https://iiva.fi/en/blog/ Articles on the Energy Efficiency Act, energy audits, energy management and savings measures – demand charges, demand response and battery storage. en https://iiva.fi/en/blog/what-if-the-audit-is-not-done/ https://iiva.fi/en/blog/what-if-the-audit-is-not-done/ The Finnish Energy Authority supervises the audit obligation and can order a company to meet it under threat of a conditional fine. What the law says and how to fix the situation. Thu, 17 Sep 2026 00:00:00 GMT Legislation https://iiva.fi/en/blog/battery-storage-in-a-greenhouse/ https://iiva.fi/en/blog/battery-storage-in-a-greenhouse/ Battery storage in a greenhouse earns from three sources: a lower demand charge, the reserve markets and own power shifted to lighting hours. Wed, 09 Sep 2026 00:00:00 GMT Savings measures https://iiva.fi/en/blog/demand-response-and-reserve-markets/ https://iiva.fi/en/blog/demand-response-and-reserve-markets/ On Fingrid's reserve markets a company is paid for keeping its loads or battery storage on standby. What FCR, aFRR and mFRR mean and who flexibility suits. Tue, 25 Aug 2026 00:00:00 GMT Savings measures https://iiva.fi/en/blog/demand-charge-optimisation/ https://iiva.fi/en/blog/demand-charge-optimisation/ The demand charge is set by the month's highest 15-minute power, not by consumption. How to find peaks in the data and shave them without investment. Thu, 25 Jun 2026 00:00:00 GMT Savings measures https://iiva.fi/en/blog/office-building-e-value/ https://iiva.fi/en/blog/office-building-e-value/ The office building E-value is a calculated figure. The class limits from A to G, a worked example from 142 to 118 and what actually moves the number. Fri, 22 May 2026 00:00:00 GMT Energy certificate https://iiva.fi/en/blog/iso-50001-or-etj-plus/ https://iiva.fi/en/blog/iso-50001-or-etj-plus/ A company consuming over 23,600 MWh a year must have a certified energy management system by 11 October 2027. How ISO 50001 and ETJ+ differ. Mon, 27 Apr 2026 00:00:00 GMT Energy management https://iiva.fi/en/blog/transport-company-energy-audit-obligation/ https://iiva.fi/en/blog/transport-company-energy-audit-obligation/ Seven trucks' diesel converted into megawatt-hours, the three-year average and the comparison with the 2,700 MWh threshold, worked through step by step. Thu, 09 Apr 2026 00:00:00 GMT Energy audit