; Juha Koskela; Juho Ylipaino; Kari Kallioharju; Pertti Järventausta (ISGT EUROPE, 2024)