Maryland Renewable Electricity Mandate Status

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maryland renewable electricity mandateRenewable Mandate Status: Not on Track

  • 2009 Qualified Renewable Generation: 4.19%[i]
  • 2009 Renewable Mandate: 4.51%
  • 2022 Renewable Mandate: 20%

Eligible Resources: Two tiered system:

  • Tier 1: Solar, wind, qualifying biomass), methane from the anaerobic decomposition of organic materials in a landfill or a waste water treatment plant, geothermal, wave/tidal, fuel cells powered by methane or biomass, poultry-litter incineration facilities, and small hydroelectric plants (systems less than 30 megawatts in capacity).[ii]
  • Tier 2: Hydroelectric other than pump-storage generation and waste-to-energy facilities.[iii]

Compliance schedule[iv]:


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Renewable portfolio history: RPS enacted in May 2004. S.B. 595 in April 2007 required 2% of energy to come from solar (in addition to the 7.5% requirement of Tier I materials). H.B. 375 in April 2008 more than doubled Tier I requirement and accelerated compliance schedule. S.B. 277 in May 2010 accelerated solar compliance schedule[v].

Credit Trading: Yes

Noncompliance penalty: Maryland law creates an alternative compliance fee schedule of 2.0¢/kWh for non-solar Tier 1 shortfalls (increasing to 4.0¢/kWh in 2011; 1.5¢/kWh for Tier 2 shortfalls; 40¢/kWh in 2009 through 2014, 35¢/kWh in 2015 and 2016, 20¢/kWh in 2017 and 2018 and continuing to decline by 5¢ bi-annually until it reaches 5¢/kWh in 2023. [vi]

Electricity Price Ranking: 11th Highest[vii]

  • 12.78 cents/KWh in Maryland
  • 7.67 cents/KWh in non-mandated states

[i] Maryland Public Service Commission RPS Report to the Legislature (Feb. 2010). 4.53% of Maryland electricity considered renewable (4.19% if not including state exemptions).

[ii] Maryland PUC C. §7-701 (l) (May 26, 2004),

[iii] Maryland PUC C. §7-701 (m) (May 26, 2004),

[iv] Maryland PUC C. §7-703 (b) (May 26, 2004),

[v] Database of state Incentives for Renewables and Efficiency, Maryland,

[vi] Maryland S.B. 277.

[vii] EIA, Electric Power Monthly, Table 5.6.B., Average Retail Price of Electricity, June 2010, Released Sept. 15, 2010,

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