For each year specified in the table below, each provider of electricity shall obtain and retire certificates sufficient in number and class type to meet or exceed the following percentages of total megawatt-hours of electricity supplied by the provider to its end-use customers that year, except to the extent that the provider makes payments to the renewable energy fund under RSA 362-F:10, II:
| 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2025 and thereafter |
| Class I | 0.0% | 0.5% | 1% | 2% | 3% | 3.8% | 5% | 6% | 15% (*) |
| Class II | 0.0% | 0.0% | 0.04% | 0.08% |