A Little Analysis of RHI Costs

One of the significant publications that has been analysed, since the RHI issues have come to light, is the NIAO report.  One of the outputs of this report is a comparison of incentive payments from NI and GB RHI schemes for boilers that are operating under the following scenarios: Based on a 99kw biomass boiler running for 12 hours a day, 5 days a week and achieving 93% efficiency. Based on 99kw biomass boiler running 24 hours/day, 7 days/week achieving …

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The Problem of Spotting an RHI Application Peak

Over the last couple of weeks, there have been many comments from officials and political representatives about the RHI spike in the 10 weeks from early September 2015 to November 2015.  Continually quoted is that 984 applications out of 1,946 came in during this three month period and that this spike was unprecedented and impossible to predict!  Was it really? The GB RHI has tiering and degression. This means there has been continuous review and adjustment to the rates paid …

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A reliable guide to the RHI issue (without the Hot Air)

Northern Ireland RHI has developed two clear issues, one political including allegations of fraud, ulterior motives, bullying and harassment, the second is the failure in the policy to deliver what was supposed to be an efficient and sustainable increase in the deployment of renewable heat.  As an engineer and an energy researcher with a bias towards biomass over the last ten years, it’s the latter issue that interests me. Why have an RHI? The Renewable Energy Directive set a binding …

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