Articles & Signals
Articles on K-RE100, KEPCO tariffs and CBAM
Explainers written for suppliers to Korean manufacturers, plus buyer and regulator announcements. 6 article(s) in total.
Rooftop Solar on a Korean Factory: The Permits, in Order
Self-consumption solar doesn't require a power generation business license. Permitting for rooftop solar on a factory proceeds in this order: construction plan filing, pre-use inspection, KEPCO grid interconnection, and development permit. Based on the original statutory text, this piece covers the procedures required at each capacity tier, surplus power rules, and cost items that are easy to overlook.
Rooftop Solar or Direct PPA: Which Pays Back Faster for a Korean Plant?
Factory rooftop self-generation and a direct PPA are both recognized as 100% RE100 solutions, and the choice comes down to three factors: site, capital, and how long the business will run. Using a 5,000MWh supplier example, this piece compares 20-year ROI, when combining self-generation with a PPA works best, and includes a 5-minute self-check.
K-RE100's Five Compliance Routes Compared: Which Mix Fits Your Plant
K-RE100 has five implementation options: green premium, REC purchase, third-party PPA, equity investment, and self-generation. This piece compares each option by cost, timeline, risk, and level of global recognition, and covers recommended combinations by company size and situation. RE100 isn't about picking one option — it's about designing a portfolio.
Scope 1, 2 and 3 in Five Minutes, Explained with a Pizza
Scope 1 is direct emissions, Scope 2 is indirect emissions from purchased electricity, and Scope 3 is emissions across the whole supply chain. Client companies demand data because their Scope 3 is structurally their suppliers' Scope 1 + 2. This piece covers the 15 categories and what small and mid-sized manufacturers should do first.
Work Out Your Factory's Scope 1-2 Emissions in Excel
With just 12 months of electricity bills and fuel usage records, a factory staff member can rough-estimate Scope 1 and 2 emissions in Excel. This piece covers the formula of multiplying usage by an emission factor, emission factors by fuel and by electricity, the step-by-step procedure, how to interpret the results, and five things that are easy to miss.
The Higher Korean Tariffs Go, the Better PPAs Look: The 2026 Reform and the RE100 Maths
As the industrial rate reform pushes up the evening peak unit price, PPA's long-term fixed price has stayed flat. This piece covers why the assumption that "PPA is expensive" needs re-checking, how to calculate competitiveness using avoided cost and RE100 compliance value instead of the average price, and which companies stand to benefit.